ANGIOSPERMÆ (continued 6)

Red Sea Prov. (Erkowit); Nuba Mts. Prov. (J. Ghulfan); Darfur Prov. (J. Marra 8-10,000 ft.).

E. spinosus Linn.

Erect, 3-5 ft. high, white-woolly. Leaves sessile, ovate, pinnatisect, 2-8 in. long, spinose-incised; heads about 1 in. long, in clusters 3-4 in. diam.

No locality given (fide Mrs. Crowfoot).

E. sp.

Leaves not seen. Heads very large on a cone-like axis, pedicellate, pedicels covered with very long hairs.

Mongalla Prov. (Donka’s village, Sillitoe No. 202).

570Centaurea Calcitrapa Linn. Star-thistle Centaurea.

Scabrid branched herb, 1-2 ft. high. Leaves from simple to pinnatisect, lobes linear, denticulate. Capit. heterog. (outer fl. 1-ser. larger and neuter), solitary, lateral or terminal; invol., bracts glabrous or arachnoid ending in a spreading, yellowish spine, ¾ to 1¼ in. long with a few smaller lateral ones; fl. purple.

Kordofan Prov.

C. senegalensis DC. ABU SHWEIKA (N. Kordn.)—Arab.

Coarse scabrid herb, 2 ft. high. Leaves oval, ovate or lanceolate, apiculate, denticulate, semi-amplexicaul. Capit. ovoid-globose, ½-⅔ in. thick, solitary, terminal; invol. much as above; fl. purple.

Kordofan Prov.; Darfur Prov. (Melit & J. Marra).

The flower-heads are made into a poultice to reduce swellings.

C. rhizocephala O. & H.

Erect hirsute herb, 1-2 ft. high. Leaves oval-oblong, sessile, 3-5 in. long. Capit. 1-1½ in. long, 3 to 9 together in trichotomous cymes terminating short radical shoots; invol. bracts ending in 3-5 short spines; outer fl. white, inner rose-coloured.

Bahr El Ghazal Prov. (Bongo-land: Sabbi).

C. papposa Schultz Bip.

Leaves ovate-oblong, sessile, scabrid-glandular, 1½ in. long. sharply denticulate. Heads few. Bracts long-spine-tipped, pectinate at base.

Kordofan Prov. (Takari, south of Rahad).

571Carthamus tinctorius Linn. GURDUM or ASFAR, QORTOM (Egypt)—Arab.

Erect, thistle-like herb, 2-3 ft. high. Leaves ovate-oblong, sessile, 1-3 in. long, spinulose-denticulate. Capit. ab. 1 in. thick, homog., solitary or cymose; invol. bracts foliaceous and spinescent (in wild forms); fl. orange.

Khartoum, Blue Nile and Kordofan Provinces.

Cultivated for the flowers which yield an orange dye, called safflower, and for the seeds which yield a clear, yellow, esculent oil. Poultry fatten on the seeds.

C. leucocaulos Sibth.

Glabrous, white-stemmed, prickly herb, 1-1½ ft. high. Leaves pinnatifid, 1-4 in. long, lobes ovate ending in a sharp spine. Capit. terminating the end branches; inner invol. bracts lanceolate.

Red Sea Prov. (Suakin, Soturba, 22° N.L.).

572Dicoma tomentosa Cass.

Cottony erect herb, 6-24 in. high. Leaves narrow-elliptic or spathulate, ½-2½ in. long. Capit. homog., ab. 14 fl., on short axillary branches and terminal; invol. bracts lanceolate with 1 spine, arachnoid or cottony; fl. white or pale yellow.

Fung Prov. (Sheik Talha); Kordofan Prov.; White Nile Prov. (J. Arashkol).

The plant is used as a febrifuge, especially in fevers after childbirth.

D. sessiliflora Harv.

Silvery cottony rigid herb, ab. 2 ft. high. Leaves narrow-elliptic, 3½-8 in. long. Capit. homog., sessile, on short lateral branches and terminal, solitary or few together in dense cymes; invol. bracts lanceolate with a sharp, pointed tip; fl. pale-yellow.

Bahr El Ghazal Prov. (Jur-land, Abu Gurun).

573Hochstetteria Schimperi DC.

Tall, angular-branched herb. Leaves oval, with narrowly-winged petiole, ½-2 in. long, minutely crenate. Capit. homog.; pedunculate, terminal; invol. bracts spiny, lanceolate, subtended by shorter foliaceous bracts.

Red Sea Prov. (21°-22° N.L.).

D. Acaulescent herb. Capitula solitary on scapes, heterogamous; ray florets ligulate, female; disk florets bilabiate, hermaphrodite.

574Gerbera abyssinica Schultz Bip.

Cottony herb; leaves oval, sinuous denticulate, 1-4 in. long. Petiole up to 1 in. long. Scapes 1-3, up to 15 in. long, shaggy. Capit. ab. 1 in. long, ligules longer than invol.

Mongalla Prov. (Yei River); Bahr El Ghazal Prov. (Niamniam-land).

E. Herbs, usually with milky sap. Capitula homogamous; florets all ligulate, hermaphrodite, or a few barren; ligule 5-toothed. Leaves alternate or radical.

575Scolymus maculatus Linn.

Coarse spinescent herb, 1-3 ft. high. Leaves alt., oblong, sinuous-pinnatifid, decurrent, 2-3 in. long; radical leaves spathulate, spinose dentate. Capit. yellow, sessile, terminal or lateral; invol. bracts linear-lanceolate, pointed; outer ligules black-pilose.

Kordofan Prov.

576Crepis Ruepellii Schultz Bip.

Small herb, up to 8 in. high. Leaves rosulate, oblanceolate, denticulate, ¾-4 in. long. Capit. yellow, in lax open cymes; inner invol. 8, lanceolate, glandular hairy.

Darfur Prov. (J. Marra 6,500-9,000 ft.).

577Lactuca taraxacifolia Schum. & Thonn. KINTARA (Khartoum)—Arab.

Glaucescent herb, 2-6 ft. high. Leaves saw-toothed, 6 in. long by 4 in. broad; stem-leaves amplexicaul, decurrent. Capit. yellow, 20 fl., in panicled racemose cymes; inner invol. bracts 5.

Red Sea Prov.; Khartoum & Fung Provinces.

L. goræensis Schultz Bip.

Erect glaucescent herb, 1-3 ft. high. Leaves pinnatifid, often saw-toothed, up to 8 by 4 in., amplexicaul, lowest decurrent. Capit. yellow in panicled racemose cymes; inner invol. bracts 8.

Kordofan Prov.

L. Schweinfurthii O. & H.

Herb, 5 ft. high. Leaves lanceolate or lanceolate-oblong, denticulate, up to 8 in. long, semi-amplexicaul. Capit. 5-flowered, in an elongated cyme; inner invol. bracts 5.

Bahr El Ghazal Prov. (Bongo-land).

L. capensis Thunb.

Glabrous herb, ½-2 ft. Leaves linear or oblong, the lower toothed-pinnatifid or entire, 3-5 in. long, the upper entire, amplexicaul-sagittate. Capit. white, yellow or blue, 11 fl., in panicled cymes.

Mongalla Prov. (Gondokoro); Bahr El Ghazal Prov. (Niamniam-land).

L. abyssinica Fresen.

Robust glabrous herb, 3 ft. or more high. Lower leaves pinnatifid or sinuate-dentate, upper l. linear-lanceolate, amplexicaul-auricled, up to 6 in. long. Capit. violet, fl. 10-13, in elongated cymes.

Fung Prov. (Fazoghli); Darfur Prov. (J. Marra, 6,500-9,000 ft.); Bahr El Ghazal Prov. (Mittu-land & Niamniam-land).

L. virosa Linn.

Herb, 1-3 ft. high. Leaves obovate-oblong, toothed, sagittate-amplexicaul, 1-4 in. long. Capit. yellow, fl. ab. 11, in a spreading cyme.

Kordofan Prov.

L. sativa Linn. Lettuce.

Generally cultivated.

578Heterachæna massaviensis Fresen.

Branched annual, 1-2 ft. high. Leaves toothed or pinnatifid, auricled-amplexicaul, 1½-4½ in. long. Capit. blue, fl. 9-10, in panicled corymbose cymes.

Kassala Prov. (Gallabat).

579Picridium tingitanum Desf. MALOT, MALAITA (Gezira)—Arab; AMAGAK (Renk)—Dinka.

Erect annual, 1-2 ft. high. Leaves lanceolate to obovate, undivided or pinnatifid, denticulate, sessile, cordate, 1½-6 in. long. Capit. yellow, on long peduncles dilated at the top; invol. bracts broadly ovate.

Nubia; Blue Nile Prov.; Upper White Nile Prov. (Renk); Darfur Prov. (Kulme & J. Marra).

580Sonchus oleraceus Linn.

Coarse annual, 1½-3 ft. high. Leaves oval or oblong, undivided, toothed or pinnatifid, 1-6 in. long, denticulate, upper ones sessile-amplexicaul. Capit. yellow, many-flowered, in corymbose cymes.

Nubia; Blue Nile Prov.

The roots and leaves are used, in infusion, as a tonic and febrifuge.

S. Bipontini Aschers.

Glabrous perennial; 2-4 ft. high. Leaves linear, denticulate, up to 6 in. long, auricled, sessile. Capit. yellow, fl. ab. 20, in corymbose cymes; inner invol. bracts ab. 8, linear, ultimately reflexed.

Khartoum Prov.; Fung Prov. (Singa); White Nile Prov.; Bahr El Ghazal Prov. (Jur-land); Bahr El Jebel (Sudd).

Is eaten as spinach.

S. cf. S. Bipontini Aschers. var. pinnatifida O. & H.

Darfur Prov.

S. cornutus Hochst.

Erect herb, ½-2 ft. high. Leaves crowded near the base, obovate, spathulate or pinnately-toothed, sessile, 1-8 in. long.

Capit. yellow, fl. 20-27, in lax cymes; inner invol. bracts 8-10, obtuse.

North Sudan (between Suakin & Berber); Kassala Prov. (Gallabat); Fung Prov. (Fazoghli); White Nile Prov. (J. Arashkol, Wad Shellai).

S. prenanthoides O. & H.

Glaucous perennial, 1-3 ft. high. Leaves more crowded at the base, subentire, pinnatifid-dentate, lower ones amplexicaul, upper ones sessile, auricled. Capit. yellow, 20-25 flowered, cymose; inner invol. 5, scarious.

Kordofan Prov.

LOBELIACEÆ.

581Lobelia inconspicua Rich.

Dwarf annual, ½-1½ in. high. Leaves alt., small, oval to round. Fl. solitary, axillary, longer than leaves. Cor. 2-lipped, upper 2-lobed, lower 3-fid; st. 5, filaments united at top, 2 lower anthers bearded. Fruit a capsule.

Red Sea Prov. (Erkowit).

L. sp.

Herb, leafy towards the base. Leaves lanceolate, acute, 2 in. long, ¾ in. broad, serrate and densely ciliate. Flowers few, cymose. Calyx lobes ⅙ in. long.

Red Sea Prov. (21° N.L.).

L. sp. near L. senegalensis A. DC.

Much branched slender herb. Leaves narrowly lanceolate serrate, about 1 in. long, glabrous. Flowers on long slender pedicels, 1¼ in. in fruit. Calyx-lobes about 1/12 in. long.

Bahr El Ghazal Prov. (Niamniam-land).

L. trierarchi R. Good. sp. nov.

Herb. Leaves linear, denticulate, 1-1½ in. long, glabrous. Flowers few, lax, pale blue, ⅓ in. long. Calyx-lobes 1/12 in.

Darfur Prov. (J. Marra, 5,000-9,000 ft.).

CAMPANULACEÆ.

582Lightfootia sp.

Erect, slender but rigid herb. Leaves lanceolate, with wavy denticulate margins, ⅔ in. long. Flowers shortly pedicellate. Fruit obconic, 1/10 in. long.

Mongalla Prov. (Yei River).

L. abyssinica Hochst.

Shrubby perennial, ab. 2 ft. high. Leaves alt., lanceolate, 1½-3 in. long. Fl. small, in narrow, cymose, branched panicles, 1 ft. or more long. Cor. deeply 5-lobed, ¼ in. long. Stamens 5, free, filaments dilated at base. Capsule subglobose, 5-ribbed.

Bahr El Ghazal Prov. (Niamniam-land).

583Wahlenbergia etbaica Vatke.

Annual, 10 in. high, hispid below. Leaves alternate, ovate-lanceolate, 2 in. long. Fl. small, white, terminal or lateral, distant. Cor. lobes 5, short and broad; stamens 5, free; capsules 5-valved.

Red Sea Prov. (Suakin, Soturba).

584Sphenoclea zeylanica Gærtn.

Glabrous annual, 1-4 ft. high; stem fleshy. Leaves alt., linear-lanceolate, 1-6 in. long. Fl. small, greenish-yellow, in dense bracteate spikes, 1-3 in. long; cor. campanulate, 3-lobed; anthers free; capsule depressed globose.

White Nile Prov. (J. Arashkol); Upper White Nile Prov. (Kio); Bahr El Ghazal Prov. (Shambé, Niamniam-land: Atasilla River).

585Campanula dimorphantha Schwfth.

Pubescent annual, 6-9 in. high. Leaves alt., crenulate-dentate, ovate to linear-lanceolate, 1 in. long. Fl. dimorphic, fertile ones minute, apetalous, cymose, sterile ones solitary, ½ in. long; cor. blue; stigma 3-5-fid. Capsule crowned by persistent calyx lobes.

Nubia (Farek); Darfur Prov. (J. Marra).

C. rigidipila Steud. & Hochst.

Perennial herb, 6-12 in. long, with long rigid hairs. Leaves crowded, elliptic-lanceolate to obovate, ¼-1 in. long. Fl. blue, solitary and terminal, 5-merous, ab. ½ in. diam.; stigma 3-5-fid; capsule as above.

Darfur Prov. (J. Marra 6,500-9,000 ft.).

GENTIANACEÆ.

586Belmontia sp.

Tiny herb, 3 in. high. Leaves very small, opposite. Flowers on long stalks, white.

Mongalla Prov. (Yei River).

587Faroa pusilla Baker.

Dwarf herb, ab. 1½ in. high. Leaves elliptic to lanceolate, ¾-1 in. long, lower in a rosette, cauline opposite. Fl. minute, white, 4-merous, in dense terminal or axillary clusters. Capsule small, subglobose.

Bahr El Ghazal Prov. (Bongo-land: Gir).

588Enicostema littorale Blume.

Herb, 4-8 in. high. Leaves opp., linear or lanceolate, ¾-3 in. long, sessile. Fl. in axillary clusters along the stem, minute, 5-merous.

Nuba Mts. Prov. (towards Takale).

Possesses much bitterness and is used as a stomachic. It is also tonic and laxative.

589Canscora decussata Roem. & Schultes.

Erect herb with 4-winged stem. Leaves opp., lanceolate, ½ in. long. Cymes lax, terminal; cor. white or pale pink, small, lobes 4; stamens 4, 1 perfect. Capsule ¼-in. long.

Bahr El Ghazal Prov. (Bongo-land).

The plant is a laxative and alterative, much praised as a nervine tonic.

C. diffusa R. Br.

Erect herb with 4-angled stems, ½-2 ft. high, less robust than above. Leaves opp.; upper ovate, acute, short, lower narrowed to base, ⅓-1½ in. long. Fl. numerous, in a lax, cymose panicle; cor. pink, small; st. unequal. Capsule small.

Nubia; Bahr El Ghazal Prov. (Mittu-land: Kuddu).

590Neurotheca loeselioides Oliv.

Small annual with 4-angled stem. Leaves opp., lower lanceolate or ovate-lanceolate, ⅓-¾ in. long, upper linear to lanceolate, shorter. Fl. solitary, rarely 2, in each axil; calyx 8-ribbed, ⅙ in.; cor. pale blue, ab. ¼ in. long; lobes 4, short; st. 4, unequal. Capsules small.

Bahr El Jebel (Madi).

591Limnanthemum niloticum Kotschy & Peyr.

Aquatic herb; stems erect or runner-like with alt. or sub-opp. leaves or resembling petioles (false petioles). Leaves orbicular with a deep sinus at base, 1-4 in. diam.; false petiole bearing a cluster of 4-8 fl. a little below the leafblade; cor. yellow; tube with 5 tufts of hair at the middle, lobes long ciliate. Fr. subglobose, 7-10 seeded.

White Nile Prov. (near Abba Island); Bahr El Ghazal Prov. (Bongo-land, Jur-land, etc.).

592Swertia cf. S. abyssinica Hochst.

Darfur Prov. (J. Marra, 9,000 ft.).

PRIMULACEÆ.

593Anagallis arvensis Linn. SABUNGHEYT, AIN EL JENEL & LUBBUN—Arab. The Common Pimpernel.

Diffuse glabrous herb. Leaves opposite, sessile, ovate or elliptic-lanceolate. Fl. solitary, axillary, red, rose or blue, 5-merous; capsule globose, splitting transversely round the middle.

Nubia; Red Sea Prov. (Khors Gwob & Tamanib, Erkowit & Has Has); Fung Prov.

The plant is used in cerebral affections, leprosy, hydrophobia, dropsy, etc. Said to be poisonous to dogs.

594Samolus Valerandi Linn.

Glabrous herb, up to 3 ft. high, with radical and cauline obovate leaves. Fl. in terminal and axillary panicles, small, white, 5-merous; stamens nearly sessile in cor. tube; capsule 5-valved.

Red Sea Prov. (Erkowit).

PLUMBAGINACEÆ.

595Statice axillaris Forsk. Sea Lavender.

Low, seaside undershrub. Leaves alt., oblanceolate to spathulate, fleshy, 1-2 in. long; flowering-stem ½-1 ft. high. Fl. purple and pink, in unilateral bracteate panicled spikes.

Red Sea Prov. (Littoral).

596Plumbago zeylanica Linn. TERMIS—Hadendowa.

Scandent undershrub. Leaves alt., ovate-lanceolate, 1½ to 4 in. long. Fl. in terminal spikes; calyx tubular 5-toothed, covered with stalked viscous glands; cor. white, salver-shaped; tube exserted; capsule membranous, enclosed by persistent calyx.

Red Sea Prov. (Erkowit); Fung Prov. (Jongol’s Post); Kordofan Prov. (valleys near Turra); Nuba Mts. Prov. (El Mareikib); Darfur Prov. (J. Burkin: Suruj District & 35 m. N.E. of El Fasher); Bahr El Ghazal Prov. (Bongo-land: Dukuttu & Niamniam-land).

It is cultivated in gardens as an ornamental plant. The root is said to have vesicant and tonic properties. In the Congo the macerated leaves and lime juice are used for blisters.

PLANTAGINACEÆ.

597Plantago lanceolata Linn.

Herb. Leaves lanceolate in a radical rosette. Peduncles long, slender; heads globose or oblong; bracts ovate, as long as calyx; sepals 4, 2 outer hairy; cor. lobes 4, ovate, spreading; st. 4, twice as long as cor.; anthers versatile. Caps. 2-seeded.

Red Sea Prov. (Suakin, 21° N.L.).

P. stricta Schousb.

Herb, 6-12 in. high. Leaves opp. or whorled, narrowly linear. Heads many to a stem, globose, on ascending peduncles; bracts ovate, longer than calyx; sepals 4, oblong, ⅛ in. long; cor. lobes small, ovate; st. 4, short; caps. 2-seeded.

Red Sea Prov. (Suakin, 21° N.L.); Between Atbara & Red Sea.

P. ciliata Desf.

Herb, about 1½ in. high, with radical obovate-oblanceolate acute leaves softly woolly all over. Peduncles half as long as the leaves, about ¾ in.; heads oblong or ellipsoid, ⅓-½ in. long; bracts ovate.

Red Sea Prov. (Suakin, 21° N.L.).

HYDROPHYLLACEÆ.

598Hydrolea floribunda Kotschy & Peyr.

Branched riverside herb. Leaves alt., linear, ½-2½ in. long. Fl. in dense cymose, 6-8 in. long panicles, 5-merous; cor. blue; lobes ¼ in. long; filaments dilated at base into 2 upcurved auricles. Capsule ellipsoid, 1/7 in. long.

Bahr El Ghazal Prov. (Bongo-land, Dar Fertit, Banks of the Jur River).

H. graminifolia A. W. Bennett.

Marsh herb, 2-4 ft. high. Leaves alt., linear, 2-3 in. long. Flowers corymbose, cymose panicles 3-8 in. long; cor. blue, lobes ¼ in. long; stamen filaments dilated to a deltoid-ovate base. Capsule globose or ellipsoid, ⅙ in. long.

Bahr El Ghazal Prov. (near Badari’s).

H. macrosepala A. W. Bennett.

Marsh herb, 8-24 in. high. Leaves alt., lanceolate to linear, 1-2 in. long. Panicles lax, few-flowered, 3-12 in. long; sepals cordate-ovate, ¼ in. long, enlarged in fruit; cor. blue, shorter than calyx. Capsule ⅙ in., subglobose.

Bahr El Ghazal Prov. (Jur Ghattas).

BORAGINACEÆ.

599Cordia abyssinica R. Br. AZANAYA (Baggara), TUMBAREIB (N. Kordn.), INDERAB, or INDERAB ENTAYA (Fung), GAMBIL & GIMBIL (Gallabat)—Arab; KWAKELANG (Dilling), ZAN (Rashad-Talodi) & KUII (J. Eliri)—Nuba; BANJAM—Hameg.

Medium-sized to large tree. Leaves alt., ovate or suborbicular, up to 7 in. long. Cymes scorpioid (as in all this family) forming a terminal panicle; calyx tubular, 10-furrowed; cor. white, funnel-shaped, ¾ in. long; style twice forked; fruit ovoid, ½ in. diam., smooth.

Kassala Prov. (Gallabat: near Gendua River); Blue Nile Prov. (near Abu Shendy); Fung Prov. (Fazoghli); Kordofan Prov. (Bara); Darfur Prov. (J. Marra: Niurnya 6,500 ft.); Bahr El Ghazal Prov. (Shambé & Deim Zobeir).

Heartwood yellowish brown, polishes well, known in Khartoum as Sudan Teak and used for cabinet work. Fruit edible.

C. Holstii Gürke.

Tree, 20 ft. high. Leaves alt., suborbicular, subcordate, 3-5 in. long, densely yellow-tomentose beneath. Cymes 3-5 flowered, in lax terminal panicles; cor. white, ¾ in. long; calyx 4-5 toothed, shallowly 10-furrowed; stamens 4-5; style twice-forked.

Fung Prov. (Roseires).

C. ovalis R. Br.

Shrub or small tree; outer bark crustaceous, peels off exposing young green-coloured bark. Leaves ovate to suborbicular, 2-3 in. long, reddish pubescent beneath. Panicles terminal, dense, shorter than leaves; calyx irregularly toothed, not furrowed, ¼ in.; cor. 4-5 lobed, nearly ½ in. long; style bipartite nearly to base.

Darfur Prov. (J. Serg); Bahr El Ghazal Prov.; Bahr El Jebel (Gigging).

C. crenata Del. INDERAB—Arab; BIZU—Hameg.

Low tree. Leaves alt., obovate-cuneate, 2-3 in. long, crenate or upper half entire. Cymes few-flowered; calyx tubular-campanulate, not sulcate, silky inside; cor. ½ in. long; style bipartite. Fr. ovoid, ½ in. long on enlarged, woody, crenate calyx.

Blue Nile Prov. (near Sheikh Talha); Nuba Mts. Prov. (J. Fertangul).

C. Rothii Roem. & Schultes. MUNDERAB (N. Kordn.), INDERAB & INDERAB GIMBIL (Baggara) & GIMBIL (White Nile)—Arab; KUGULI (Dilling)—Nuba; CHAWDAW & SHADASHU—Bari; KAIT (L. Powendael), AKOIT (Bor), KIAT or SHAT or SHAT-AKOG (Kenissa), AKOG (Renk) & AKOSH (Kaka)—Dinka; BIZU—Hameg; NIOT or NYUAT—Nuer; GOI—Shilluk.

Small tree. Leaves subopp., oblanceolate or oblong, up to 3 in. long. Cymes terminal; cor. white, ¼ in. long; style arms club-shaped. Fruit ovoid, orange, on saucer-shaped enlarged calyx.

Throughout the greater part of the Sudan.

Heartwood brown, slightly scented like Sandal wood and used as a substitute for it. The small orange berry has a sweet pulp and is eaten. The bast yields a strong fibre. A gum exudes from wounds.

600Ehretia Braunii Vatke.

Shrub or small tree with grey striate bark. Leaves alt., oval or obovate-oblong, emarginate, 1 in. long. Fl. in scorpioid cymose panicles; cor. white, tipped purple, ¼ in. long, lobes and stamens 4-7; style bifid. Fr. a globose drupe.

Mongalla Prov.

E. Stuhlmannii Gürke. OWI—Bari.

Small tree. Leaves alt., up to 4 in. long and 2¼ in. broad, oval, acute or subacuminate, rough above, velvety pubescent beneath. Cymes long-peduncled in axils of upper leaves; fl. 5-merous; cor. tube minute, lobes reflexed, white; stamens long-exserted; style 2-lobed to the middle. Drupe small, globose.

Mongalla Prov. (Sheikh Tombé to Gigging).

601Coldenia procumbens Linn. YAKADI—Bari.

Procumbent hairy herb. Leaves alt., oblong, crenate, plicate, 1 in. long, upper smaller. Fl. solitary, axillary, or upper ones in secund spikes, 4-merous; cor. ¼ in. long, 4-lobed. Fr. mitre-like, depressed-globose, ⅙ in. diam., glandular-hairy.

Blue Nile Prov.; Fung Prov. (Jongol’s Post); White Nile Prov. (Jebelein); Nuba Mts. Prov. (Rashad); Bahr El Ghazal Prov. (Jur Ghattas); Mongalla Prov.; Bahr El Jebel (Madi).

Equal parts of the dry plant and fœnu-greek seeds, rubbed to a fine powder and applied warm to boils, quickly causes them to suppurate. The fresh leaves, ground up, are applied to rheumatic swelling.

602Heliotropium supinum Linn. GHUBEYRA—Arab.

Hairy decumbent herb. Leaves opp. or alt., oval or oblong, crenate, up to 1½ in. long. Fl. in simple or forked scorpioid spikes, 5-merous, small. Fruit of 1-2 nutlets, brown, enclosed in persistent, hairy calyx.

Khartoum Prov.; Blue Nile Prov.; Fung Prov. (Jongol’s Post); White Nile Prov. (Salati); Kordofan Prov. (Hogel).

H. undulatum Vahl. GHAREIR (N. Kordn.)—Arab.

Bristly herb. Leaves alt., oblong to lanceolate, 2½ in. long, undulate. Spikes many, short, dense scorpioid; fl. minute, 5-merous. Fr. globose, sub-2-winged, nutlets 4.

Red Sea, Khartoum, Blue Nile, White Nile & Kordofan Provinces.

H. rariflorum Stocks.

Woody perennial, white tomentose. Leaves alt., linear, small, sessile, bristly-hairy. Spikes 3-5 flowered; fl. minute; nutlets 4, hispid.

Red Sea & Mongalla Provinces.

Administered externally and internally for snake-bite.

H. strigosum Willd.

Perennial with appressed white bristly hairs. Leaves alt., linear or linear-lanceolate, up to 1¼ in. long. Scorpioid spikes lax, 3 in. long; fl. minute; nutlets 4.

Red Sea Prov. (from 21° N.L. southwards); Kassala Prov. (Gallabat, Matamma); Fung Prov. (Jongol’s Post); White Nile Prov. (J. Arashkol & Jebelein); Kordofan Prov.; Bahr El Ghazal Prov. (Jur & Niamniam lands); Mongalla Prov.

Used as a laxative or diuretic. The juice is used for snake-bite; as an application in ophthalmia and also for promoting suppuration of gum-boils and to hasten healing of wounds and ulcers.

H. Steudneri Vatke.

Woody perennial with dense appressed white hairs. Leaves alt., ovate-lanceolate, 1¼ in. long. Scorpioid spikes short, dense; fl. 5-merous, minute; nutlets 4.

Red Sea Prov. (Erkowit).

H. longiflorum Hochst. & Steud.

Woody perennial with appressed white hairs. Leaves alt., lanceolate or oblong-lanceolate, up to 2-3 in. long. Spikes lax, sometimes up to 6 or 9 in. long; cor. ab. ⅙ in. long, densely pubescent outside; nutlets 4.

Red Sea Prov. (Khor Tamanib, Erkowit & Wadi Omareg).

H. zeylanicum Lam. UM MANAKHIR (N. Kordn.), DAFARA (Egypt)—Arab.

Woody perennial. Leaves alt., linear or lin.-lanceolate, 1-3 in. long, with bulbous-based hairs. Spikes lax, finally 6-9 in. long; cor. ¼ in. long, lobes 5, caudate-acuminate; nutlets 4.

Red Sea, Khartoum, Blue Nile, & Kordofan Provinces.

H. indicum Linn.

Erect pilose annual. 1-3 ft. high. Leaves opp. and alt., ovate, sinuate, up to 4 in. long; petiole 2 in. long, narrowly-winged, spikes usually simple, ab. 5 in. long; cor. 5-lobed, lilac or white. Fr. deeply 2-lobed, each lobe with a short bidentate beak and made up of 2 nutlets.

Fung Prov.

H. pallens Del.

Erect annual, 2 ft. high, branching, grey-woolly. Leaves ovate, up to 2 in. long. Spikes simple or forked in a terminal, sometimes leafy panicle; cor. white, ¼ in. long; nutlets 4.

Red Sea Prov. (21° N.L.); Dongola Prov. (Omda); Berber Prov. (El Damer); Khartoum Prov.; Blue Nile Prov.; Kordofan Prov.; Upper White Nile Prov. (Sobat mouth); Darfur Prov.

H. ovalifolium Forsk. RHIMTA (Meshra El Zeraf)—Arab; AGANAMA (Meshra El Zeraf)—Dinka.

Widely-branched, silky, pubescent herb. Leaves alt., obovate or elliptic, ⅓-1 in. long. Spikes numerous, dense, finally 2-3 in. long; calyx minute, 1 lobe broader; cor. small; nutlets 4, hispid.

Halfa Prov.; Kassala Prov. (Gallabat); Berber Prov.; Khartoum Prov.; Blue Nile Prov.; White Nile & Upper White Nile Provinces (Geteina to Sobat mouth); Kordofan & Darfur Provinces.

H. europæum Linn. KEREIRA (Blue Nile) & DUKHAN EL AZABAT—Arab.

Erect herb, with short whitish hairs. Leaves alt., oblong-rhomboidal. Spikes dense, finally lax and 2 in. long; fl. minute, very hairy; nutlets 4, rugose.

Blue Nile Prov. (Gezira).

Eaten by goats.

H. pterocarpum Hochst. & Steud.

Slender short herb, densely hispid. Leaves alt., oblong, small, crisped on the margin. Scorpioid spikes short, dense; fl. 5-merous; calyx lobes free nearly to base, ¼ in. long; cor. small; nuts glabrous, cohering in pairs, winged.

Red Sea Prov. (near Erkowit).

H. arbainense Fresen.

Short, much branched perennial with soft whitish hairs. Leaves alt., ovate or oblong, small. Spikes dense, finally 2-3 in. long; calyx glandular-hairy; cor. tube exserted. Nutlets 4, rugose, glabrous.

Coast of Nubia.

603Trichodesma physaloides A. DC.

Tuberous-rooted herb, 1-2 ft. high, hirsute or glabrous. Leaves usually opp., sessile, ovate-lanceolate or lanceolate, 1½-4 in. long, with white tubercles, especially on upper surface. Panicle cymose, terminal, lax; calyx at first ½ in. long, subglobose, 1 in. long in fruit; cor. up to 1½ in. diam., white or blue, or white with blue spots in the throat, or blue with yellow spots; anthers densely pilose on back. Nuts 4.

Fung Prov. (Fazoghli); Bahr El Ghazal Prov. (Deim Zubeir & Mattu-land).

T. africanum R. Br. HARRĪSH (N. Kordn.)—Arab.

Herb, up to 3 ft. high. Leaves opp. or alt., ovate or ovate-oblong, up to 5 in. long, with scattered white bulbous-based hairs on both surfaces. Panicle many-flowered, terminal; fl. 5-merous; cor. blue, with 5 purple spots in the throat, under ½ in. long; anthers with apical twisted horns; nutlets 4, scabrid, spiny.

Red Sea Prov. (Khor Ashat); Khartoum Prov. (J. Royan); Kordofan Prov. (North).

The leaves are used as diuretic.

T. Bentii Baker & C. H. Wright.

Densely hispid herb, 1 ft. high. Leaves opp., ovate, 2½ in. long, bulbous-based hairs added above to the others. Cymes panicled, terminal; fl. 5-merous; cor. ⅓ in. diam., lobes triangular-acuminate; anthers pilose on back, spirally awned.

Red Sea Prov. (Suakin, 21° N.L., sea-coast to between 3,000 to 4,000 ft.).

T. zeylanicum R. Br.

Erect herb, 2-4 ft. high. Leaves opp., or upper alt., oblong-lanceolate, 1-3 in. long, pubescent and with bulbous-based hairs. Cymes lax, terminal; cor. blue with a white eye, ½ in. diam.; anthers awned; nutlets 4, ovoid, compressed.

Khartoum Prov.; Fung Prov. (Fazoghli & Jongol’s Post); Bahr El Ghazal Prov. (Jur Ghattas); Mongalla Prov. (Gondokoro); Darfur (Jebel Marra: Wadi Gindi 7,300 ft.).

Emollient poultices are made from the leaves.

604Cynoglossum Hochstetteri Vatke.

Small hispid herb. Leaves alt., oblong, upper sessile. Racemes lax, few-flowered; fl. 5-merous; corolla blue, small, throat with scales inside; nutlets 4 with hooked spines on margins and up the centre.

Red Sea Prov. (21° N.L., from coast-land to 3,000-4,000 ft.; Suakin, Erkowit, Has Has).

C. lanceolatum Forsk.

Pilose herb, 4-6 ft. high. Leaves alt., oblong-lanceolate to lanceolate, 4-6 in. long, scabrid. Cymes lax, finally 5-6 in. long; fl. 5-merous, minute; cor. white, sometimes blue tinted; tube enclosed by 5 scales; nuts 4, covered with hooked spines.

Bahr El Ghazal Prov. (Niamniam-land: Nabambisso River).

605Echinochilon fruticosum Desf.

Densely white hispid dwarf herb. Leaves alt., lanceolate, ¼-½ in. long. Fl. sessile in axils of upper leaves, cor. blue, 2-lipped; nuts 4.

Nubia (coast-land).

606Arnebia hispidissima DC. GHAREIR (N. Kordn.)—Arab.

Tufted herb, covered with stiff, white hairs. Stem-leaves lanceolate, sessile, ½-1 in. long, lower oblanceolate. Spikes dense, finally elongated; fl. 5-merous; cor. yellow, ab. ½ in. long; nuts 4.

Red Sea Prov. (sea-coast to 3,000-4,000 ft. to Erkowit); Fung Prov.; Kordofan Prov. (several places); Darfur Prov.

607Echium Rauwolfii Del.

Hirsute herb, ab. 1 ft. high. Stem-leaves alt., linear-oblong, small, sessile, covered with white, bulbous-based bristles; radical leaves oblanceolate, 4-6 in. long. Spikes up to 6 in. long; fl. 5-merous; cor. blue, funnel-shaped, ¾ in. long; nuts 4, shining.

Dongola Prov.; Berber Prov.; Khartoum Prov.; Blue Nile Prov. (Wad Medani & Sennar); White Nile Prov. (Geteina).

E. longifolium Del. KAHALI—Arab.

Densely hirsute herb. Stem-leaves linear-oblong, sessile, small; radical leaves oblanceolate. Spikes many, lax; cor. blue, ab. ¾ in. long; nuts ⅙ in. diam., ovoid, rugose.

Red Sea Prov. (Suakin, Soturba Mts. 22° N.L.); Dongola Prov. (Wadi Mahas).

E. arenarium Guss.

Herb with short, upward-pointing bristles. Leaves alt., oblanceolate. Spikes lax; bracts large, ovate-lanceolate; fl. 5-merous; cor. blue, up to ½ in. long; nuts 4, tubercled. Blue Nile Prov. (Wad Medani & Sennar); Fung Prov. (Roseires).

SOLANACEÆ.

608Solanum æthiopicum Linn. GUTA, QUTA, BEGINGAN EL GUTA—Arab.

Tall unarmed herb. Leaves alt. or 2 at a node, oblong, sinuate. Cymes umbellate, few-flowered; cor. white, 5-7-fid; st. 5-7, anthers conniving into a cone (as all in this genus), dehiscing by terminal pores. Berry globose, pale red.

Bahr El Ghazal Prov. (Jur Ghattas).

The fruit is used for flatulence, the roots also as a remedy for colic.

S. nodiflorum Jacq. HARSH (Kaka)—Arab.

Herb. Leaves ovate-acuminate, 4 in. long. Cymes umbellate at or above the nodes, few-flowered; cor. rotate, white, ⅓ in. diam.; anther-pores large, oblique. Fr. globose, ½ in. diam., black.

Fung Prov. (Roseires & Jongol’s Post); White Nile Prov.; Upper White Nile Prov. (Kaka wood station); Bahr El Ghazal Prov. (Bongo-land); Belgian Congo (Niamniam-land).

The deep purple juice of the berries can be used as an ink.

S. nigrum Linn. ENAB EL DIB—Arab.

Pubescent herb, up to 2 ft. high. Leaves obovate to lanceolate, sinuate-dentate, up to 4 in. long. Cymes extra-axillary, umbellate; cor. rotate, white, ¼ in. diam.; anther pores terminal, oblique. Berry globose, ¼ in. diam., black, rarely red or yellow.

Red Sea Prov. (Khor Tamanib, Soturba mountains, seacoast); Khartoum, Blue Nile, Kordofan & Darfur Provinces.

Berries black, used as a purgative. The whole plant is used as an article of diet for dropsical patients and those suffering from chronic inflammation of the liver.

S. schimperianum Hochst.

Shrub, 5 ft. high; young parts stellate-hairy. Leaves ovate, 1 in. long. Cymes few-flowered; fl. 4-merous; cor. ½ in. diam. Berry globose, nearly ½ in. diam.

Between Suakin & Berber (Wadi Haraza).

S. albicaule Kotschy.

Shrub with recurved spines on the stem; all parts with white stellate tomentum. Leaves ovate, acuminate, sometimes slightly lobed, 1½ in. long. Cymes extra-axillary; fl. 5-merous; cor. rotate; lobes nearly ½ in. long. Berry globose, ¼ in. diam.

Red Sea Prov.; Kordofan.

S. hastifolium Hochst.

Undershrub with prickly stem. Leaves hastate and more or less pinnately lobed, 1½ in. long, stellate-hairy. Fl. lateral and terminal, solitary or racemose, 5-merous, stellately hairy; cor. lobes under ½ in. long. Berry globose, ⅓ in. diam.

Blue Nile Prov. (Abu Haraz); Fung Prov. (Jongol’s Post); Kordofan Prov.; White Nile Prov. (J. Arashkol); Mongalla Prov. (Mongalla to Bor).

S. anomalum Thonn.

Stellately tomentose shrub, prickly on stems, branches, petioles and along the midrib of leaves. Leaves solitary or geminate, ovate-oblong, pinnatifid. Cymes axillary, racemose; fl. 4-merous; cor. white, rotate. Berry globose, red, nearly ½ in. diam.

Belgian Congo (Niamniam-land: Assika River).

S. aculeatissimum Jacq.

Armed undershrub, 1-2 ft. high; spines straight on stems, branches, upper side of principal nerves and calyx lobes, interspersed in the younger parts with stiff bristles as also on leaves. Leaves solitary or geminate, broadly ovate or ovate-cordate, pinnately 5-7 lobed, 4 in. long; petiole 1 in. long. Cymes extra-axillary, few-flowered; fl. 5-merous; cor. rotate, 1 in. diam., white. Fr. globose, 1 in. diam., smooth, orange.

Mongalla Prov. (Kenissa).

S. xanthocarpum var. Schraderi Dunal.

Bushy herb armed with straight spines on stems, branches, petiole and midrib of leaves. Leaves oblong or oblong-lanceolate, pinnately 5-9 lobed, up to 5 in. long, stellate-hairy when young. Cymes extra-axillary, 5-8 flowered; fl. 5-merous; cor. blue-purple, 1 in. diam. Berry size of a cherry, yellow.

Kassala Prov. (Gallabat); Blue Nile Prov. (Ganneib Assad); Fung Prov. (Roseires & Jongol’s Post); Kordofan Prov. (Mulbes, Abu Haraza & Abu Felagi); Darfur Prov. (Kulme); Upper White Nile Prov. (Sobat); Bahr El Ghazal Prov. (Niamniam-land, Nabambisso River); Mongalla Prov.

S. dubium Fresen. GUBEIN (N. Kordn.)—Arab.

Bushy, mealy pubescent herb, armed on stem, leaves and calyx. Leaves alt., upper ones geminate, unequally cordate, ovate or ovate-lanceolate, wavy-sinuate. Cymes short, few-flowered; fl. 5-merous; cor. violet. Berry globose, ¼ in. diam., yellow, enclosed in spiny calyx.

Red Sea Prov. (Soturba); Berber Prov.; Khartoum Prov.; Blue Nile Prov.; Kordofan Prov. (several places); Darfur Prov. (J. Berkin).

The plant is pounded and put into water in which hides are soaking to assist the removal of the hair.

S. incanum Linn. GIBBEIN—Arab; MANIOP—Hadendowa; TELELEH—Bari; DITAAK (or ATITĀK) (Kenissa)—Dinka.

Tall, woody herb; all parts stellately woolly; branches, leaves and calyx spiny. Leaves ovate or ovate-elliptic, 5 in. long, sinuate. Fl. solitary or few together; cor. purple or white, ab. 1 in. long. Fr. subglobose, 1½ in. diam., yellow.

Red Sea Prov. (Soturba to Erkowit); Berber Prov.; Khartoum Prov.; Fung Prov. (near Mashikha & Jongol’s Post); Kordofan Prov. (Obeid); Darfur Prov.; Bahr El Ghazal Prov. (Jur Ghattas); Mongalla Prov. (Gameiza).

The seeds are used for curdling milk. The fruit is said to be edible.

S. hybridum Jacq.

Armed pubescent shrub. Leaves geminate, ovate, sinuate or entire, 3 in. long. Cymes racemose, umbellate or reduced to a single flower; fl. 5-merous; calyx tube spiny; cor. pale-purple, 1 in. diam. Berry 1 in. diam., orange-red.

Kassala Prov. (Gallabat: Matamma).

S. cerasiferum Dunal.

Stellate-hairy herb with spines on stem, leaves and calyx. Leaves oblong, 2½ in. long, pinnately lobed. Cymes racemose; 5-merous; cor. violet, ¾ in. diam., densely stellate-hairy outside. Berry subglobose, yellow.

Fung Prov.

S. Melongena Linn. BEDINGAN—Arab; JUYO—Krej. Egg Plant or Aubergine.

Cultivated for its large purple-black fruit, which is cooked as a vegetable.

S. duplosinuatum Klotzsch.

Undershrub, 3 ft. high; stem, leaves and calyx spiny and stellate-hairy. Leaves bi- to tripinnatifid, 8 in. long, 5 in. broad. Cymes racemose, few-flowered; fl. 5-merous; cor. mauve, 1½ in. diam. Fr. globose, 1½ in. diam., white, streaked with green.

Bahr El Ghazal Prov. (Niamniam-land: by the Nabambisso River).

S. campylacanthum Hochst.

Shrub, 2-5 ft. high, with short recurved spines on stem and midribs of leaves. Leaves alt., broadly lanceolate to oval, entire or shallowly sinuate, up to 6 in. long, stellately hairy on both surfaces. Cymes extra-axillary, few-flowered, 5-merous; cor. lilac, 1 in. diam. Berry globose, 1 in. diam.

Darfur Prov.

S. pruinosum var. pilosulum Dunal.

Herb; branches white-waxy (pruinose). Leaves rhomboid, cuneate, 2-3 in. long, hairy beneath. Racemes 6-7 flowered, hairy on peduncles and flowers; fl. 5-merous: cor. white, under ½ in. diam. Berry size of a pea.

Fung Prov.

S. sp.? HAMASHANAK—Hadendowa.

Unarmed shrub.

Red Sea Prov. (Erkowit).

609Physalis minima Linn.

Villous herb, 1 ft. high. Leaves ovate or subcordate, acuminate, entire or sinuate-dentate, 1¼ in. long. Fl. solitary, 5-merous; calyx campanulate, 5-angled, enlarging in fruit to ½ in. diam.; cor. yellow, ¼ in. long. Berry globose, ¼ in. diam.

Fung Prov. (Jongol’s Post); Bahr El Ghazal Prov. (Niamniam-land); Mongalla Prov. (Yei River); Belgian Congo (Niamniam-land: Mbrwole).

P. angulata Linn. var.

Bushy herb with yellow flowers; calyx accrescent in fruit.

Kordofan Prov. (El Obeid).

610Capsicum frutescens Linn. SHATTA & FILFIL AHMAR—Arab; RARIA—Zande. Red Pepper.

Shrubby herb, 2-3 ft. high. Leaves ovate acuminate, variable in size. Fl. solitary or in pairs, 5-merous; cor. white or pale yellow. Berry spindle-shaped, red.

Fung, Bahr El Ghazal & Kordofan Provinces (cultivated).

C. annuum Linn. FILFIL AHMAR—Arab. Cayenne Pepper.

Much like above. Cor. lobes 5-6, greenish-white. Berry oblong-linear, under 1½ in. long.

Cultivated in various parts.

Fruit, picked green or when ripe, is used to make sauces. It is also dried and ground for use like Cayenne pepper.

611Lycopersicum esculentum Mill. BANADURO or TOMATUM—Arab.

Tomato Plant.

Cultivated throughout the country.

612Withania somnifera Dun. MORGAN, SIM EL FAR, SAKARAN, FOQQESH—Arab; MEIKA-IS—Hadendowa.

Large bushy or decumbent herb, growing in swampy ground, often on termite mounds. Leaves ovate or variable, up to 2½ in. long, tomentose. Fl. 4-6 in axillary fascicles, 5-merous; calyx campanulate, much enlarged in fruit; cor. pale-green, under ¼ in. long. Berry globose, ¼ in. diam.

Red Sea Prov. (Erkowit, Sinkat); Kassala Prov.; Dongola Prov. (Merowe); Fung Prov. (Roseires); Kordofan Prov. (Bara); Darfur Prov.; Upper White Nile Prov. (Kodok); Bahr El Ghazal & Mongalla Provinces.

The seeds are used to coagulate milk. The root is said to have tonic and diuretic properties.

613Lycium persicum Miers. SAMŪNAT—Rashida; TISHANU—Hadendowa.

Shrub; shortened branches often spiny. Leaves spathulate-obovate or oblong, ¼-¾ in. long. Fl. solitary, tubular, 5-merous; cor. blue-purple, ¾ in. long. Berries globose, scarlet.

Red Sea Prov.

The scarlet berries are said to be eaten.

614Datura Stramonium Linn. SAKARAN—Arab; TARME (Dilling)—Nuba. The Thorn-apple.

Bushy herb or undershrub. Leaves ovate, coarsely toothed or lobed, up to 9 in. long. Fl. solitary in forks of branches, 5-merous; cor. white, 3-4 in. long, tubular-funnel-shaped. Caps. 2 in. long, echinate, ovoid.

Kassala Prov. (Gallabat, Matamma); Dongola Prov.; Berber Prov.; Khartoum Prov.; Blue Nile Prov.; Kordofan Prov.; Nuba Mts. Prov. (Dilling).

The seeds are poisonous and a powerful narcotic. The active principles are Hyoscyamine and a small quantity of Scopolamine.

D. Metel Linn.

More pubescent; flowers larger than above.

Khartoum, Kordofan & Darfur Provinces.

Poisonous; similar to D. Stramonium.

615Hyoscyamus muticus Linn. SAKARAN—Arab.

Stout leafy herb, 1-2 ft. high. Leaves broadly lanceolate, 4-6 in. long, entire or dentate; petiole 1½-2½ in. long, winged. Fl. axillary and in unilateral scorpioid terminal spikes or racemes, 5-merous; calyx accrescent; cor. greenish-white tipped with purple. Caps. subglobose.

Dongola Province.

A powerful narcotic drug, the toxic principles are Hyoscyamine and Hyosine.

616Nicotiana Tabacum Linn. DUKHĀN—Arab; TABBA—Bongo; TĀB & TABBO—Dinka; TOL—Nuer; GUNDEH—Zande. Tobacco Plant.

Annual, up to 6 ft. high, viscid all over. Leaves lanceolate to ovate, lower up to 2 ft. long, amplexicaul. Panicle terminal; fl. 5-merous; cor. pink, white or pale yellow; tube long. Caps. conical.

Fung Prov.; White Nile Prov.; Nuba Mts. Prov.; Kordofan Prov.; Upper White Nile Prov. (Sobat); Bahr El Ghazal Prov. (Jur Ghattas); Darfur Prov.

Cultivated. The leaves are very imperfectly cured by the natives, and are very rank and coarse. The plant grows freely and yields heavily.

N. rustica Linn. DUKHĀN—Arab; DĀ (J. Ghulfan)—Nuba; MASHIR—Bongo.

Differs from above by smaller leaves and greenish-yellow flowers in closer panicles.

Fung Prov.; Nile Banks (17° N.L.); Kordofan Prov. (Bara); Darfur Prov.; Bahr El Ghazal Prov. (Jur Ghattas); Nuba Mts. Prov.

The principal tobacco of the Nile Basin, cultivated for smoking and chewing. The Nicotine content is low.

617Schwenkia americana Linn.

Much branched, pubescent herb. Leaves alt., lower ovate and petioled, upper oblong and sessile, ¾ in. long. Panicle lax, terminal; calyx 5-toothed; cor. pale violet, 5-toothed, 2 upper longer, total length ⅓ in.; stamens 4, didynamous. Caps. subglobose, ¼ in. long.

Bahr El Ghazal Prov. (Kutshuk Ali, Jur Ghattas & Niamniam-land: Nabambisso River).

Used as a fish poison on the West Coast.

S. hirta Klotzsch.

Hirsute herb, 2 ft. high. Leaves ovate or oblong, ⅔ in. long. Panicle large, lax; cor. tubular, under ½ in. long, pale violet or yellow, lobes equal; st. 2. Caps. ¼ in. long.

Bahr El Ghazal Prov. (Wau).

CONVOLVULACEÆ.

618Ipomœa verticillata Forsk.

Herbaceous twiner. Leaves alt., as in all this order, cordate-ovate, 1-2 in. long, pubescent. Fl. 1-2, on short pedicels, on axillary peduncles; cor. whitish, subcampanulate, ¼ in. long; midpetaline area well defined as in all the genus. Capsule globose, ⅓ in. diam., glabrous.

Between Kassala & Goz Regeb; Berber Prov. (Zeidab); Khartoum Prov. (Burri); Blue Nile Prov.; White Nile Prov. (J. Arashkol).

I. eriocarpa R. Br.

Pubescent twiner. Leaves from cordate-ovate to linear-oblong, 1-5 in. long. Fl. in sessile axillary clusters, 5-merous; sepals hairy, ¼ in. long; cor. white, pink or purple, ab. ⅓ in. long. Capsule globose, hairy, ¼ in. diam.

Kassala Prov. (Gallabat: Matamma); Berber Prov. (Metemma); Khartoum Prov.; Kordofan Prov.; Bahr El Ghazal Prov. (Bongo-land: Gir); Fung Prov. (Jongol’s Post).

I. sulphurea Hochst.

Trailing herb, pubescent. Leaves elliptic-ovate, obtuse, 1-2 in. long, usually shallowly cordate. Fl. axillary, clustered; cor. sulphur-yellow, ¼ in. long. Capsule globose, hairy, ¼ in. diam.

Kordofan Prov. (Obeid & Abu Helafi).

I. curtipes Rendle.

Finely pubescent twining herb. Leaves linear-oblong, cordate-ovate below, 1-2 in. long. Fl. axillary, solitary on ¼ in. pedicel; cor. purplish, hairy, funnel-shaped, ½ in. long.

Bahr El Ghazal Prov. (Jur Ghattas).

I. blepharophylla Hallier f.

Trailing herb with short yellowish spreading hairs. Leaves linear to lin.-oblong, 1½-3 in. long, margins densely ciliolate. Fl. solitary, axillary; cor. reddish, funnel-shaped, 2 in. long. Caps. glabrous.

Bahr El Ghazal Prov. (Jur Ghattas & Niamniam-land); Fung Prov. (Jongol’s Post).

I. coscinosperma Hochst.

Trailing, slightly hairy annual. Leaves lin.-lanceolate or obl.-lanceolate, 1½-2½ in. long. Fl. 1-2, axillary; cor. red, ⅓ in. long. Capsule glabrous, globose, ¼ in. diam.

Kassala Prov. (Gallabat: Matamma); White Nile Prov. (J. Arashkol); Kordofan Prov. (near Abu Gerad).

I. kotschyana Hochst.

Pubescent twiner. Leaves orbicular, 1-2 pinnatifid, 1-1½ in. diam. Fl. solitary axillary; cor. funnel-shaped, ab. ⅓ in. long. Caps. globose, glabrous, ¼ in. diam., 3-celled.

Kordofan Prov.; Darfur Prov. (Barkin, in Suruj Dist.).

I. cardiosepala Hochst. HANTUD or KHANTUT—Arab; TABĀR—Hadendowa.

Creeping and twining, pilose herb. Leaves cordate, ovate, 1-2 in. long. Peduncles axillary, 1-3 flowered; fl. 5-merous; 3 outer sepals ovate-cordate, 2 inner lanceolate, ¼ in. long; cor. purplish, funnel-shaped, ½ in. long. Caps. globose, glabrous, ¼ in. diam., 2-celled; seeds densely tomentose.

Red Sea Prov.; Khartoum Prov.; Blue Nile Prov.; Fung Prov. (Jongol’s Post); White Nile Prov. (J. Arashkol); Kordofan Prov.

I. mombassana Vatke.

Laxly pilose trailing and climbing herb. Leaves ovate, cordate-sagittate, 1-3 in. long. Fl. axillary, solitary or in few-flowered cymes; cor. white with purple throat, funnel-shaped, 1-2 in. long; sepals linear-hastate. Caps. glabrous.

Upper White Nile Prov. (Kaka & Meshra El Zeraf woodstations).

I. cordofana Choisy. TEBR or TIBR (White Nile)—Arab; KARA (Meshra El Zeraf)—Dinka.

Hairy creeper. Leaves ovate-orbicular, broadly cordate, 1-3 in. long; petiole 1-2 in. long. Peduncles 1-3 flowered; bracts ovate, foliaceous; cor. white, funnel-shaped, 1-2 in. long. Caps. globose, ⅓ in. diam.

Blue Nile, White Nile & Upper White Nile Provinces (J. Arashkol, El Dueim to Meshra El Zeraf); Kordofan Prov.

I. pileata Roxb.

Pilose twiner. Leaves cordate-ovate, ab. 2 in. long. Fl. enclosed in a large boat-shaped bract; cor. cylindrical, tube 1 in. long; limb spreading, 1 in. diam. Caps. globose, small.

Fung Prov.; Bahr El Ghazal Prov. (Jur Ghattas).

I. chloroneura Hallier f. LUAE (J. Eliri)—Nuba.

Erect branching herb with dense white and yellow hairs. Leaves lin.-lanceolate to oval, 1-2 in. long. Fl. in small dense heads, outer bracts foliaceous; cor. white or pale-yellow, funnel-shaped, under ½ in. Caps. globose; seeds fawny, silky-pubescent.

Nuba Mts. Prov. (J. Eliri).

I. involucrata P. Beauv.

Slender, finely hairy or glabrescent twiner. Leaves cordate-ovate, 1½-3 in. long; petiole as long. Peduncle 1-3 in. long; fl. several in a head, enclosed in a large, 2-cusped, foliaceous, boat-shaped bract, 2 in. diam.; cor. bright pink, 1-2 in. long, funnel-shaped; limb 1½-2 in. diam. Caps. small, globose, glabrous.

Bahr El Ghazal Prov. (Niamniam-land).

I. amœna Choisy.

Twiner with soft yellow hairs, mixed in younger parts with white hairs. Leaves ovate, shallowly cordate, 1-3½ in. long. Fl. in dense hairy cymose heads; cor. purple-violet or cream, with crimson throat, ab. ½ in. long. Capsules small, glabrous, 2-celled.

Nubia; Fung & Kordofan Provinces.

I. chætocaulos Hallier f.

Twining herb with golden bristly hairs. Leaves suborbicular, cordate, 3½ in. long; petiole 4 in. long. Fl. in dense heads; bracts ovate, ¾ in. long.

Bahr El Ghazal Prov. (Jur Ghattas).

I. Pes-tigridis Linn.

Twining annual with long fulvous hairs. Leaves palmately 7-9 lobed, 1½-2½ in. long, 2-3 in. broad; lobes narrowly oval; petiole 1½-2½ in. long. Peduncles longer than petioles, bearing dense hirsute, few-flowered heads; bracts foliaceous, oblong; cor. funnel-shaped, purple, ab. 1½ in. long. Caps. brown, glabrous; seeds black, shortly pubescent.

Fung Prov. (Jongol’s Post); Kordofan Prov. (Abu Haraz).

I. hederacea Jacq.

Slender, hairy twiner. Leaves shallowly cordate-ovate, rather shallowly 3-lobed, 2-5 in. long. Peduncle 1-5 flowered; sepals with a long, narrow point, ¾-1 in. long; cor. funnel-shaped, 2-3 in. long, usually ashy-blue with a white tube. Caps. small, 3-celled; seeds 6, smooth.

Kassala Prov. (Gallabat: Matamma); Berber Prov. (Metemma); Blue Nile Prov.; Fung, Kordofan, Upper White Nile & Darfur Provinces.

The seeds, powdered with ginger, are used as a purgative.

I. pilosa Sweet. UM SHE’ERA (Meshra El Zeraf)—Arab.

Twining herb with yellowish-white hairs. Leaves cordate-ovate, 2-4 in. long, palmately 3-lobed with white tomentum beneath. Fl. laxly cymose on 1-2 in. long, hairy peduncles, 5-merous; sepals linear-acuminate, glandular; cor. purple-carmine, funnel-shaped, 1 in. long. Capsule globose; ripe seeds hanging by filaments out of capsule.

Kassala Prov. (Gallabat: Matamma); Berber Prov. (Metemma); Fung Prov.; White Nile Prov.; Kordofan Prov.; Upper White Nile Prov. (Meshra El Zeraf).

The roots are pounded and an infusion drunk to calm abdominal pains.

I. obscura Ker.

Pubescent twiner. Leaves ovate, cordate, 1½-2 in. long. Peduncle ½-1 in. long, 1-3 flowered; cor. white with a purple base, funnel-shaped, 1 in. long, 1-1½ in. diam. Caps. globose, glabrous, ⅜ in. diam.

Between Kassala & Suakin (J. Erkeneb); Bahr El Ghazal Prov. (Niamniam-land).

I. near I. obscura Ker.

Leaves gland-dotted, cordate to subhastate or deltoid.

Upper White Nile Prov. (Kio); Mongalla Prov. (above Bor).

I. fragilis Choisy.

Slender twiner. Leaves narrowly cordate-ovate, acuminate, 1-2 in. long. Fl. 1-2 axillary, on long peduncles exceeding the leaves; cor. white or buff, funnel-shaped, ¾ in. long. Caps. glabrous.

Kordofan Prov. (Obeid); Bahr El Ghazal Prov. (Jur Ghattas, Western Bongo-land & Niamniam-land: Nabambisso River).

I. acanthocarpa Hochst.

Glabrous twiner. Leaves cordate-ovate, 1-3 in. long; petiole 1-3 in. long. Peduncle 1-3 flowered; cor. white or pale-purple, funnel-shaped, 1 in. long. Caps. globose, tipped with persistent style base.

Kordofan Prov. (Obeid); Nuba Mts. Prov. (near Talodi).

I. cf. I. acanthocarpa Hochst.

Fung Prov. (Jongol’s Post).

I. hellebarda Schwfth.

Tuberous-rooted twiner. Leaves very variable, ovate to sagittate or hastate, 2-3 in. long. Peduncle 1½-3 in. long, bearing a few-flowered cyme; cor. bright red-purple, 2 in. long, funnel-shaped, ab. 2 in. diam. Caps. globose; seeds 4, brown-velvety.

Kassala Prov. (Gallabat: around Matamma); Bahr El Ghazal Prov. (Niamniam-land: Nabambisso River).

I. aquatica Forsk. FARU (Meshra El Zeraf), ARKALA (Kordn.)—Arab; AFAT (Meshra El Zeraf)—Dinka.

Hollow-stemmed trailing and twining herb, also floating on the water. Leaves cordate-ovate or hastate, 3-6 in. long, on long petioles. Peduncles 1-2 in. long, 1- few-flowered; cor. bright-purple, 2-3 in. long, funnel-shaped; limb spreading, 2½ in. diam.; capsule globose, ⅓ in. diam.

Kassala Prov. (Gallabat: Matamma); Between Berber & Khartoum; Fung Prov.; White Nile Prov. (Wad Shellai and edges of the Nile); Kordofan Prov.; Bahr El Ghazal Prov. (Jur Ghattas); Mongalla Prov. Most parts of the Sudan, growing in or near water.

The young shoots are eaten. It is the important factor in binding together Sudd plants.

I. near I. leucantha Webb.

Twiner with linear, hastate leaves. Cor. white with purple-lilac centre.

Fung Prov. (Jongol’s Post); Mongalla Prov. (Bor).

I. repens Lam. ABU HALAGIN—Arab; TARASHO—Bari.

Trailing perennial with hollow stem, growing on muddy banks. Leaves cordate, orbicular or reniform, 3-6 in. diam.; petiole 1-4 in. long. Peduncles 1-4 in. long, bearing a few to many flowered cyme; cor. red or purple, funnel-shaped, 2-3 in. long. Capsule globose; seeds size of a pea.

Blue Nile Prov.; White Nile Prov. (banks of the Nile); Kordofan Prov. (south, swamps); Darfur Prov.; Bahr El Ghazal Prov. (Jur-land); Mongalla Prov.

I. Batatas Lam. BOMBAY—Arab; BAMBE (red var.) or AMBIRIA & BAZAMBE (white var.)—Zande. Sweet Potato.

White, red or rarely yellow tuberous-rooted perennial. Leaves very variable, more or less trilobed, 3-4 in. long; petiole long. Cymes dense on long peduncles; cor. reddish, 1½ in. long, funnel-shaped.

Kordofan & Mongalla Provinces and other parts of the Sudan.

Cultivated for its tuber.

I. near I. Batatas Lam.

Fung Prov. (Jongol’s Post).

I. dissecta Willd.

Slender trailing herb. Leaves digitate with 5 deeply pinnatifid to pinnatisect segments, 1-1½ in. diam. Fl. 1-3 on peduncles shorter than the leaves; cor. white, funnel-shaped, ½ in. long. Caps. globose, 3-celled.

Kordofan & Mongalla Provinces.

I. pulchella Roth.

Slender twiner. Leaves deeply divided into 5 elliptic segments, the 2 lower bilobed, segments ¾-1 in. long. Fl. solitary, axillary; cor. rose-purple, ½ in. long; tube inflated, limbs spreading. Caps. ⅓ in. diam.; seeds hairy.

Khartoum Prov. (Soba); White Nile Prov. (J. Arashkol); Kordofan Prov.; Upper White Nile Prov. (Kaka).

I. palmata Forsk.

Twining herb. Leaves with 5 lanceolate segments, the 2 lower bilobed, 1-3 in. long; petiole same length, based by 2 stipular, 7-8 partite leaves. Cymes axillary, lax, few to many flowered; cor. red-purple, 1½-2 in. long, funnel-shaped. Caps. globose, under ½ in. diam.; seeds 4, white, hairy.

Khartoum, Blue Nile, Fung, White Nile, Kordofan & Mongalla Provinces.

I. dasysperma Jacq. ABU ’ELEIBA (Hillet Abbas)—Arab.

Herbaceous twiner. Leaves as above or doubly tripartite, 2-3 in. long. Fl. 1-3 on short peduncles; sepals slightly spurred at base; cor. buff with purple throat; limb spreading, 1½-2 in. diam. Caps. globose; seeds 4, orange, pilose.

Blue Nile, Fung, White Nile (Hillet Abbas) & Kordofan Provinces.

I. magnifica Hallier f.

Shrub, 4-6 ft. high. Leaves ovate-suborbicular, ab. 5 in. long, undulate, grey-pubescent beneath. Fl. solitary, axillary; cor. white-rose, 5 in. long and broad, funnel-shaped.

Bahr El Ghazal Prov. (Niamniam-land).

I. verbascoidea Choisy.

Shrub, 3-5 ft. high, with yellow or white, woolly tomentum. Leaves cordate-oblong, 3-6 in. long, with 2 glands near junction of petiole. Peduncle 1-3 flowered, up to 1 in. long; cor. rose-purple, 3-4 in. long, funnel-shaped. Caps. globose; seeds ¼ in. long, covered with fulvous wool.

Bahr El Ghazal Prov. (Bongo-land & Jur Ghattas).

I. lilacina Blume.

Strong twiner. Leaves cordate-ovate, sometimes 3-lobed, 3-4 in. long, more or less pubescent. Peduncle 2-5 in. long, many-flowered; cor. lilac-pink, 1½-2 in. long, funnel-shaped. Caps. globose; seeds hairy.

Upper White Nile Prov. (Kodok); Bahr El Ghazal Prov. (main River); Bahr El Jebel (Sudd).

I. eurysepala Hallier f.

Dwarf hairy herb. Leaves elongate-ovate, up to 2 in. long. Fl. axillary, 1-2 together; sepals nearly ½ in. long, broadly ovate; cor. ½ in. long. Caps. glabrous; seeds 4, pale-yellow.

Kordofan Prov.

I. convolvulifolia Hallier f.

Procumbent herb with fulvous hairs. Leaves cordate, subsagittate, 1 in. long, pubescent. Peduncles short, 1-2 flowered; cor. rose-red, 1 or more in. long. Caps. glabrous.

Bahr El Ghazal Prov. (Niamniam-land: Gumango hill).

I. digitata Linn.

Twiner, with fleshy, tuberous root. Leaves palmately 3-9 lobed, 4-8 in. long, shallowly cordate. Cymes compound, several to many-flowered; cor. bright red-purple, centre darker, campanulate funnel-shaped, 2-3 in. long. Caps. globose; seeds with tawny-white hairs.

Bahr El Ghazal Prov. (Niamniam-land: by the Nabambisso River, & Bongo-land: Kulongo).

The tuberous roots are used medicinally in India.

I. near I. incomta Hallier f. TUDU (J. Eliri)—Nuba.

Stout twiner. Leaves cordate ovate, silvery pubescent or tomentose. Cor. white, funnel-shaped, 2½ in. long; sepals hairy. Seeds silky-hairy.

Nuba Mts. Prov. (J. Eliri); Darfur Prov. (Kulme).

619Merremia kentrocaulos Rendle.

Twining perennial. Leaves palmately 5-7 partite, 3-6 in. long. Fl. laxly cymose; cor. yellow, red at base, funnel-shaped, 2-2½ in. long. Caps. ellipsoid, ½-¾ in. long, 2-celled; seeds 4, black.

Kassala Prov. (Gallabat: Matamma); Bahr El Ghazal Prov. (Mittu & Bongo lands); Bahr El Jebel (Nyangara).

M. pterygocaulos Hallier f.

Reddish herbaceous twiner; stem, petioles and peduncles winged. Leaves palmately 3-lobed, 2-4 in. long, deeply cordate. Cymes few to many-flowered; cor. white, or pale yellow with purple throat. Caps. globose, under ½ in. diam., seeds grey to blackish, size of a pea.

Fung Prov. (Wadi El Gamalu); Bahr El Ghazal Prov. (mouth of Bahr El Arab); Mongalla Prov. (North of Gondokoro).

M. pedata Hallier f.

Twiner. Leaves pedately 5-lobed, segments filiform. Peduncle 1-flowered; cor. probably white, streaked with purple.

Red Sea Prov. (Suakin & Khor Tamanib).

M. palmata Hallier f.

Climbing or trailing herb. Leaves palmately deeply 5-lobed, lowest pair sometimes unequally forked, 1½-2½ in. long. Peduncle 1-flowered, up to 3 in. long, thickened above; cor. probably pale-yellow, 1 in. long, funnel-shaped.

Red Sea Prov. (Khor Gweb near Tamanib).

M. pentaphylla Hallier f. ’ERG EL M’OTERASH, TĀTAMBA, SHEHER & TORFRID (Kordn.) & UM GEREISĀT (N. Kordn.), SHAG EL FIL—Arab.

Slender twiner, hirsute with yellowish hairs. Leaves deeply 5-lobed, 2-4 in. long; petiole 2-4 in. long. Peduncle as long as leaf, few or many-flowered; cor. white or yellowish, 1 in. long, campanulate funnel-shaped. Caps. ½ in. diam.; enclosed in persistent hairy sepals; seeds brown, glabrous.

Khartoum Prov.; Blue Nile Prov.; Fung Prov. (Jongol’s Post); White Nile Prov. (J. Arashkol); Kordofan Prov.

M. gallabatensis Hallier f.

Herb with only one long-stalked leaf, which is ovate-oblong, subcordate, 4 in. long, irregularly lobed. Peduncle longer than leaf; cymes dense, many-flowered; cor. about ⅔ in. long.

Kassala Prov. (Gallabat: Matamma).

M. xanthophylla Hallier f.

Trailing or climbing herb, clothed with yellow-brown hairs. Leaves pinnately 5-9 lobed, 2½ in. by 2 in., shallowly cordate. Peduncle 1-2 in. long; cymes few-flowered; cor. whitish, ½ in. long, funnel-shaped.

Mongalla Prov. (Mongalla).

M. angustifolia Hallier f.

Twiner. Leaves linear, auricled and hastate at base, 1-3 in. long. Peduncle 1-3 flowered, 1 in. long; cor. pale yellow, ab. ½ in. long. Caps. globose, ¼ in. diam.

Kordofan Prov. (J. Kon, etc.); Bahr El Ghazal Prov. (Jur Ghattas); Bahr El Jebel (Shambé, Bahr El Ghazal Prov. to Mongalla, etc.).

M. pinnata Hallier f.

Trailing or twining annual, hairy all over. Leaves pinnately divided to the midrib, 1 in. long. Peduncles 1-3 flowered; bracts linear; cor. yellow or white, small. Caps. hairy, ¼ in. diam.

Fung Prov.; Kordofan Prov.; Bahr El Ghazal Prov. (Bongo-land); Bahr El Jebel (Madi).

M. emarginata Hallier f.

Trailing herb with a long, woody root. Leaves orbicular or reniform, ½-1 in. broad. Fl. 1-2 axillary, sessile; cor. yellow with dark eye, small. Caps. globose, ¼ in. diam., glabrous.

Kassala Prov. (Gedaref); Fung Prov.; Upper White Nile Prov. (Fashoda to Barboi); Mongalla Prov. (Nuer-land).

M. convolvulacea Dennst. OWARIDA (Meshra El Zeraf)—Arab.

Slender twiner. Leaves subcordate or 3-lobed, ½-1½ in. long. Fl. 1 to many, cymose; peduncle ¼-2 in. long; cor. yellow subcampanulate, ⅓ in. long; limb ½ in. diam. with 5 violet lines. Caps. ovoid-globose, ¼ in. diam.

Fung, Kordofan, Upper White Nile, Bahr El Ghazal (Wau) & Mongalla Provinces.

The Arabs at Meshra El Zeraf believe that if the barrel of a gun be held over the smoke of a fire made with the roots of this plant, it will in future shoot straight.

620Calonyction speciosum Choisy. Moon-flower.

Stout climber; stems smooth or with fleshy tubercles. Leaves cordate-ovate, long acuminate, 4-6 in. long; petiole about as long. Peduncle as long as petiole, 1-6 flowered; 3 outer sepals abruptly aristate, ab. ¾ in. long; cor. white, salver-shaped, opening at night; tube cylindric, 3-4 in. long; limb 4-6 in. diam. Caps. large, ovoid, 1 in. long; seeds dark brown.

Kassala Prov. (Gallabat).

C. muricatum G. Don.

Wide-climbing twiner, stems with fleshy spine-like tubercles. Leaves cordate-ovate, acuminate, 4-5 in. long. Peduncle short or long, 1-6 flowered; pedicel much swollen in young fruit; cor. pale rose or lilac, opening at night; tube 2-2½ in. long, passing into a funnel-shaped limb, 2 in. diam.; cap. globose up to 1 in. diam; seeds 4, white (?or brown).

Nuba Mts. Prov.; Bahr El Ghazal Prov. (Bongo-land).

621Astrochlæna lachnosperma Hallier f. UM GHALEILA (Kordn.)—Arab.

Erect perennial with stellate hairs (as others in this genus), hairs white. Leaves ovate or elliptic, 1½-3 in. long; petiole 1-2 in. long. Fl. solitary or umbellate; cor. purple and lilac, ¾ in. long, funnel-shaped. Caps. globose, ⅓ in. diam.; seeds 4, hairy.

Kordofan Prov.; Darfur Prov. (Zalingei); Red Sea Prov. (near Akik).

A. Volkensii Dammer.

Herb, 1½-2½ ft. high. Leaves ovate, cordate or rounded at base, 1½-3½ in. long; petiole ½ in. long. Fl. axillary, cymose; cor. lilac with carmine centre; ab. 1½ in. long. Caps. globose; seeds 4, hairy.

Bahr El Ghazal Prov. (Tonj to Deim Zubeir); Mongalla Prov. (Mongalla, on ironstone).

A. Engleriana Dammer.

Herb, stellate hairs ferruginous. Leaves ovate, undulate, with dense white tomentum beneath. Cymes axillary, long-peduncled. Cor. probably lilac, 1¼ in. long, funnel-shaped.

Fung Prov. (Fazoghli); Kordofan Prov.; Bahr El Ghazal Prov. (Jur Ghattas); Moru-land.

A. malvacea Hallier f.

Erect or decumbent perennial. Leaves ovate, 2-5 in. long, white tomentose beneath. Peduncle 1 in. long, 2-5 flowered; cor. purple, 1½-2 in. long, funnel-shaped. Caps. globose; seeds 4, black.

Mongalla Prov. (Yei River); Bahr El Ghazal Prov. (Niamniam-land).

A. Stuhlmannii Hallier f.

Erect or trailing herb, with matted tawny hairs. Leaves ovate, 4-5 in. long, cuneate to cordate. Fl. in corymbose panicle; cor. lilac with purple tube, 1½ in. long. Caps. globose; seeds black, hairy.

Darfur Prov. (Kulme, & J. Marra, 5,200 ft.).

622Lepistemon africanum Oliv.

Herbaceous climber with bristly pale-brown stinging hairs. Leaves cordate-ovate, 2-6 in. long, irregularly sinuate. Cymes many-flowered; cor. white; tube ½ in. long; limb ½ in. diam. Caps. ovoid, hairy, ½ in. long.

Bahr El Ghazal Prov. (Bongo-land: Gir).

623Jacquemontia capitata G. Don.

Short twiner. Leaves ovate, ¼ in. long. Fl. in dense rusty villous heads; cor. bright blue, ab. ½ in. long.

Kordofan Prov. (common); Bahr El Ghazal Prov. (Jur Ghattas); Bahr El Jebel (Shambé & Madi).

624Convolvulus Hystrix Vahl.

Erect undershrub; branches short, hairy, ending in spines. Leaves oblong, ½ in. long. Fl. solitary, axillary, sessile; cor. ab. ½ in. long, little longer than calyx.

Red Sea Prov. (Suakin, 21° N.L., & Soturba); Berber Prov.

C. microphyllus Sieber. MURMIT (N. Kordn.) & GHUBEYRA—Arab.

Bushy herb. Cauline leaves oblong to lanceolate, ½ in. long; radical leaves narrowly spathulate, 1 in. long. Fl. 1-3 together from upper nodes of stem; sepals hairy, ¼ in. long; cor. pinkish-white, ab. ½ in. long, funnel-shaped, hairy outside. Caps. globose.

North Sudan; Red Sea Prov. (Khor Ashat; Dongola Prov. (near Wadi Allangi & Wadi El Arab); Berber Prov. (Wadi Selem); Kordofan Prov. (North, Safia).

C. Deserti Hochst. & Steud.

Small, shrubby herb. Leaves lin.-oblong, up to 1¾ in. long, hairy. Fl. 1-2 together, axillary along the stem. Cor. ab. ½ in. long, funnel-shaped.

Red Sea Prov. (Suakin & 21° N.L.).

C. rhyniospermus Hochst.

Small trailing or tufted herb, brown, hairy. Leaves oblong or oblanceolate, 1-2 in. long. Fl. axillary along the stem, solitary or clustered, enclosed in foliaceous bracts; cor. ½ in. long, hairy. Caps. globose, beaked, ¼ in. diam.

Red Sea Prov. (Suakin); Kordofan Prov. (J. Kon).

C. glomeratus Choisy.

Stiff, bushy herb or climber. Leaves lanceolate, ¼-1 in. long. Fl. in dense globose rusty-hairy heads; bracts foliaceous, ¾ in. long; sepals 5, 2 outer larger, fulvous; cor. pale-rose, ½ in. long. Caps. globose, glabrous.

Red Sea Prov. (21° N.L. to Khor Tamanib).

C. arvensis Linn. MUDDEYD—Arab.

Slender twiner. Leaves ovate-hastate, 1-2 in. long. Fl. 1-3 on long peduncles; cor. deep-rose, funnel-shaped, ¾ in. long. Caps. globose, ¼ in. diam.

White Nile.

The plant is said to be eaten by goats and cattle.

C. fatmensis Kunze. ULLEYA—Arab.

Diffuse herb, 1-2 ft. high. Leaves cordate-ovate, deeply crenate, auricled, ½-1½ in. long. Fl. 1-2 on axillary peduncles; cor. white with brown stripes, under ½ in. long, hairy outside. Caps. globose, ¼ in. diam.

Kordofan Prov.

625Evolvulus alsinoides Linn.

Bushy herb. Leaves elliptic to lanceolate, ½-1 in. long, hairy. Peduncles 1-3 flowered; cor. bright blue, rarely white, funnel-shaped, ¼ in. diam.; styles 2, forked. Caps. globose, minute.

North Sudan; Red Sea Prov. (21° N.L. & Has Has); Blue Nile Prov. (J. Moya); Nuba Mts. Prov. (Kadugli); Darfur Prov. (Kulme & 40-80 m. N.E. of Fasher); Bahr El Ghazal Prov. (Kutshuk Ali); Mongalla Prov. (Mongalla).

Used as febrifuge and tonic.

E. nummularius Linn.

Small trailing herb; stems shortly hairy, rooting at the nodes. Leaves orbicular, ab. ½ in. diam. Fl. few, solitary in axils of leaves; sepals ovate, ciliate; cor. white, deeply lobed, ¼ in. long. Caps globose, ⅙ in. diam; seeds 2-4, black or brown.

Bahr El Ghazal Prov. (Bongo-land: Lehsi River); Mongalla Prov. (Mongalla).

E. agrestis Schwfth.

Tufted or climbing annual with reddish hairs. Leaves lanceolate, ¾-1½ in. long. Peduncles axillary, 1-2 flowered, bearing characteristic hairs; bracts linear; sepals ciliate-hairy; cor. ¼ in. long. Caps. ¼ in. diam.; seeds black.

Red Sea Prov. (21° N.L.).

626Seddera virgata Hochst. & Steud.

Much branched, virgate undershrub with white appressed hairs. Leaves sessile, distant, linear, ½-1 in. long. Fl. in sparse racemes at end of branchlets; sep. obovate; cor. broadly funnel-shaped, ¼ in. long, with hairy mid-petaline area; styles 2, almost from base. Caps. globose, ⅙ in. diam.

Red Sea Prov. (Wadi Omari, J. Waratab, Suakin); Khartoum Prov. (rocky hills); Mongalla Prov. (Mongalla).

S. arabica Choisy.

Much-branched virgate undershrub with yellowish pubescence. Leaves subsessile, elliptical, ab. ½ in. long. Fl. usually solitary, axillary; sep. small, elliptic to obovate; cor. ⅓ in. long, limb ¼ in. diam.; styles 2, free from the base.

Red Sea Prov. (Erkowit, Khor Tamanib).

627Dichondra repens Forst.

Pubescent, trailing perennial, rooting from the nodes. Leaves reniform, ¼-1 in. broad, more or less silky; petioles long. Fl. axillary, solitary; calyx minute, pilose; cor. yellow, deeply 5-fid., minute; stigmas capitate. Caps. 2-lobed, 1-seeded.

Mongalla Prov. (Gondokoro).

628Cressa cretica Linn. EL HĀD (N. Kordn.), NADAWE, ABU HOSABA, MULLEY, SEBAKH & NU’EM—Arab.

Low, shrubby perennial. Leaves ovate to lanceolate, ⅙ to ¼ in. long. Fl. in dense bracteate spikes at end of branchlets; calyx hairy, minute; cor. ab. ¼ in. long; styles 2, free. Caps. ovoid, minute, 1-seeded.

Red Sea Prov. (near Suakin); Kordofan (Shersha, on salt pans).

The plant is used as a tonic.

629Cuscuta planiflora Ten. Dodder.

Leafless parasitic twiner with pink stems; germinates in the ground, but later sustains itself entirely on the juices of its host. Fl. in dense globose sessile clusters; fl. pentamerous pale-pink or whitish, globose-urceolate, very minute.

Red Sea Prov. (coast to between 3,000 & 4,000 ft., Suakin 21° N.L.); Darfur Prov. (J. Marra, high altitudes).

C. arabica Fres.

Differs by smaller flower-clusters.

Red Sea Prov. (21° N.L.); Blue Nile Prov. (Kamlin).

C. obtusiflora var. cordofana Engelm.

Stems stouter, bright yellow.

Kordofan Prov.

C. hyalina Roth.

Stems slender, almost translucent. Fl. minute, stalked, cymose.

Red Sea Prov. (Suakin); Kordofan Prov.

SCROPHULARIACEÆ.

630Aptosimum pumilum Benth.

Dwarf tufted herb. Leaves usually alt., linear, 1-3 in. long, scabrid-pubescent. Fl. solitary or several axillary; cor. white outside and blue inside, 5-lobed; st. didynamous. Caps. globose, emarginate, compressed at apex.

Nuba Mts. Prov. (J. Kon); Darfur Prov. (48-80 m. N.E. of El Fasher).

631Anticharis arabica Endl.

Glandular-pubescent annual, 1 ft. high. Leaves alt., oblong-lanceolate to lin.-lanceolate, up to 1¼ in. long. Fl. axillary, solitary; cor. pink, viscid, ¼ in. long, lobes 5, subequal; st. 2, 1-celled. Caps. narrowly ovoid, beaked, ¼ in. long.

Red Sea Prov. (Suakin J. Waratab, Soturba); between Suakin & Berber (Wadi Omareg).

A. linearis Hochst. NIDEIĀNA (N. Kordn.)—Arab.

Erect glandular-pubescent annual, up to 1 ft. high. Leaves sessile, linear, up to 2 in. long. Fl. solitary on ½ in. long axillary peduncle with 2 bracts above middle; calyx deeply 5-cleft; cor. white, under ½ in. long; lobes 5, subequal; st. 2, anther-lobes basally acuminate; stigma bifid. Caps. ⅓ in. long, beaked or acuminate.

North Sudan (coast region, between Suakin & Berber); Banks of the Nile north of Khartoum; Between Goz Regeb & Kassala; Khartoum Prov. (J. Royan); Blue Nile Prov. (Rufaa); White Nile Prov. (J. Arashkol); Kordofan Prov. (El Obeid, Bara); Darfur Prov.

632Verbascum Ternacha Hochst. Mullein.

Tall herb with dense white or yellowish woolly tomentum. Lower leaves oval or oblong, crenate or serrate; petiole 1-2 in. long; upper leaves smaller subamplexicaul. Panicles 18 in. long, branches 6-12 in. long, spreading; fl. clustered along the branches, 5-merous, rotate; cor. yellow, ¾ in. diam.; filaments bearded. Caps. ovoid, ¼ in. long.

Dongola, Red Sea & Darfur Provinces.

633Linaria hastata R. Br.

Herb, up to 1 ft. high. Leaves opp. below, alt. above, linear to lanceolate, hastate, ½-1 in. long. Peduncles axillary, ab. 1 in. long; calyx 5-partite, small; cor. yellow, ¼ in. long, 2-lipped, with small spur; st. 4, didynamous, woolly; stigma emarginate; caps. ovoid, minute.

Red Sea Prov. (Hakeko, Port Sudan District).

L. Bentii Skan.

Densely glandular pubescent undershrub, ab. 1 ft. high. Leaves subopp. below, alt. above, ovate to triangular, cordate, ⅓ in. long. Fl. axillary, solitary, subsessile; cor. 2-lobed, spurred, ab. ½ in. long. Caps. globose-ovoid, minute.

Red Sea Prov. (21° N.L.).

L. nubica Skan.

Glandular-pubescent, subscandent annual. Leaves opp. below, alt. above, triangular to ovate, broadly cordate, ab. 1 in. long. Fl. axillary, solitary; cor. 2-lobed and spurred, under ½ in. long, hairy. Caps. ovoid, pubescent, small.

Red Sea Prov. (21° N.L., sea-coast to between 3,000 & 4,000 ft.).

L. ægyptiaca Dum.

Low, bushy shrublet, covered with gland-tipped hairs. Leaves ovate or ovate-lanceolate, acute, ¼ in. long. Flowers axillary, solitary, yellowish; pedicels ½ in. long.

Kassala Prov. (Gallabat, Gendua River); Darfur Prov. (J. Marra 9,500 ft.).

L. sagittata Hook. f.

Subscandent or procumbent perennial. Leaves linear to lanceolate, sagittate or hastate or cuneate, ¼-2 in. long. Fl. axillary; peduncles ¼-½ in. long; cor. yellow, pilose outside, bilobed, ¾ in. long, spur ½ in. long; filaments densely pilose. Caps. globose, minute.

Red Sea Prov. (J. Waratab, Wadi Omareg, between Suakin & Erkowit, Dongonab).

634Schweinfurthia pterosperma A. Braun.

Herb, 6-9 in. high. Leaves alt., elliptic-spathulate to lin.-oblong, up to 1 in. long. Fl. solitary; calyx small, 5-partite; cor. ¼ in. long, gibbous at base, 2-lipped, white, pink at throat. Caps. subglobose, ¼ in. diam.; seeds with 6 subwinged ridges.

Red Sea Prov. (Suakin & coast region, J. Waratab); Between Suakin & Berber.

635Scrophularia arguta Ait.

Branched, glandular-pubescent herb, up to 2 ft. high. Leaves broadly ovate, subcordate, irregularly dentate, up to 3 in. long; petiole ½-1 in. long. Fl. in terminal cymose panicles; calyx 5-fid, minute; cor. ventricose, 5-lobed, 1 lobe larger, hardly exceeding calyx, deep-red. Caps. ovoid, beaked.

Red Sea Prov. (Erkowit, Khor Tamanib, & 21° N.L.).

636Antirrhinum Orontium Linn.

Glandular hairy herb, up to 2 ft. high. Lower leaves opp., upper alt., linear to lanceolate, 1-2 in. long. Fl. solitary in upper axils of leaves; calyx 5-partite; cor. 2-lipped, rose with purple veins, ¼-¾ in. long, tube gibbous. Caps. obliquely ovoid, up to ½ in. long, hispidly hairy.

Red Sea Prov. (21° N.L. and other places); Darfur Prov. (J. Marra: Niurnya, 6,500 ft.).

637Sutera glandulosa Roth.

Small diffuse viscid-pubescent herb. Leaves ovate or oblong, incised-dentate, pinnatifid or dissected, ¼-1 in. long, lower opp., upper alt. Fl. in upper axils of leaves; calyx 5-partite, minute; cor. ⅙ in. long, white, tube not dilated, lobes small, 2 smaller; st. 4, included; style shortly 2-lobed. Caps. ovoid, minute.

Near Wadi Halfa (between Korosko & Derr); Dongola Prov. (Debba); Near Khartoum Prov.; White Nile Prov. (El Ehs).

638Lindenbergia abyssinica Hochst.

Glandular-pubescent or pilose perennial. Leaves opp. or upper alt., broadly-ovate, cuneate to subcordate, ½ in. long, coarsely crenate-dentate. Fl. in leafy terminal, secund racemes; cor. ⅔ in. long, 2-lipped, postichous lip 2-lobed, antichous 3-lobed. Caps. ovoid, ⅓ in., pubescent.

Red Sea Prov. (Suakin, Erkowit, Khor Tamanib, Wadi Omareg).

639Stemodia serrata Benth.

Small branched viscid glandular-pubescent herb. Leaves opp. or verticillate, rather crowded, oblong or lanceolate, up to 2 in. long, serrate above middle. Fl. crowded in leafy spike-like racemes; bracts 2, near calyx, which is 5-partite, ¼ in. long; cor. bluish, slightly longer than calyx, 2-lipped, upper emarginate, lower shortly 3-lobed. Caps. ¼ in. long, 4-furrowed.

Fung Prov. (Fazoghli); White Nile Prov. (J. Arashkol); Nuba Mts. Prov. (J. Kurun); Upper White Nile Prov. (Kaka woodstation).

640Limnophila gratioloides R. Br.

Marsh herb, usually 5 in. high. Leaves verticillate and opposite, submerged leaves in filiform segments, upper gland-dotted, linear to elliptic-oblong. Fl. axillary on ½ in. long glandular-pubescent pedicels; calyx 5-partite, glandular, small; cor. white, ab. ⅓ in. long; st. 4, each pair or only lower pair of anthers cohering. Caps. minute.

White Nile & Upper White Nile Provinces (Debeiker to Hillet Abbas); Bahr El Ghazal Prov. (Jur Ghattas & mouth of Bahr El Arab).

641Moniera calycina Hiern.

Gland-dotted glabrous herb, 6-12 in. high. Leaves opp., lanceol. to ovate, 1¼ in. long, crenate-serrate, solitary; calyx 5-partite, ¼ in. long, larger in fruit; cor. white, ⅓ in. long, 2-lipped, upper emarginate, lower deeply 3-lobed. Caps. ⅙ in. long, ellipsoid, gland-dotted.

Bahr El Ghazal Prov. (Bongo-land: Dukutu).

M. floribunda T. Cooke.

Small gland-dotted scabrid herb. Leaves linear to narrowly oblong, ½-2½ in. long. Fl. axillary, solitary or in pairs; calyx 5-partite, ab. ¼ in. long; cor. blue or violet with yellow throat, ⅙ in. long, upper lip emarginate, lower 3-lobed. Caps. ellipsoid, minute.

Bahr El Ghazal Prov. (Jur Ghattas & Gir in Bongo-land); Mongalla Prov. (Gameiza woodstation).

M. punctata Skan.

Small glandular-punctate herb; stem quadrangular. Leaves linear or lin.-lanceolate, sessile, ab. 1 in. long. Fl. axillary, solitary, subsessile; calyx under ¼ in. long; cor. ⅙ in. long, shape as above. Caps. globose, minute.

Bahr El Ghazal Prov. (Jur Aggada & Jur Ghattas).

642Dopatrium luteum Engl.

Aquatic herb, up to 1 ft. high. Lower leaves strap-shaped, ½-1 in. long, upper scale-like. Fl. in terminal raceme; calyx small, 5-fid; cor. showy, yellow, ab. 1¼ in. long, upper lip emarginate, lower 3-partite; st. 2 perfect and 2 rudimentary. Caps. subglobose, under ¼ in.

Bahr El Ghazal Prov. (Bongo-land).

D. tricolor Engl.

Herb, 1½ ft. high. Radical leaves crowded, linear, 1½-2¼ in. long, upper scale-like. Fl. in terminal raceme; calyx small, 5-fid; cor. tube ½ in. long, whitish, upper lip violet, ¼ in. long, emarginate, lower lip violet with yellow central lobe, under ½ in. long.

Bahr El Ghazal Prov. (Bongo-land).

643Mimulus gracilis R. Br.

Erect herb, up to 20 in. high; stem narrowly 4-winged. Leaves opp.-lanceolate to narrowly-oblong, ¾-2 in. long, amplexicaul, sometimes denticulate. Fl. solitary, axillary on ped., 2 in. long; calyx 5-angled, dentate, ab. ⅓ in. long; cor. white or light pink, over ½ in. long, unequally bilabiate. St. 4, didynamous. Caps. obovoid, ¼ in. long.

Darfur Prov. (J. Marra: Kurra, 5,200 ft.).

644Craterostigma Schweinfurthii Engl.

Perennial 6 to 18 in. high; stems quadrangular. Leaves opp., 3-nerved, elliptic-lanceolate, up to ¾ in. long. Fl. terminal, subcapitate; calyx nearly ¼ in. long, 5-angled, 5-toothed; cor. violet, over ½ in. long, 2-lipped, upper suborbicular, lower 3-lobed; st. 4; filaments arching and with gibbous base; anthers cohering in pairs; stigma somewhat funnel-shaped.

Bahr El Ghazal Prov. (Bongo-land: Lessi River).

645Torenia spicata Engl.

Dwarf herb with narrowly 4-winged stems. Leaves opp., sessile, unequal above, lanceolate, up to 9 in. long. Lower fl. axillary, upper in spike-like racemes; calyx ⅙ in. deeply 2-lipped, 5-winged; cor. pink, blue or white, ⅙ in. long, upper lip 2-fid, lower 3-lobed; st. 4; filaments toothed at base, arched. Caps. ovoid, under ¼ in.

Bahr El Ghazal Prov. (Jur: between Jur Ewet: Abu Gurun’s Zariba).

T. parviflora Buch.-Ham.

Straggling herb, up to 18 in. high. Leaves opp., ovate to or.-lanceolate, ½-1 in. long, serrate-crenate. Fl. solitary or 2-6 fascicled; calyx ⅓ in., 2-lipped, 5-winged; cor. white to purple, over ⅓ in. long; st. as above. Caps. ⅓ in. long, oblong.

Bahr El Ghazal Prov. (Jur Ghattas).

646Lindernia lobelioides Engl.

Herb, ½-1 ft. high, much like a small Lobelia in appearance. Leaves opp., linear, 1 in. long, upper unequal. Fl. axillary, solitary; calyx 5-fid, ¼ in. long; cor. deep blue, nearly ½ in. long, upper lip ovate truncate, lower 3-lobed; st. 4, filaments arched, toothed at base, anthers cohering. Caps. linear-oblong, ½ in. long.

Bahr El Ghazal Prov. (Jur Ewet, Bongo-land: Gir & Lessi River); Darfur Prov. (J. Marra: Niurnya 6,500 ft.); Bahr El Jebel (Madi).

L. debilis Skan.

Prostrate small herb. Leaves opp., linear-lanceolate, up to ½ in. long, sessile. Fl. solitary in upper axils; calyx 5-ribbed, minute; cor. ⅙ in. long, upper lip purplish, emarginate, lower 3-lobed, yellow, streaked purple. Capsule oblong, minute.

Bahr El Ghazal Prov. (Bongo-land: Gir).

647Ilysanthes parviflora Benth.

Small herb. Leaves opp., ovate to oblong, up to ½ in. long, gland-dotted. Fl. axillary or in terminal racemes; calyx 5-partite, minute; cor. violet, blue or white; tube cylindrical ab. ¼ in. long, upper lip bifid, lower spreading, 3-lobed; st. 2 perfect and 2 rudimentary. Caps. ovoid.

Dongola Prov. (Island near Debba); Fung Prov. (Jongol’s Post, Roseires, Famaka); Bahr El Ghazal Prov. (Jur Ghattas, Bongo-land: Gir).

I. trichotoma Urban.

Dwarf herb with short, stiff branches. Leaves opp., linear-oblong, ⅓ in. long, sessile, otherwise much as above.

Bahr El Jebel (Madi rocks).

I. Schweinfurthii Engl.

Small herb, 4-8 in. high. Leaves linear, under ½ in. long. Fl. in a loose raceme; cor. lilac, otherwise as above.

Bahr El Ghazal Prov. (Niamniam-land: Gumango hill & Ibba River).

648Scoparia dulcis Linn.

Herb or undershrub. Leaves opp., ternate or verticillate, lin.- to elliptic-lanceolate, ¼-1½ in. long, serrate above middle, punctate. Fl. axillary, solitary or geminate; calyx minute, densely glandular, 4-lobed; cor. white, ⅛ in. long, rotate, 4-lobed, densely bearded at throat; st. 4; caps. ovoid, minute.

Bahr El Ghazal Prov. (Jur Ghattas, Jur River); Bahr El Jebel (Shambe, Bahr El Ghazal Prov. to Mongalla, Mongalla Prov.); Darfur Prov. (Kulme); Bahr El Ghazal Prov. (Niamniam-land).

Used in native medicine throughout Tropical Africa.

649Veronica Anagallis Linn. HABAQ—Arab.

Glandular-pubescent herb, 1-2 ft. high. Leaves opp., lanceolate, sessile, 1-3½ in. long, semi-amplexicaul. Racemes 2-3 in. long in upper axils; calyx 4-partite, minute; cor. blue or pinkish, 4-partite, limb spreading, lobes of 3 sizes; st. 2, exserted. Caps. orbicular, minute.

Dongola Prov. (Nile banks between Old Dongola & Korti); Blue Nile Prov. (Wad Medani, Sheikh Talha); Darfur Prov. (J. Marra: Niurnya, 6,500 ft.).

650Alectra communis Hemsl.

Very scabrid herb. Leaves ovate-triangular, coarsely dentate, about 1 in. long. Flowers subsessile in the leafy bracts. Calyx lobes pectinate-ciliate.

Darfur Prov. (J. Marra: Mid-Robo 8,300 ft.).

651Buchnera capitata Benth.

Annual, 1-2 ft. high. Leaves opp. or upper alt., linear to oblong-lanceolate, ¾-3 in. long, sessile, scabrid. Fl. in terminal short dense spikes, ¼-1⅓ in. long; fl. in axils of bracts and bracteoles; calyx 5-toothed, ⅙ in. long; cor. white, ¼ in. long; tube curved, slender, pilose, lobes subequal, 5. Caps. ovoid, minute.

Bahr El Ghazal Prov. (Niamniam-land: Merdgan’s Zeriba).

B. hispida Ham.

Hispid herb, 6-20 in. high. Leaves elliptic to oblong, up to 3 in. long (upper oblong-lanceolate to linear) toothed, scabrid. Fl. in 6 in. long spikes, bracteate and bracteolate; calyx 5-toothed, ¼ in. long, densely hispid; cor. ab. ½ in. long, tube cylindric, lobes 5, obovate, short; st. 4. Caps. elliptic-oblong, ¼ in. long.

Darfur Prov. (J. Marra, 6-7,000 ft.).

652Striga orobanchoides Benth. NAR or NUR EL ASSAD—Arab; DAI (Meshra El Zeraf)—Dinka.

Much branched herb, 3-18 in. high, parasitic on roots of some Leguminosæ, etc. Leaves scale-like, lanceolate, up to ½ in. long. Spikes terminal; fl. bracteate and bracteolate; calyx 5-toothed, ¼-½ in. long; cor. white, purple or red-brown; tube ½ in. long, bent and inflated, limb 2-lipped, upper 2-lobed, lower 3-lobed. St. 4, didynamous, anthers 1-celled. Caps. ovoid-oblong ¼ in. long.

Red Sea Prov. (Khor Tamanib, Suakin); Kassala Prov. (Gallabat, Matamma); Fung Prov. (Jongol’s Post); White Nile & Upper White Nile Provinces (J. Arashkol, Wad Shellai to Meshra El Zeraf); Kordofan Prov.; Mongalla Prov. (Sheikh Tombé & Mongalla).

Parasitic on Cissus quadrangularis, Indigofera sp., etc.

S. aspera Benth. var. Schweinfurthii Skan. TU—Krej.

Herbaceous hispid and scabrid root-parasite, growing on Dura. Leaves opp. or upper alt., linear, ½-1½ in. long. Spikes terminal, lax-flowered up to 8 in. long; bracts and bracteoles hispid; calyx nearly ½ in. long, 5-toothed, uppermost tooth smallest; cor. pink, tube ½ in. long curved and inflated, upper lip obovate emarginate, 3-lobed. Caps. ellipsoid, ¼ in. long.

Fung Prov. (Jongol’s Post); Bahr El Ghazal Prov. (Jur-land & Deim Zubeir).

Parasitic on Dura.

S. Forbesii Benth.

Erect herb, up to 15 in. high, scabrid. Leaves opp. or sub-opp., lin.-lanceolate or lanceolate, 1-2 in. long, toothed, scabrid. Fl. solitary in axils of upper leaves; bracteoles linear, hispid; calyx deeply 5-lobed, scabrid, lobes lin.-lanceolate, up to ⅓ in. long, unequal; cor. pink, scarlet or yellow, tube ¾-1 in. long, sharply curved and inflated, upper lip subtruncate or shortly 2-lobed, up to ¼ in. long, lower 3-lobed up to nearly ½ in. long. Caps. oblong, ¼-⅓ in. long.

Kassala Prov. (Gallabat: Matamma); Fung Prov. (Jongol’s Post); Mongalla Prov. (Shambé to Mongalla Prov.).

S. senegalensis Benth.

Closely resembles S. hermonthica and may be a small-flowered form. Cor. purple or red, tube ab. ½ in. long, upper lip up to ¼ in. long, lower up to ⅓ in. long.

Kordofan Prov. (Gefil); Upper White Nile Prov. (Dinka country).

S. hermonthica Benth. EL WEIN (Merowe), SEGAR (Meshra El Zeraf) & (more commonly) BUDA—Arab.

Branched herb, parasitic on Dura and Dukhn, 1-2 ft. high. Leaves linear to lanceolate, 1-3 in. long, hispid and scabrid. Spikes terminal, 6 in. long; calyx 5-toothed, upper smaller; cor. pink; tube ¾ in. long, curved and inflated, upper lip 2-lobed, ⅓ in. long, lower 3-lobed, ½ in. long. Caps. ellipsoid, ¼ in. long.

Kassala Prov. (Gallabat, Matamma); Dongola Prov.; Berber Prov.; Khartoum Prov.; Blue Nile Prov. (Sennar); Fung Prov. (Roseires & Jongol’s Post); White Nile Prov.; Bahr El Ghazal Prov. (Jur-land, Jur Ghattas); Darfur Prov. (Zalingei). Parasitic on Sorghum, Andropogon, Zea, etc.).

A decoction in salt and water is applied externally for sun headache.

S. glandulifera Engl.

Branched herb, 6-8 in. high, pilose and scabrid. Leaves opp. and subopp., narrowly linear, up to 1¼ in. long. Spikes terminal, 4 in. long; fl. paired; calyx 5-toothed, ¼ in. long; cor. deep rose, tube ½ in. long, curved and inflated, glandular-pubescent, upper lip under ¼ in. long, slightly emarginate, lower lip 3-lobed, short. Caps. oblong, 1/7 in. long.

Bahr El Ghazal Prov. (Niamniam-land).

S. strictissima Skan.

Densely hispid herb. Leaves lin.- or lanc.-subulate, under ½ in. long, closely appressed in distant pairs. Spikes terminal, up to 4 in. long; fl. paired in leaf-like bracts; calyx ¼ in. long, 5-toothed, upper smaller; cor. dull-pink, tube ½ in. long, curved and inflated, hairy, upper lip ⅛ in. long, truncate and toothed, lower 3-lobed, 1/12 in. long.

Bahr El Ghazal Prov. (Wau).

S. lutea Lour.

Branched parasitic herb, 6-9 in. high, scabrid. Leaves alt. or opp., narrowly linear or lanceolate, ¼-1½ in. long. Spikes terminal, 4-6 in. long, distant-flowered; bracts ¼ in. long, linear; calyx ¼ in. long, 10-ribbed and 5-toothed; cor. yellow, red or white, tube ab. ½ in. long, suddenly bent above, upper lip obovate, lower 3-lobed, ¼ in. long. Caps. oblong ovoid, ⅙ in. long.

Kassala Prov. (Gallabat: Matamma); Fung Prov. (Jongol’s Post); Bahr El Ghazal Prov. (Jur Ghattas & Bongo-land); Darfur Prov. (Kulme).

653Rhamphicarpa fistulosa Benth.

Erect branched herb, usually ab. 1 ft. high. Leaves pinn.- or bi-pinnatisect, up to 3 in. long, segments linear; fl. axillary solitary; calyx campanulate, 5-fid, ¼ in. long; cor. white, tube slender, 1-2 in. long; limb spreading, ½-¾ in. diam., 5-lobed, 2 more connate. Caps. ovoid, compressed, almost 2-winged, ⅓-½ in. long.

Nile River (Island near Debba in Dongola Prov.); White Nile Prov. (J. Arashkol); Bahr El Ghazal Prov. (main river from Meshra El Rek to Lake No); Niamniam-land (Nabambisso River); Bahr El Jebel (Madi Swamps).

R. Heuglini Hochst.

Small branched herb. Leaves lin.-lanceolate to lanceolate, ½-2 in. long, hispid or scabrid. Fl. axillary in upper leaves, solitary; calyx tubular campanulate, ¼-½ in. long, 5-lobed; cor. white to mauve, tube ab. 1 in. long, glandular, limb 1-2 in. diam, spreading, 5-lobed, 2 more connate. Caps. obliquely ovoid ab. ⅓ in. long, beaked.

Khartoum Prov. (near Khartoum); Bahr El Ghazal Prov. (Meshra El Rek); Mongalla Prov. (Bor).

654Cycnium camporum Engl.

Tufted herb, up to 1 ft. high, pilose. Leaves lanc. to oblong-lanceolate, 1-3 in. long, crenate-serrate. Fl. usually opp., supra-axillary; calyx tubular, ½-⅔ in. long, campanulate in fruit, 10-ribbed, hispid; cor. white or pale yellow, tube 1¾ in. long, glandular, gibbous, limb 1¼ in. broad, spreading, 5-lobed. Caps. oblong ⅓ in. long.

Bahr El Ghazal Prov. (Jur: by the Wau River & Jur Ghattas, Niamniam-land: Nabambisso River).

C. adonense E. Meyer.

Robust scabrid herb, up to 1 ft. high. Leaves oblong or oblong-lanceolate, 1-3 in. long, crenate to serrate. Fl. axillary; calyx tubular, 1¼ in. long, densely hairy, 10-12 ribbed; cor. white or lilac, tube 2-3 in. long, gibbous, glandular, limb 2-3 in. diam., spreading, 5-lobed. Caps. ovoid or elliptic, ½ in. long.

Mongalla Prov. (Yei River).

C. brachycalyx Schweinf.

Shrubby herb, pubescent all over, 1 ft. high; stems angular. Leaves lanceolate, 2½ in. long, serrate dentate. Fl. solitary, opp., supra-axillary; calyx campanulate, 1 in. long, 3 lobes broader than others; cor. tube 1¼ in. long, limb ab. ½ in. diam., lobes 5, orbicular, spreading.

Kassala Prov. (by Gendua River).

655Sopubia ramosa Hochst.

Scabrid undershr., 2-4 ft. high. Leaves in whorls of 3-4, linear or lin.-lanceolate, up to 1½ in. long. Fl. terminal racemose in whorls of 3-4; cor. coppery-purple or white with purple spot at base of each lobe, ab. ½ in. long, tube short, limb spreading, lobes 5, obovate; anthers 4, coherent in pairs. Caps. ovoid, ¼ in. long.

Bahr El Ghazal Prov. (Niamniam-land: at Nganye & Bongo-land: at Sabbi); Darfur Prov. (Jebel Marra, 6,500-7,500 ft.).

S. simplex Hochst.

Pubescent herb, branching from base, 1-3 ft. high. Leaves alt. or ternate, ⅙-1 in. long, appressed, scabrid. Fl. alt. or whorled in terminal racemes, up to 1 ft. long; cor. pink, or reddish-brown, under ½ in. long, limb spreading, lobes 5, obovate. Caps. ovoid, ¼ in. long.

Bahr El Ghazal Prov. (Niamniam-land: Sueh River, Mittu-land: near Kuffulu-Ku); Mongalla Prov. (Yei River).

S. parviflora Engl.

Annual, 1-2 ft. high; stem 4-angled. Leaves opp., filiform, ⅓-¾ in. long, revolute, scabrid. Fl. in terminal racemes; cor. pale-brown, purple at throat, ⅓ in. long, lobes 5, spreading, obovate. Caps. subglobose, minute.

Bahr El Ghazal Prov. (Jur Ghattas).

656Micrargeria scopiformis Engl.

Rigid herb, 1-2½ ft. high, branching like a broom. Leaves opp., filiform, ¼-2 in. long, scabrid. Fl. in terminal racemes, 1-6 in. long; cor. pale purple, streaked dark purple at base of tube which is exserted and enlarged above, ab. ⅓ in. long, limb spreading, 5-lobed, lobes suborbicular ab. ⅙ in. wide.

Bahr El Ghazal Prov. (Jur Ghattas, Bongo-land: Sabbi).

OROBANCHACEÆ.

657Cistanche lutea Hoffmgg. & Link. ERG EL TUNDUB (Khartoum), NAR EL FIL (Atbara), ERG EL MOYA, also ERG EL SHAGAT (Fung), HALUK, TURFAS & SIBB EL ARD—Arab.

Fleshy root-parasite with spirally arranged scale-like leaves and yellow flowers; st. 4 didynamous; anthers bearded.

Red Sea Prov.; Berber Prov. (Atbara); Khartoum, Blue Nile & Fung Provinces.

Parasitic on Capparis decidua, Acacia arabica, Zizyphus, etc.

658Orobanche cernua Loef. var. Desertorum Beck.

Stout parasitic herb, up to 16 in. high, covered with glandular and cobweb-like pubescence and scaly leaves. Spikes cylindric, many-flowered, 8 in. long; cor. bluish-white, ¾ in. long, 2-lipped, upper 2- and lower 3-lobed.

Red Sea Prov. (21° N.L.).

O. ramosa Linn. HALUK—Arab.

Slender branched herb, 1 ft. high, glandular-hairy; scales ovate to ovate-lanceolate, ¼-½ in. long. Fl. in spikes; cor. pale-yellow with a blueish limb, ab. ½ in. long, upper lip 2-lobed, lower 3-lobed.

Khartoum Prov. (Khartoum).

Parasitic on Tomatoes.

LENTIBULARIACEÆ (Bladder-worts).

659Utricularia exilis Oliver.

Delicate dwarf herb; stems creeping filiform; leaves narrowly spathulate or ligulate, ¼ in. long, deciduous before flowering, with small bladders attached to stem and leaves, scape 1-2 in. high, 2-3 flowered; cor. white, yellow or purple, 2-lipped, ab. ⅙ in. long; st. 2.

Bahr El Ghazal Prov. (Jur Ghattas).

U. Schweinfurthii Baker.

Delicate twining annual. Leaves unknown. Scapes filiform, twining, up to 6 in. long; fl. up to 6, distant; cor. pale-purple, 2-lipped, spurred; st. 2.

Bahr El Ghazal Prov. (Bongo-land: Gir).

U. subulata Linn.

Herb, 3-4 in. high, giving out bladder-bearing runners verticillately from base of scape. Leaves lin.-lanceolate, rosulate at base of scape, ¼ in. long. Scape 1-6 flowered; cor. yellow, ¼ in. long, 2-tipped, spurred; st. 2.

Bahr El Ghazal Prov. (Jur Ghattas) (Sub-terrestrial).

U. Thonningii Schumach.

Floating aquatic herb, ab. 1 ft. long. Stem slender bearing verticils of bladder-bearing pectinate-filiform leaves and scapes bearing near their base a verticil of up to 6 spindle-shaped floats and above 3 to many flowers. Sepals 2, enlarged in fruit; cor. pinkish, 2-lipped and spurred; st. 2.

White Nile Prov. (J. Arashkol, near Abba Island, & Lake Tura Um Kenen); Bahr El Jebel (Sudd); Fung Prov. (Jongol’s Post).

U. stellaris Linn. f.

Much like above, but flowers yellow.

White Nile Prov. (J. Arashkol & Um Kenen); Upper White Nile Prov. (Tonga); Bahr El Ghazal Prov. (Bongo-land: Gir, & Jur-land: Wau).

U. reflexa Oliver.

Floating aquatic herb. Leaves as above but bladders larger (up to ⅙ in. long), up to 8 to a leaf. Scapes without floats, 1-6 in. long, 1-3 flowered; cor. yellow, ⅓ in. long, 2-lipped, spurred.

Bahr El Ghazal Prov. (Jur Ghattas & Main River).

U. exoleta R. Br.

Small aquatic plant; stems filiform. Leaves with few slender segments or replaced by small bladders. Scapes floatless, 2-3 in. long, 2-3 flowered; cor. yellow, ¼ in. long, 2-lipped and spurred. Caps. globose exceeding calyx.

Kassala Prov. (Gallabat: Matamma); White Nile Prov.; Upper White Nile Prov. (Khor Attar); Bahr El Ghazal Prov. (Meshra El Rek & Ghabat El Arab, on Main River).

U. incerta Kam.

Floating aquatic herb; stems long, filiform. Leaves bipinnate, pinnæ ¼ in. long.

Bahr El Ghazal Prov. (Main River).

BIGNONIACEÆ.

660Spathodea nilotica Seem. The African “Tulip-tree.”

Tree, ab. 20 ft. high. Leaves opp. or ternate, 5-16 in. long; leaflets 9-15, ovate-oblong, 1½-4 in. long, pubescent below. Fl. in dense terminal corymbose racemes; calyx boat-shaped, 2 in. long; cor. orange-scarlet, 3-4½ in. long, 2-lipped. Caps. 8 in. long, lanceolate-oblong; seeds winged, 1 in. long.

Bahr El Ghazal Prov. (Niamniam-land: by the Manisilli Brook); Mongalla Prov.

A very handsome tree. The wood is white and very soft; density 0.363.

661Stereospermum kunthianum Cham. KHASHKHASH & KHASHKHASH ABIAD (Fung), SAMR (Kordn.), & SUWEID (Medani)—Arab; TETERLING (J. Daier), KARII (J. Eliri), & N’DULA (Kadugli)—Nuba; LUJURUT—Bari; WULIADO (Bahr El Ghazal), & KONGGOGOI (Goz El Siada)—Dinka; CHOKO—Golo; FUNNA—Burun; BARISANGO—Zande.

Tree up to 50 ft. high, with light-coloured flaking bark. Leaves opp. imparipinnate 6-14 in. long; leaflets 5-9 ovate or elliptic-oblong, 1½-5 in. long. Fl. in terminal large cymose panicles; cor. pink with carmine lines, 1½ in. long, tube funnel-shaped; st. 4. Caps. cylindric, 1-2 ft. long; seeds 2-winged.

Fung Prov. (Fazoghli, Jongol’s Post); White Nile Prov. (Jebelein); Kordofan Prov. (Rahad); Upper White Nile Prov. (Sobat River & Goz El Siada); Bahr El Ghazal Prov. (Mittu-land, near Old Wau, Chakchak, & Niamniam-land); Darfur Prov. (Kordofan borders 13° N. Lat.; J. Marra; Kallo Kitting, 4,000 ft.); Mongalla Prov.

Timber whitish, very hard.

662Kigelia æthiopica Decne. ABUSHUTŪR, ABU SIDRA, UMSHUTUR & MASHTURA—Arab; TIMLA (Dilling)—Nuba; KUBULI—Bari; RĀWAR (Kenissa) & RUWĀL (Jonglei)—Dinka; GAFA—Golo; NAK & LUEL—Nuer; RANGBARANGBO—Zande. The “Sausage-tree.”

Large tree. Leaves ternate, pinnate; leaflets 7-11, oblong-elliptic or obovate, coriaceous, 3-5 in. long. Fl. in long pendulous, lax panicles. Calyx campanulate, 2-lipped 1 in. long; cor. purple-maroon, 3 in. long; st. 4 and 1 staminode. Fr. subcylindric up to 2 ft. long, 3-4 in. broad, pendulous on long peduncles; seeds wingless, thick.

Kassala Prov. (Gallabat, Matamma); Fung Prov. (Fazoghli & Jongol’s Post); Kordofan Prov.; Upper White Nile Prov. (Sobat River); Bahr El Ghazal Prov. (many parts); Mongalla Prov.

Wood, heavy, hard, yellowish with red spots, hard to work. Branch-wood used for bows. The ashes of the fruit are considered an efficient substitute for boracic powder for cleansing wounds of animals.

K. æthiopica Decne. var. abyssinica Spr.

Corolla smaller; the cylindric basal portion of tube 1 in. long.

Fung Prov. (Fazoghli).

PEDALIACEÆ.

663Rogeria adenophylla Gay. SIMSIM AFRĪT (Kordn.), & SAKARAN—Arab; SUKOSUKO (J. Ghulfan)—Nuba.

Stout and tall woody herb. Leaves opp., broadly obovate, more or less 3-lobed 2-4 in. long, mealy glandular, dentate. Fl. 1-3 in axils of leaves, ped. short with a gland at base of each; cor. maroon, ab. 2 in. long, tube funnel-shaped, gibbous at base, limb ¾ in. diam., 5-lobed. Caps. obliquely ovoid with 4 to 8 spines at base.

Red Sea Prov. (Suakin, J. Waratab); Berber Prov. (Atbara); Khartoum Prov. (J. Auli); Blue Nile Prov. (Rufaa, Sennar); White Nile Prov. (J. Arashkol, banks of the White Nile, El Dueim to Tonga, Upper White Nile Prov., Rocky hills); Kordofan Prov.

The plant affords a mucilaginous infusion which is useful in cases of diarrhœa.

664Sesamum angustifolium Engl.

Tall herb. Leaves lin.-lanceolate 1-3 in. long, pubescent above, glaucous below. Fl. solitary, axillary; cor. pink, obliquely campanulate, 1-1½ in. long, obscurely 2-lipped. Caps. ¾ in. long, oblong, beaked.

Banks of the White Nile; Darfur Prov. (Kulme); Mongalla Prov. (Mongalla).

S. radiatum Schumach.

Mealy-glandular herb. Lower leaves ovate, toothed, 2½ in. long, upper lanceolate, up to 4 in. long. Fl. solitary, axillary; cor. purple and white, 1½ in. long, obliquely campanulate, 2-lipped, lowest lobe ⅓ in. long. Caps. 1 in. long, shortly beaked, pubescent.

Bahr El Ghazal Prov. (Jur).

S. indicum Linn. SIMSIM—Arab; NIUM—Nuer; SĀRAH—Zande. Sesame.

Mealy glandular and pubescent herb, up to 6 ft. high. Leaves variable, the lowest 3-partite, 3-6 in. long, pet. 4-6 in., gradually passing above to lanceolate, 2-4 in. long with shorter pet.; cor. white, tinged with pink, 1 in. long. Caps. 1 in. long, with short deltoid beak.

Cultivated. Berber Prov. (Korkos Island between Berber & Khartoum); White Nile Prov. (sub-wild on rocky hills); Fung Prov. (cultivated); Kordofan Prov.; Darfur Prov. (Kulme); Bahr El Ghazal Prov.

Cultivated for its seed which yields the valuable Sesame seed of commerce. Also wild or sub-wild on rocky hills near the White Nile.

S. alatum Thonn. SIMSIM—Arab.

Glabrous herb, 2-3 ft. high; stems quadrangular. Leaves varying from 5-fol. below to simple, lin.-lanceolate above, all long-petioled. Cor. pink to carmine, spotted in throat, 1 in. long, obliquely campanulate, 2-lipped, lobes subequal. Caps. 2 in. long; beak slender, up to ½ in. Seeds 2-winged, wing orbicular.

Cultivated. Berber Prov. (Atbara); Khartoum Prov.; White Nile Prov. (J. Arashkol); Kordofan Prov. (Um Gash, & between Aguri & Taiara); Darfur Prov. (20 m. N. of Fasher).

665Ceratotheca sesamoides Endl. WEIKAT EL BADEIB (N. Kordn.)—Arab.

Glaucous, bushy herb, ½-2 ft. high. Leaves deltoid to hastate, densely mealy-glandular. Fl. solitary, axillary; cor. pale-lilac, throat yellow with purple lines, ab. 1 in. long, obscurely 2-lipped, lower lobes ¾ in. long. Caps. ½-¾ in. long, hairy, furnished with 2 apical horns.

White Nile Prov. (J. Arashkol); Kordofan Prov. (Obeid, Taiara); Bahr El Ghazal Prov. (Jur: Jur Ghattas); Darfur Prov. (Kulme).

It is eaten as a vegetable.

ACANTHACEÆ.

666Thunbergia affinis S. Moore.

Woody herb, 6-7 ft. high. Leaves opp. as in all this family, ovate, acuminate, 4½ in. long; pet. ¾ in. with 2 thorns at base. Fl. solitary, enclosed by 2 ovate bracteoles, giving a false appearance of a calyx, 1¼ in. long; calyx lobes 5 dotted with white scales; cor. tube yellow, 1¾ in. long; lobes violet, ½ in. long. Caps. 1 in. long, beaked.

Bahr El Ghazal Prov. (Niamniam-land); Belgian Congo (Niamniam-land: Naporruporru River).

T. annua Hochst.

Hairy marsh herb. Leaves oblong-lanceolate, 4 in. long, sessile. Fl. solitary on short peduncle; bracteoles 2, ovate, keeled; cor. white (?), tube ½ in. long; lobes 5, ⅛ in. long; st. 4, anthers with 2 spurs at base. Caps. beaked.

Fung Prov. (Jongol’s Post); White Nile Prov. (J. Arashkol); Kordofan Prov. (Abu Gerad).

T. annua Hochst. var. Ruspolii Burkill.

More hairy. Leaves subtruncate at base; bracteoles hirsute.

Upper White Nile Prov. (Meshra El Zeraf).

T. hispida Solm.

Hispidly white herb; stems 4-angled. Leaves elliptic-oblong, 1 in. long. Fl. solitary; bracteoles 2, ovate-acuminate; cor. white, lobes 5; st. 4, anthers 2-spurred below. Caps. 1 in. long, glandular.

Fung Prov. (Roseires); Upper White Nile Prov. (Sobat River: between Abwong and Nasser).

T. alata Boj.

Climbing, pilose herb. Leaves ovate sagittate or hastate, 2½ in. long; pet. 1-2 in. long, winged. Fl. solitary on 2 in. long peduncles; bracteoles ovate, 1 in. long; cor. tube claret-coloured 1/5 in. long; lobes 5, yellow to white, ab. ½ in. long; anthers 4, 2 upper ones 1-spurred, 2 lower 2-spurred. Caps. ¾ in. long, seeds 4.

Bahr El Ghazal Prov. (Niamniam-land: Nabambisso River); Mongalla Prov. (Yei River).

T. Schweinfurthii S. Moore.

Strigose herb. Leaves narrowly lanceolate, 2½ in. long, hastate. Fl. solitary, peduncles ab. 1 in. long; bracteoles ovate-lanceolate, white with green veins. Cor. 1¼ in. long, lobes small; st. 4, 2 anthers 1-spurred.

Bahr El Ghazal Prov. (Jur: near Zeriba Kutshuk Ali).

667Elytraria crenata Vahl.

Dwarf pubescent herb. Leaves alt., crowded near the base, 2-7 in. long, spathulate or oblanceolate, crenate or sinuate. Scapes several, 2-9 in. high, covered with small bracts; spikes simple or compound; bracteoles 2; calyx 4-partite; cor. white or pale blue, ⅓ in. long, 2-lipped, 5-lobed. Caps. ovoid, ⅙ in. long.

Belgian Congo (Niamniam-land: by the Yuru River).

668Nelsonia campestris R. Br.

Small villous, diffuse herb. Leaves opp., elliptic, variable in size. Spikes 1-3 in. long imbricated; bracts ovate; bracteoles 0; cor. usually pale lilac or white, 2-lipped, 5-lobed; st. 2. Caps. oblong, ¼ in. long.

Fung Prov. (Roseires and Fazoghli); Upper White Nile Prov. (Taufikia); Bahr El Ghazal Prov. (Mittu-land, Mvolo and Ngama, Niamniam-land, Nabambisso River); Mongalla Prov.

669Hygrophila spinosa T. Anders. MASHIKA & SHUEIKA (Meshra El Zeraf)—Arab; TĪL (or ATIL) (Meshra El Zeraf & Kenissa)—Dinka.

Bushy spiny herb, growing in marshy ground. Leaves oblanceolate, hispid, 3-4 in. long, opp. or whorled with 6 spines 1 in. long at their base. Fl. in dense axillary clusters with many linear or lanceolate bracts; cor. mauve, 2-lipped, upper one forming a hood, tube ½ in. long, lip ⅓ in. long. Caps. ⅓ in. long; seeds 4-8, placed on small brackets (retinacula) and covered with fine hairs (hygroscopic) which uncurl when wetted.

Kassala Prov. (Gallabat, Matamma); Fung. Prov. (Fazoghli); White Nile Prov. (Jebelein southwards, J. Arashkol); Kordofan Prov. (several places); Bahr El Ghazal Prov. (Ghabat El Arab and Bongo-land); Mongalla Prov.; Darfur Prov. (Zalingei).

The whole plant or its ashes and the roots are used as a cooling medicine and diuretic in cases of hepatic obstruction, dropsy, rheumatism, etc. The seeds are demulcent and diuretic.

H. cærulea T. Anders.

Bushy pilose herb. Leaves narrowly obovate, ½-¾ in. long, sessile. Fl. in short terminal spikes; bracts linear; calyx segments 5, filiform, ¼ in. long; cor. ⅔ in. long, 2-lipped, upper hooded; st. 4 unequal. Caps. ¼ in. long, many seeded; seeds as above.

White Nile Prov. (J. Musa, El Ehs); Nuba Mts. Prov. (J. El Glet and Um Kheren).

670Dyschoriste Perrottetii O. Kuntze.

Undershr. 3-4 ft. high. Leaves lanceolate, up to 3½ in. long. Fl. 3-8, clustered; bracteoles 2, lin.-oblong; calyx ⅓ in. long, 5-partite; cor. ½ in. long, tube inflated, lobes 5, subequal. Caps. ab. ⅓ in. long; seeds 4, hygroscopic.

Fung. Prov. (Fazoghli); Bahr El Ghazal Prov. (Bongo-land: River Tidju, Mittu-land).

671Ruellia patula Jacq.

Small shrub. Leaves in subequal pairs, ovate or elliptic, ½-2½ in. long, grey-pubescent. Cymes small, axillary, enclosed in ¾ in. long spathulate-oblong bracteoles; cor. mauve or white, 1⅓ in. long, tube inflated, lobes 5, subequal, spreading. Caps. ½ in. long, club-shaped; seeds ab. 12, hygroscopic.

Red Sea Prov. (Suakin, Nubian coast); Khartoum Prov. (J. Royan); White Nile Prov. (Jebelein); Kordofan Prov.; Mongalla Prov.; Darfur Prov. (Jebel Marra, Niurnya, 6,500 ft.).

R. prætermissa Lindau.

Much as above. Leaves somewhat larger and more pointed, nearly glabrous.

Bahr El Ghazal Prov. (Jur, & Bongo-land: Gir & Niamniam-land).

R. genduana C. B. Clarke.

Small shrub. Leaves up to 3 in. long, elliptic-lanceolate or orbicular, glabrous. Caps. hairy otherwise as above.

Kassala Prov. (Gallabat: Gendua River).

672Paulowilhelmia sclerochiton Lindau.

Shrub. Leaves ovate, toothed, long petioled. Fl. in scorpioid, axillary, lax cymes or terminal panicles; calyx 5-part., ½ in. long; cor. tube 1 in. long, inflated, lobes 5, subequal. Caps. under ½ in. long; seeds 4, hygroscopic.

Belgian Congo (Niamniam-land: Assika River).

673Phaylopsis falcisepala C. B. Clarke.

Branched herb, 1-2 ft. high. Leaves opp., often unequal and oblique, ovate, acuminate, up to 3 in. long. Fl. sessile in threes, in axils of large dense imbricated bracts in a close one-sided inflor.; sepals 5 of which 2 are falcate; cor. white or purplish, tube ¼ in., lobes 5, 2-lipped. Caps. ¼ in. long; seeds 4, hygroscopic.

Bahr El Ghazal Prov. (Bongo-land: Gir).

P. Barteri T. Anders.

Shrubby herb 1-3 ft. high. Leaves ovate to oblong, acuminate both ends, up to 4½ in. long. Fl. in dense imbricate (strobilate) spikes 2½ in. long; calyx segments 5, from elliptic to linear; cor. tube ⅓ in. long, inflated above. Caps. and seeds as above.

Bahr El Ghazal Prov. (Bongo-land: Addai & Dimo in Jur-land).

674Satanocrater fellatensis Schwfth.

Undershrub. Leaves elliptic or broad-lanceolate, 3 in. long. Fl. solitary, opp. in the leaf-axils; calyx tubular, inflated, 5-angled and 5-toothed, 1 in. long; cor. blue, tube inflated, ab. 2 in. long, lobes 5, subequal, ½ in. long; st. 4. Caps. oblong; seeds 4 discoid and hygroscopic.

Kassala Prov. (Gallabat, Fellata village).

675Hemigraphis abyssinica C. B. Clarke.

Pubescent wiry herb. Leaves elliptic, ⅔ in. long, subsessile. Fl. in axillary clusters and quasi-terminal spikes; sepals 5, hairy, ¼ in. long; cor. ¼ in. long, tubular and 5-lobed; st. 4. Caps. cylindric; seeds 6-12, hygroscopic on stout retinacula.

Fung Prov.; White Nile Prov. (El Ehs); Bahr El Ghazal Prov. (between Chak Chak & Deim Zubeir).

H. Schweinfurthii C. B. Clarke.

Pubescent herb, ½-1 ft. high. Leaves lanceolate, up to 2 in. long, tapering to both ends. Fl. much as above.

Upper White Nile Prov. (Sobat River: mouth of Khor Filus); Bahr El Ghazal Prov. (Bongo-land: Sabbi, & Mittu-land: Rivers Roa & Wokko).

676Blepharis bœrhaaviæfolia Pers.

Procumbent shrubby herb. Leaves 4-nate in distant whorls, elliptic, 1½ in. long, sessile. Fl. in axil of terminal bract in a bracteate spike; bract ⅓ in. long, spathulate with 7-15 spines at margin; cor. blue, ½ in. long, 1-lipped. Caps. ¼ in. long; seeds 2, hygroscopic.

Red Sea Prov. (Erkowit); Blue Nile Prov.; Kordofan Prov.; Bahr El Ghazal Prov. (Bongo-land: Roah River).

B. linariifolia Pers. BEGHEIL or UM BEGEIL—Arab.

Low growing woody herb. Leaves linear, up to 3 in. long. Bracteate spikes in the axils of the branches, 1-3 in. long; bracts up to 1 in. long, ovate abruptly pointed and recurved, with 6 brown spines; bracteoles linear; cor. deep blue, 1 in. long, 1-lipped; st. 4; anthers hairy, filaments of 2 antichous stamens bearing a horn-like appendage. Capsule ovoid; seeds 2, hygroscopic.

Kassala Prov. (Gallabat: Matamma); Fung Prov.; Kordofan Prov.; Darfur Prov. (Kulme).

It is said to be the favourite food of Oryx leucoryx and of camels.

B. edulis Pers.

Bushy woody herb. Leaves 4-nate, up to 2 in. long, 1 pair smaller, oblong or narrow elliptic, spinescent. Fl. in strobilate spikes up to 4 in. long; bracts 1½ in. long, ovate, acuminate, recurved, spiny; cor. blue, ¾ in. long. Caps. ¼ in. long; seeds 2, hygroscopic.

Red Sea Prov. (21° N.L., coastland); Nubia (between North Atbara, Khors in Desert); Khartoum Prov. (rocky hills); Kordofan Prov.

A good camel fodder.

677Acanthus arboreus Forsk.

Stout shrub, up to 20 ft. high. Leaves spinous lobed or sub-pinnatifid, up to 12 × 6 in. Spikes 1-3, terminal, up to 10 in. long, by 2 in. broad; bracts 1½ in. long, spinous as well as (2) bracteoles; calyx spiny, 4-fid; cor. rose or pale purple, 1¾ in. long, 1-lipped. Caps. ¾ in. long; seeds glabrous.

Blue Nile Prov. (Fazoghli).

A. montanus T. Anders.

Up to 3 ft. high, otherwise much as above, but flowers and capsule larger and leaves caudate.

Mongalla Prov. (Yei River); Bahr El Ghazal Prov. (Niamniam-land).

678Barleria candida Nees.