GLOSSARIAL INDEX
Reading edition
PAGE
Achene. A dry fruit that does not open13
Acute. Sharp.
Anther. The case at the top of the stamen containing the pollen9
Axil. The angle formed between leaf-stalk and stem.
Axillary. Situated in an axil6
Bast. Inner bark.
Berry. A pulpy fruit containing several seeds13
Bicrenate. Doubly notched6
Bifid. Divided into two parts.
Bisexual. Including both male and female organs11
Bract. A leaf or scale between flower and leaf10
Bracteate. Provided with one or more bracts10
Calyx. The outer whorl of a complete flower9
Capitulum. A head of flowers9, 175
Capsule. A term applied to some fruits which open13
Carpels. Central parts of a perfect flower10
Catkin. A spike of imperfect flowers12
Chlorophyll. The green colouring matter of plants.
Composite Flower. A head of 'florets' all sessile on a common receptacle175
Cordate. Heart-shaped7
Corolla. The second whorl of a complete flower9
Corymb. A cluster of stalked flowers, the flowers being all at one level8
Cotyledons. The lobes of the embryo plant, afterwards forming the 'seed-leaves'13, 47
Crenate. Notched.
Cupule. A cup, formed of bracts, surrounding a fruit.
Cyme. An arrangement of stalked flowers in which the terminal or central one is the first to open9
Deciduous. Falling off. Applied to leaves, parts of flowers, &c.
Dehiscent. Splitting. Applied to fruits which open when ripe12
Dicotyledon. A plant with two cotyledons in the embryo13
Digitate. Divided into finger-like lobes7
Disc. A fleshy ring or cup between the base of the stamens and that of the ovary.
Drupe. A stone-fruit13
Entire. Not divided6
Epidermis. The outer skin of a plant
Exstipulate. Without stipules5
Filament. The stalk which bears the anther of the stamen9
Follicle. A fruit which opens, when ripe, on one side only13
Fruit. The ripened ovary of the flower12
Glumes. The scaly bracts of sedges and grasses.
Herbaceous. Green—not woody.
Hybrid. The offspring of two different species.
Imperfect Flower. A flower which does not possess both stamens and pistil12
Indehiscent. Not splitting. Applied to fruits that do not open when ripe12
Inferior. Below. Applied to the ovary when the calyx adheres to it; and to the calyx when it is free from and below the ovary6
Inflorescence. The arrangement of flowers10
Involucre. A whorl of bracts surrounding a single flower or a flower-head.
Labiate. Lipped. Applied to the calyx or the corolla of a flower when it is divided into two lips.
Lanceolate. Long and narrow, like a lance-head7
Leaflet. One of the distinct parts of a compound leaf5
Leaves—Compound. Leaves which are divided, quite to the midrib, into distinct parts5
Leaves—Simple. Leaves which are not divided quite to the middle5
Legume. A pod—a fruit of one cell which splits, when ripe, on both sides12
Ligulate. Strap-shaped176
Linear. Long and very narrow7
Lyrate. A term applied to a leaf which has a rounded, terminal lobe and several lobes below.
Micropyle. A small opening in the ovule or seed26
Midrib. The central vein of a leaf—a continuation of the stalk through the blade.
Monocotyledon. A plant which has only one cotyledon in its embryo13
Nectary. A gland that produces nectar.
Node. The junction of leaf and stem.
Nut. A dry fruit which does not split13
Obcordate. Inversely heart-shaped7
Obovate. Inversely egg-shaped7
Obtuse. Blunt.
Orbicular. Round7
Ovary. The part of the pistil which forms the fruit10
Ovate. Egg-shaped7
Ovule. The unripened seed within the ovary10
Palmate. A term applied to simple leaves with spreading divisions that radiate from one point7
Panicle. A compound raceme9
Pappus. A hairy calyx, which often grows into a silky tuft on the summit of the fruit176
Pedicel. A secondary flower-stalk of a cluster of flowers8
Peduncle. The flower-stalk6
Perfect Flower. A flower with both stamens and pistil11
Perianth. The parts of the flower outside the stamens, or outside the pistil if stamens are absent11
Persistent. Applied to parts of a flower when they do not wither and fall.
Petal. One of the divisions of the corolla of a flower9
Petiole. The leaf-stalk5
Pinnate. Applied to a compound leaf when its leaflets are arranged along the midrib on each side7
Pinnatifid. A term applied to simple leaves when they are deeply divided into lateral lobes7
Pistil. The inner part or whorl of a complete flower10
Pistillate. Applied to a flower when it has a pistil and no stamens12
Placenta. The part of the ovary to which the ovules are attached10
Pod. See Legume.
Pollen. The cellular dust discharged by the anthers9, 25
Pollination. The transfer of pollen from anther to stigma26
Raceme. An inflorescence in which the flowers are stalked along a common axis8
Radical. Growing direct from a point near the summit of the root4
Ray. The outer, spreading florets of a composite flower175
Receptacle. The enlarged upper part of a flower-stalk that gives attachment to the parts of the flower.
Sagittate. Arrow-shaped7
Samara. A winged fruit13
Sepal. A part of the outer whorl (calyx) of a complete flower9
Serrate. Sawlike6
Sessile. Without a stalk5, 6
Silicula. A fruit resembling a siliqua, but shorter and broader12
Siliqua. A pod-like fruit with two valves that separate from a central membrane to which the seeds are attached12
Solitary. Arranged singly8
Spathulate. Spoon-shaped7
Spike. An inflorescence in which the flowers are sessile along a common axis8
Stamens. The flower organs that produce the pollen9
Staminate. Applied to a flower that has stamens but no pistil12
Stigma. The part of the pistil which receives the pollen10
Stipulate. Having stipules4
Stipules. Scaly or leafy organs at the base of a leaf4
Stomata. The openings in the epidermis of plants318
Style. The stalk that supports the stigma10
Superior. Above. Applied to the calyx when it is on the ovary, and to the ovary when it is free from the calyx or perianth10
Ternate. Consisting of three parts7
Umbel. An inflorescence in which the flower-stalks all radiate from one point9
Whorl. A term applied to organs or parts arranged around a common centre5
THE END
PRINTED BY SPOTTISWOODE AND CO. LTD., COLCHESTER LONDON AND ETON