INDEX

Abies, 1 Abutilon, 72 Acalypha, 66 Acanthaceae, 107 Acanthus Family, 107 Acer, 70 Aceraceae, 70 Acerates, 90 Achillea, 130, 131 Acnida, 30 Acorus, 8 Actaea, 39 Actinomeris, 128 Adder's Mouth, 17 Adenocaulon, 118 Adlumia, 41 Aesculus, 70 Agastache, 97 Agrimonia, 55 Agrimony, 55 Agropyron, 6 Agrostemma, 33 Agrostis, 6 Ailanthus, 65 Aizoaceae, 31 Alder, 22 Alder, Black, 69 Aletris, 13 Alfalfa, 61 Alisma, 3 Alismaceae, 3 Allium, 13 Alnus, 22 Alopecurus, 4 Alsike Clover, 61 Althaea, 72 Alum Root, 50, 51 Alyssum, 42, 46 Alyssum, Yellow, 42, 46 Amaranth Family, 30 Amaranthaceae, 30 Amaranthus, 30 Amaryllidaceae, 14 Amaryllis Family, 14 Ambrosia, 114 Amelanchier, 55 American Columbo, 88 American Ipecac, 57 Ammophila, 4 Amorpha, 58 Amphicarpa, 59 Anacardiaceae, 68 Anagallis, 87 Anaphalis, 120 Andromeda, 86 Andropogon, 5 Androsace, 87 Anemone, 38, 39 Anemone, Rue, 39 Anemone, Wood, 38 Anemonella, 39 Angelica, 82 Anonaceae, 40 Antennaria, 120 Anthemis, 130 Antirrhinum, 103 Anychia, 31 Apios, 58 Aplectrum, 16 Apocynaceae, 90 Apocynum, 90 Appalachian Cherry, 54 Apple, 54 Apple of Peru, 101 Aquifoliaceae, 69 Aquilegia, 36 Arabis, 46, 47 Araceae, 8 Aralia, 80 Araliaceae, 80 Arbutus, Trailing, 85 Arceuthobium, 25 Arctium, 117 Arctostaphylos, 85 Arenaria, 32 Arethusa, 16 Arisaema, 8 Aristolochia, 25 Aristolochiaceae, 25 Arnica, 123 Arrow Arum, 9 Arrow Grass, 3 Arrow Grass Family, 3 Arrow-head, 3 Arrow Wood, 111 Artemisia, 119 Artichoke, Jerusalem, 129 Arum Family, 8 Asarum, 25 Asclepias, 90, 91 Asclepiadaceae, 90 Ash, 88 Ash, Mountain, 52 Ash, Prickly, 65 Asimina, 40 Asparagus, 10 Aspen, 19 Aster, 132-134 Atriplex, 29 Avena, 6 Avens, 56, 57 Baby's Breath, 34 Balm of Gilead, 19 Balsam, 1 Balsam Poplar, 19 Balsaminaceae, 71 Baneberry, 39 Baptisia, 61 Barbarea, 44 Barberry, 40 Barberry Family, 40 Barnyard Grass, 5 Barren Strawberry, 55 Bartonia, 88 Basil, 97 Basil-thyme, 97 Basswood, 72 Bayberry, 21 Beach Grass, 4 Beach Pea, 59 Beaked Hazel, 22 Bearberry, 85 Beard Grass, 5 Beard-tongue, 104 Bedstraw, 108, 109 Beech, 22 Beech Drops, 84, 106 Beech Family, 22 Beggar Lice, 94 Beggar Ticks, 124 Bellflower, 112 Bellflower Family, 112 Bellwort, 12 Benzoin, 41 Berberidaceae, 40 Berberis, 40 Bergamot Mint, 98 Berula, 81 Betula, 21, 22 Betulaceae, 21 Bidens, 123, 124 Bilberry, 86, 87 Bindweed, 91, 92 Bindweed, Black, 28 Birch, 21, 22 Birch Family, 21 Bird-foot Violet, 75 Birthwort Family, 25 Bishop's Cap, 51 Bistort, 28 Bitter Cress, 45, 47 Bitter Dock, 26 Bitter Nut, 21 Bittersweet, 100 Bitter-sweet, 69 Black Alder, 69 Black Ash, 88 Blackberry, 53 Black Bindweed, 28 Black Cherry, 54 Black Currant, 49, 50 Black-eyed Susan, 128 Black Haw, 111 Black Jack Oak, 22 Black Locust, 58 Black Maple, 70 Black Medick, 60 Black Mustard, 44 Black Oak, 23 Black Raspberry, 53 Black Snakeroot, 82 Black Spruce, 1 Black Swallow-wort, 90 Black Walnut, 21 Black Willow, 20 Bladder Campion, 34 Bladder Nut, 69 Bladder Nut Family, 69 Bladderwort, 106 Bladderwort Family, 105 Blazing Star, 13, 121 Blephilia, 96 Blite, 29 Bloodroot, 41 Bloody Dock, 26 Blue Ash, 88 Bluebell, 93, 94 Blueberry, 86 Blue Cohosh, 40 Blue-eyed Grass, 15 Blue-eyed Mary, 104 Blue Flag, 15 Blue Grass, 7 Blue Hearts, 104 Blue-joint, 5 Bluets, 108 Blue Violet, 76 Blueweed, 94 Boehmeria, 24 Bog Rosemary, 86 Boltonia, 131 Boneset, False, 122 Borage, 93 Borage Family, 93 Boraginaceae, 93 Borago, 93 Bowman's Root, 57 Box Elder, 70 Brasenia, 35 Brassica, 43, 44 Brauneria, 131 Braya, 47 Bristly Locust, 58 Bristly Sarsaparilla, 80 Brome-grass, 7 Bromus, 7 Broom-rape Family, 106 Buchnera, 104 Buckbean, 88 Buckeye, 70 Buckhorn, 107 Buckthorn, 71 Buckthorn Family, 71 Buckwheat, 27 Buckwheat, False, 28 Buckwheat Family, 25 Buffalo Berry, 77 Buffalo Bur, 100 Buffalo Clover, 61 Bugbane, 39 Bugle, 98 Bugle Weed, 95 Bug-seed, 28 Bulrush, 7 Bur Clover, 60 Bur Cucumber, 112 Burdock, 117 Bur Marigold, 124 Burnet, 57 Bur Oak, 23 Bur-reed, 2 Bur-reed Family, 2 Bush Clover, 61, 63 Bush Honeysuckle, 110 Butter-and-eggs, 102 Buttercup, 36, 37, 38 Butterfly Weed, 91 Butternut, 21 Butterwort, 105 Button Bush, 108 Cacalia, 122 Cactaceae, 77 Cactus Family, 77 Cakile, 45 Calamagrostis, 5 Calamint, 97 Calla, 9 Callirhoe, 73 Callitrichaceae, 68 Callitriche, 68 Calopogon, 16 Caltha, 36 Calypso, 17 Camassia, 14 Camelina, 42 Camomile, 130 Campanula, 112 Campanulaceae, 112 Campion, 33, 34 Canada Thistle, 118 Canada Violet, 76 Canadian Blue Grass, 7 Cancer-root, 106 Cannabis, 24 Caper Family, 47 Capparidaceae, 47 Caprifoliaceae, 109 Capsella, 46 Caraway, 83 Cardamine, 45, 47 Cardinal Flower, 113 Carduus, 118 Carex, 8 Carpet-weed, 31 Carpet-weed Family, 31 Carpinus, 21 Carrion-flower, 11 Carrot, Wild, 82 Carum, 83 Carya, 21 Caryophyllaceae, 31 Cashew Family, 68 Cassia, 60 Castalia, 35 Castanea, 22 Castilleja, 102 Catchfly, 33, 34 Catnip, 98 Cat-tail, 2 Cat-tail Family, 2 Caulophyllum, 40 Ceanothus, 71 Cedar, 1 Celandine, 41 Celandine Poppy, 41 Celastraceae, 69 Celastrus, 69 Celtis, 24 Cenchrus, 5 Centaurea, 121 Centaurium, 89 Centaury, 89 Cephalanthus, 108 Cerastium, 33 Ceratophyllaceae, 34 Ceratophyllum, 34 Cercis, 58 Chaerophyllum, 83 Chamaedaphne, 86 Chamaelirium, 13 Charlock, 44 Cheat, 7 Chelidonium, 41 Chelone, 104 Chenopodiaceae, 28 Chenopodium, 28, 29 Cherry, 54 Cherry, Ground, 101 Chervil, 83 Chestnut, 22 Chickweed, 32, 33 Chickweed, Mouse-ear, 33 Chicory, 115 Chimaphila, 85 Chiogenes, 85 Chives, Wild, 13 Chokeberry, 55 Choke Cherry, 54 Chrysanthemum, 121, 130, 131 Chrysosplenium, 50 Cichorium, 115 Cicuta, 82 Cimicifuga, 39 Cinquefoil, 52, 56, 57 Circaea, 78 Cirsium, 117, 118 Cistaceae, 74 Cladium, 8 Clammy Locust, 58 Clammy-weed, 47 Claytonia, 34 Clearweed, 24 Cleft Phlox, 92 Clematis, 35 Climbing Fumitory, 41 Climbing Rose, 52 Clintonia, 13 Clover, 61 Clover, Bush, 61, 63 Clover, Hop, 60 Clover, Prairie, 60 Clover, Sweet, 61 Cocklebur, 114 Cockle, Corn, 33 Coffee-tree, 58 Cohosh, Blue, 40 Colic-root, 13 Collinsia, 104 Collinsonia, 95 Coltsfoot, 122, 130 Columbine, 36 Comandra, 24 Comfrey, 93, 94 Commelina, 9 Commelinaceae, 9 Common Blue Violet, 76 Common Cat-tail, 2 Common Vetch, 59 Compass Plant, 127 Compositae, 113 Composite Family, 113 Coneflower, Gray-headed, 128 Coneflower, Purple, 131 Conioselinum, 83 Conium, 83 Conopholis, 106 Conringia, 42 Convolvulaceae, 91 Convolvulus, 91, 92 Coptis, 39 Corallorhiza, 16 Coral Root, 16 Coreopsis, 123, 124 Corispermum, 28 Cork Elm, 24 Cornaceae, 83 Corn Cockle, 33 Corn Flower, 121 Corn Gromwell, 94 Corn Salad, 111 Cornus, 83, 84 Corydalis, 42 Corylus, 22 Costmary, 121 Cotton Grass, 8 Cotton Thistle, 118 Cottonwood, 19 Cowbane, 81 Cowherb, 34 Cow Parsnip, 82 Cowslip, 36 Cow Wheat, 104 Crab, 54 Crab Grass, 5 Crack Willow, 20 Cranberry, 85 Cranberry Tree, 111 Crane-fly Orchis, 16 Crane's-bill, 64, 65 Crassulaceae, 48 Creeping Cedar, 1 Creeping Wahoo, 69 Crepis, 117 Cress, 43-47 Cress, Bitter, 45, 47 Cress, Field, 46 Cress, Garden, 45, 46 Cress, Lake, 45, 46 Cress, Mouse-ear, 47 Cress, Penny, 46 Cress, Rock, 46, 47 Cress, Water, 45 Cress, Winter, 44 Cress, Yellow, 43 Crotalaria, 59 Crowberry, 68 Crowberry Family, 68 Crowfoot, 35 Crowfoot, Cursed, 37 Crowfoot Family, 35 Crowfoot, Sea-side, 36 Crowfoot, Small-flowered, 36 Crowfoot, Water, 35, 37 Cruciferae, 42 Cryptotaenia, 82 Cuckoo Flower, 45 Cucurbitaceae, 112 Cudweed, 120, 121 Culver's Root, 104 Cup Plant, 123 Currant, 49, 50 Currant, Indian, 110 Cursed Crowfoot, 37 Cuscuta, 92 Custard Apple Family, 40 Cut-grass, 5 Cycloloma, 29 Cynanchum, 90 Cynoglossum, 93, 94 Cynthia, 115 Cyperaceae, 7 Cyperus, 8 Cypress Spurge, 67 Cypripedium, 18 Dactylis, 6 Daisy, Ox-eye, 131 Dalibarda, 56 Dame's Rocket, 47 Dandelion, 115 Dandelion, Dwarf, 115 Datura, 100 Daucus, 82 Day-flower, 9 Day Lily, 11 Dead Nettle, 99 Decodon, 77 Deerberry, 86 Dentaria, 44 Deptford Pink, 34 Desmodium, 62, 63 Devil's Club, 80 Dewberry, 53 Dianthera, 107 Dianthus, 34 Dicentra, 41 Diervilla, 110 Digitaria, 5 Dioscorea, 14 Dioscoreaceae, 14 Diplotaxis, 42, 43 Dipsacaceae, 112 Dipsacus, 112 Dirca, 77 Ditch Stonecrop, 49 Dock, 26 Dock, Prairie, 122 Dodder, 92 Dodecatheon, 87 Dogbane, 90 Dogbane Family, 90 Dog Fennel, 130 Dog Rose, 52 Dog's-tooth Violet, 12 Dog Violet, 76 Dogwood, 83, 84 Dogwood Family, 83 Downy Mint, 78 Draba, 42, 46 Dracocephalum, 96 Dragon Head, 96 Dragon Head, False, 99 Dragon Root, 8 Drop-seed, 5 Drosera, 48 Droseraceae, 48 Duckweed, 9 Duckweed Family, 9 Dulichium, 7 Dutchman's Breeches, 41 Dwarf Birch, 22 Dwarf Dandelion, 115 Dwarf Dogwood, 83 Dwarf Ginseng, 80 Dwarf Iris, 15 Dwarf Mistletoe, 25 Dwarf Raspberry, 53 Dwarf Water Plantain, 3 Dwarf White Trillium, 12 Dyer's Greenweed, 58 Echinochloa, 5 Echinocystis, 112 Echinodorus, 3 Echinops, 117 Echium, 94 Eel Grass, 3 Elaeagnaceae, 77 Elatinaceae, 74 Elatine, 74 Elder, 109 Elder, Box, 70 Elder, Marsh, 114 Elecampane, 127 Eleocharis, 7 Eleusine, 6 Elm, 24 Elodea, 3 Elymus, 6 Empetraceae, 68 Empetrum, 68 Enchanter's Nightshade, 78 English Plantain, 107 Epifagus, 106 Epigaea, 85 Epilobium, 79 Epipactis, 17 Eragrostis, 7 Erechtites, 122 Ericaceae, 84 Erigenia, 81 Erigeron, 130-132 Eriocaulaceae, 9 Eriocaulon, 9 Eriophorum, 8 Erodium, 64 Eryngium, 80 Erysimum, 43 Erythronium, 12 Eupatorium, 121, 122 Euphorbia, 67, 68 Euphrasia, 102 Evening Primrose, 78 Evening Primrose Family, 78 Everlasting, 120 Everlasting, Pearly, 120 Evonymus, 69 Eyebright, 102 Fagaceae, 22 Fagopyrum, 27 Fagus, 22 Fall Dandelion, 115 False Asphodel, 14 False Boneset, 122 False Buckwheat, 28 False Dragon Head, 99 False Flax, 42 False Foxglove, 102 False Gromwell, 93 False Heather, 74 False Loosestrife, 78 False Mermaid, 68 False Mermaid Family, 68 False Mitrewort, 51 False Nettle, 24 False Pimpernel, 104 False Solomon's Seal, 14 Fatsia, 80 Fennel, 81 Fennel, Dog, 130 Fescue Grass, 7 Festuca, 7 Feverfew, 130 Feverwort, 109 Field Cress, 46 Field Garlic, 13 Figwort, 103 Figwort Family, 101 Filipendula, 57 Fire Pink, 33 Fireweed, 79, 122 Five-finger, 55 Flax, 63 Flax, False, 42 Flax Family, 63 Fleabane, 131, 132 Floating Foxtail, 4 Floating Heart, 88 Floerkea, 68 Flowering Dogwood, 83 Flowering Raspberry, 54 Flowering Wintergreen, 65 Flower-of-an-hour, 72 Foeniculum, 81 Fog Fruit, 99 Forget-me-not, 94 Forked Chickweed, 31 Four-o'Clock Family, 31 Foxglove, False, 102 Fox Grape, 72 Foxtail, 4 Foxtail, Floating, 4 Fragaria, 56 Frasera, 88 Fraxinus, 88 Fringed Gentian, 89 Fringed Orchis, 19 Frog's Bit Family, 3 Frost Grape, 72 Frostweed, 74 Fumaria, 42 Fumariaceae, 41 Fumitory, 42 Fumitory, Climbing, 41 Fumitory Family, 41 Galeopsis, 99 Gale, Sweet, 21 Galinsoga, 130 Galium, 108, 109 Garden Cress, 45, 46 Garden Phlox, 92 Garlic, Field, 13 Gaultheria, 86 Gaura, 79 Gaylussacia, 86 Genista, 58 Gentian, 89 Gentiana, 89 Gentianaceae, 88 Gentian Family, 88 Gentian, Spurred, 89 Geraniaceae, 64 Geranium, 64, 65 Geranium Family, 64 Gerardia, 102, 103 Geum, 56, 57 Giant Hyssop, 97 Giant Ragweed, 114 Gillenia, 57 Ginseng, 80 Gleditsia, 58 Globe-flower, 36 Globe Thistle, 117 Glyceria, 7 Gnaphalium, 120, 121 Goat's Rue, 60 Golden Alexander, 81 Golden Currant, 49 Golden Glow, 128 Goldenrod, 125-127 Golden Saxifrage, 50 Golden Seal, 38 Gold-thread, 39 Good King Henry, 29 Gooseberry, 49 Goosefoot, 28, 29 Goosefoot Family, 28 Gourd Family, 112 Gramineae, 4 Grape, 72 Grape Family, 71 Grape Hyacinth, 14 Grass Family, 4 Grass of Parnassus, 50 Grass, Star, 14 Gratiola, 104 Gray-headed Coneflower, 128 Great Lobelia, 113 Great Solomon's Seal, 11 Great-spurred Violet, 75 Greek Valerian, 92 Green Ash, 88 Green Brier, 11 Green Foxtail, 4 Green Milkweed, 90 Green Sorrel, 25 Green Violet, 75 Grindelia, 128 Ground Cherry, 101 Ground Hemlock, 2 Ground Ivy, 98 Groundsel, 128 Gum Plant, 128 Gymnocladus, 58 Gypsophila, 34 Gypsophyll, 34 Habenaria, 18, 19 Hackberry, 24 Hair Grass, 6 Halenia, 89 Haloragidaceae, 79 Hamamelidaceae, 51 Hamamelis, 51 Hand-leaf Violet, 75 Harbinger of Spring, 81 Hardhack, 53 Harebell, 112 Hare's Ear, 42 Hawksbeard, 117 Hawkweed, 116, 117 Hazel, 22 Heather, False, 74 Heath Family, 84 Hedeoma, 95 Hedge Hyssop, 104 Hedge Mustard, 44 Hedge Nettle, 99 Helenium, 127, 128 Helianthemum, 74 Helianthus, 128-130 Heliopsis, 123 Hemerocallis, 11 Hemlock, 1 Hemlock, Ground, 2 Hemlock Parsley, 83 Hemlock, Poison, 83 Hemlock, Water, 82 Hemp, 24 Hemp, Indian, 90 Hemp Nettle, 99 Hemp, Water, 30 Hemp Weed, 131 Henbane, 101 Hepatica, 38 Heracleum, 82 Herb Robert, 64 Herb Sophia, 43 Hercules' Club, 80 Hesperis, 47 Heteranthera, 10 Heuchera, 50, 51 Hibiscus, 72 Hickory, 21 Hieracium, 116, 117 Hill's Oak, 23 Hippuris, 79 Hoarhound, 96 Hoarhound, Water, 95 Hobble-bush, 111 Hog Peanut, 59 Holly Family, 69 Holly, Mountain, 69 Honewort, 82 Honey Locust, 58 Honeysuckle, 110 Honeysuckle, Bush, 110 Honeysuckle Family, 109 Hop, 24 Hop Clover, 60 Hop Tree, 65 Hordeum, 4 Hornbeam, 21 Horned Pondweed, 2 Hornwort, 34 Hornwort Family, 34 Horse Balm, 95 Horse Chestnut, 70 Horse Mint, 96 Horse Nettle, 100 Horse Radish, 46 Horse Weed, 130, 131 Hound's Tongue, 93 Houstonia, 108 Huckleberry, 86 Hudsonia, 74 Humulus, 24 Hyacinth, Wild, 14 Hybanthus, 75 Hydrocharitaceae, 3 Hydrocotyle, 80 Hydrophyllaceae, 93 Hydrophyllum, 93 Hyoscyamus, 101 Hypericaceae, 73 Hypericum, 73, 74 Hypoxis, 14 Hyssop, 98 Hyssop, Hedge, 104 Hyssopus, 98 Ilex, 69 Illecebraceae, 31 Ilysanthes, 104 Impatiens, 71 Imperatoria, 82 Indian Cucumber-root, 13 Indian Currant, 110 Indian Hemp, 90 Indian Mustard, 44 Indian Pipe, 84 Indian Plantain, 122 Indian Tobacco, 113 Indian Turnip, 8 Indigo, Wild, 61 Inula, 127 Ipomoea, 92 Iridaceae, 15 Iris, 15 Iris Family, 15 Ironweed, 122 Ironweed, Yellow, 128 Ironwood, 22 Isopyrum, 39 Iva, 114 Jack Pine, 1 Jeffersonia, 40 Jerusalem Artichoke, 129 Jerusalem Oak, 29 Jimson Weed, 100 Joe-Pye Weed, 122 Jointweed, 27 Juglandaceae, 21 Juglans, 21 Juncaceae, 10 Juncaginaceae, 3 Juncus, 10 Juneberry, 55 Juniper, 1 Juniperus, 1 Kalmia, 85 Kenilworth Ivy, 103 Kentucky Coffee-tree, 58 King-nut Hickory, 21 Knapweed, 121 Knawel, 31 Knotweed, 26, 27 Knotwort Family, 31 Kochia, 28 Koeleria, 6 Krigia, 115 Kuhnia, 122 Labiatae, 95 Labrador Tea, 85 Lactuca, 115, 116 Ladies' Tresses, 16 Lady's Slipper, 18 Lake Cress, 45, 46 Lamb's Quarters, 29 Lamium, 99 Laportea, 24 Lappula, 94 Lapsana, 115 Large-toothed Aspen, 19 Larix, 1 Larkspur, 36 Lathyrus, 59 Lauraceae, 41 Laurel Family, 41 Lead Plant, 58 Leafcup, 123 Leatherleaf, 86 Leatherwood, 77 Lechea, 74, 75 Ledum, 85 Leek, Wild, 13 Leersia, 5 Leguminosae, 58 Lemna, 9 Lemnaceae, 9 Lentibulariaceae, 105 Leontodon, 115 Leonurus, 98 Lepachys, 128 Lepidium, 45, 46 Lespedeza, 61, 63 Lettuce, 115, 116 Lettuce, Wild, 115, 116 Liatris, 121 Lilac, 88 Liliaceae, 10 Lilium, 12 Lily, 12 Lily Family, 10 Lily of the Valley, Wild, 12 Lily, Pond, 35 Lily, Water, 35 Limnanthaceae, 68 Limosella, 103 Linaceae, 63 Linaria, 102, 103 Linden Family, 72 Linnaea, 109 Linum, 63 Liparis, 17 Lippia, 99 Liriodendron, 40 Listera, 17 Lithospermum, 94 Live-for-ever, 49 Lizard's Tail, 19 Lobelia, 113 Lobeliaceae, 113 Lobelia Family, 113 Locust, 58 Locust, Honey, 58 Lombardy Poplar, 19 Long-spurred Violet, 76 Lonicera, 110 Loosestrife, 77, 87, 88 Loosestrife, False, 78 Loosestrife Family, 77 Lopseed, 107 Lopseed Family, 107 Loranthaceae, 25 Lotus, 35 Lousewort, 102 Love Grass, 7 Love-in-a-mist, 38 Low Juniper, 1 Ludvigia, 78 Lupine, 59 Lupinus, 59 Luzula, 10 Lychnis, 33 Lysimachia, 87, 88 Lycium, 100 Lycopus, 95 Lythraceae, 77 Lythrum, 77 Madder Family, 108 Mad-dog Skullcap, 96 Magnoliaceae, 40 Magnolia Family, 40 Maianthemum, 13 Mallow, 73 Mallow Family, 72 Mallow, Marsh, 72 Mallow, Poppy, 73 Mallow, Rose, 72 Mallow, Virginia, 73 Malva, 73 Malvaceae, 72 Manna Grass, 7 Maple, 70 Maple Family, 70 Mare's-tail, 79 Marigold, Bur, 124 Marigold, Water, 123 Marrubium, 96 Marsh Cinquefoil, 57 Marsh Elder, 114 Marsh Harebell, 112 Marsh Mallow, 72 Marsh Pea, 59 Marsh Speedwell, 105 Masterwort, 82 Matricaria, 130 Matrimony Vine, 100 May Apple, 40 Meadow Beauty, 77 Meadow Parsnip, 81 Meadow Pink, 34 Meadow Rue, 39 Meadow Salsify, 115 Meadow-sweet, 53 Medeola, 13 Medicago, 60, 61 Melampyrum, 104 Melastomaceae, 77 Melastoma Family, 77 Melilotus, 61 Menispermaceae, 40 Menispermum, 40 Mentha, 98 Menyanthes, 88 Mermaid Weed, 79 Mertensia, 93, 94 Mexican Tea, 29 Mezereum Family, 77 Microstylis, 17 Mignonette Family, 48 Mignonette, Yellow, 48 Mikania, 121 Milfoil, Water, 79 Milk Thistle, 117 Milk Vetch, 60 Milkweed, 90, 91 Milkweed Family, 90 Milkweed, Green, 90 Milkwort, 66 Milkwort Family, 65 Millet, 4 Mimulus, 102, 104 Mint, 98 Mint Family, 95 Mist Flower, 121 Mistletoe, Dwarf, 25 Mistletoe Family, 25 Mitchella, 108 Mitella, 51 Mitrewort, False, 51 Mocker-nut Hickory, 21 Mollugo, 31 Monarda, 96 Moneses, 85 Moneywort, 87 Monkey Flower, 104 Monkey Flower, Yellow, 102 Monotropa, 84 Moonseed, 40 Moonseed Family, 40 Morning Glory, 92 Morning Glory Family, 91 Morus, 24 Moss Pink, 92 Motherwort, 98 Moth Mullein, 101 Mountain Alder, 22 Mountain Ash, 52 Mountain Holly, 69 Mountain Maple, 70 Mountain Mint, 98 Mouse-ear Chickweed, 33 Mouse-ear Cress, 47 Mud Plantain, 10 Mudwort, 103 Mugwort, 119 Muhlenbergia, 5, 6 Mulberry, 24 Mullein, 101 Mullein Pink, 33 Muscari, 14 Musk Flower, 102 Mustard, 43, 44 Mustard Family, 42 Myosotis, 94 Myrica, 20, 21 Myricaceae, 20 Myriophyllum, 79 Naiad, 2 Naias, 2 Najadaceae, 2 Narrow-leaved Cat-tail, 2 Nelumbo, 35 Nemopanthus, 69 Nepeta, 98 Nettle, 24 Nettle, Dead, 99 Nettle Family, 23 Nettle, Hedge, 99 Nettle, Hemp, 99 Nettle, Horse, 100 Nicandra, 101 Nicotiana, 101 Nigella, 38 Nightshade, 100 Nightshade, Enchanter's, 78 Nightshade Family, 100 Ninebark, 53 Nipplewort, 115 Nodding Pogonia, 18 Norway Pine, 1 Nut Grass, 8 Nyctaginaceae, 31 Nymphaea, 35 Nymphaeaceae, 35 Nymphoides, 88 Nyssa, 83 Oak, 22, 23 Oakesia, 12 Oats, 6 Oenothera, 78 Oleaceae, 88 Oleaster Family, 77 Olive Family, 88 Onagraceae, 78 One-flowered Wintergreen, 85 Onion, Wild, 13 Onosmodium, 93 Opuntia, 77 Orache, 29 Orchard Grass, 6 Orchidaceae, 15 Orchis, 17 Orchis, Crane-fly, 16 Orchis Family, 15 Orchis, Showy, 17 Ornithogalum, 14 Orobanchaceae, 106 Orobanche, 106 Orpine Family, 48 Osmorhiza, 82 Ostrya, 22 Oswego Tea, 96 Oxalidaceae, 64 Oxalis, 64 Ox-eye, 123 Ox-eye Daisy, 131 Oxybaphus, 31 Oxypolis, 81 Painted Cup, 102 Painted Trillium, 12 Pale Violet, 76 Panax, 80 Panic-grass, 5 Panicum, 5 Pansy, 76 Papaveraceae, 41 Papaver, 41 Papaw, 40 Paper Birch, 21 Parietaria, 24 Parnassia, 50 Parsley Family, 80 Parsley, Hemlock, 83 Parsnip, Cow, 82 Parsnip, Meadow, 81 Parsnip, Prairie, 81 Parsnip, Water, 81 Parsnip, Wild, 81 Partridge Berry, 108 Partridge Pea, 60 Pasque Flower, 38 Pastinaca, 81 Patience Dock, 26 Pea, 59 Peach-leaved Willow, 20 Pear, 54 Pear, Prickly, 77 Pearlwort, 32 Pearly Everlasting, 120 Pedicularis, 102 Pellitory, 24 Peltandra, 9 Penny Cress, 46 Pennyroyal, 95 Pennywort, Water, 80 Penthorum, 49 Pentstemon, 104 Pepper Family, 19 Pepper Grass, 46 Peppermint, 98 Perfumed Cherry, 54 Periwinkle, 90 Petalostemum, 60 Petasites, 130 Petunia, 101 Phacelia, 93 Phleum, 4 Phlox, 92 Phragmites, 6 Phryma, 107 Phrymaceae, 107 Physalis, 101 Physocarpus, 53 Physostegia, 99 Phytolacca, 30 Phytolaccaceae, 30 Picea, 1 Pickerel-weed, 10 Pickerel-weed Family, 10 Picris, 115 Pignut Hickory, 21 Pigweed, 30 Pilea, 24 Pimpernel, 87 Pimpernel, False, 104 Pimpernel, Water, 87 Pinaceae, 1 Pin Cherry, 54 Pine, 1 Pine Drops, 84 Pine Family, 1 Pineweed, 74 Pinguicula, 105 Pink, Deptford, 34 Pink Family, 31 Pink, Fire, 33 Pink, Meadow, 34 Pink, Moss, 92 Pink, Mullein, 33 Pink, Rose, 89 Pin Oak, 23 Pinus, 1 Pinweed, 74, 75 Piperaceae, 19 Pipewort, 9 Pipewort Family, 9 Pitcher Plant, 48 Pitcher Plant Family, 48 Plane Tree Family, 51 Plantaginaceae, 107 Plantago, 107 Plantain, 107 Plantain Family, 107 Plantain, Indian, 122 Plantain, Mud, 10 Platanaceae, 51 Platanus, 51 Plum, 54 Poa, 7 Podophyllum, 40 Podostemaceae, 48 Podostemum, 48 Pogonia, 18 Poison Hemlock, 83 Poison Ivy, 69 Poison Sumach, 68 Pokeweed, 30 Pokeweed Family, 30 Polanisia, 47 Polemoniaceae, 92 Polemonium, 92 Polemonium Family, 92 Polygala, 65, 66 Polygalaceae, 65 Polygonatum, 11 Polygonaceae, 25 Polygonum, 26-28 Polymnia, 123 Polytaenia, 81 Pond Lily, 35 Pondweed, 2 Pondweed Family, 2 Pontederia, 10 Pontederiaceae, 10 Poplar, 19 Poppy, 41 Poppy, Celandine, 41 Poppy Family, 41 Poppy Mallow, 73 Populus, 19 Portulaca, 34 Portulacaceae, 34 Potamogeton, 2 Potentilla, 52, 55-57 Prairie Clover, 60 Prairie Dock, 122 Prairie Fringed Orchis, 19 Prairie June-grass, 6 Prairie Parsnip, 81 Prenanthes, 116 Prickly Ash, 65 Prickly Pear, 77 Primrose, 87 Primrose Family, 87 Primula, 87 Primulaceae, 87 Prince's Feather, 27 Prince's Pine, 85 Proserpinaca, 79 Prunella, 97 Prunus, 54 Psedera, 71 Ptelea, 65 Pterospora, 84 Puccoon, 94 Pulse Family, 58 Purple Avens, 57 Purple Coneflower, 131 Purple Fringed Orchis, 19 Purslane, 34 Purslane Family, 34 Purslane, Water, 78 Putty Root, 16 Pyenanthemum, 98 Pyrola, 84, 85 Pyrus, 52, 54, 55 Quack Grass, 6 Quaking Aspen, 19 Quassia Family, 65 Queen of the Prairie, 57 Quercus, 22, 23 Radicula, 43, 45, 46 Radish, 45 Radish, Horse, 46 Radish, Wild, 44, 45 Ragged Fringed Orchis, 19 Ragweed, 114 Ragwort, 127, 128 Ram's Head Lady's Slipper, 18 Ranunculaceae, 35 Ranunculus, 35-38 Raphanus, 44, 45 Raspberry, 53, 54 Rattlebox, 59 Rattlesnake Master, 80 Rattlesnake Plantain, 17 Rattlesnake Root, 116 Red Ash, 88 Redbud, 58 Red Cedar, 1 Red Clover, 61 Red Currant, 50 Red Maple, 70 Red Mulberry, 24 Red Oak, 23 Red Raspberry, 53 Red-root, 71 Red Sorrel, 25 Red-top, 6 Reed, 6 Reed Grass, 5 Rein Orchis, 18 Reseda, 48 Resedaceae, 48 Rhamnaceae, 71 Rhamnus, 71 Rhexia, 77 Rhus, 68, 69 Ribes, 49, 50 River Weed, 48 River Weed Family, 48 Robinia, 58 Rock Cress, 46, 47 Rocket, Sea, 45 Rock-rose Family, 74 Rosa, 52 Rosaceae, 51 Rose, 52 Rose Family, 51 Rose Mallow, 72 Rose Pink, 89 Rosin Weed, 123 Round-leaved Orchis, 17 Round-leaved Violet, 75 Rowan Tree, 52 Rubiaceae, 108 Rubus, 53, 54 Rudbeckia, 128 Rue Anemone, 39 Rue Family, 65 Ruellia, 107 Rumex, 25, 26 Rush, 10 Rush Family, 10 Rush, Twig, 8 Russian Thistle, 28 Rutabaga, 43 Rutaceae, 65 Sabbatia, 89 Sagina, 32 Sagittaria, 3 Salicaceae, 19 Salix, 20 Salmonberry, 54 Salsify, 115 Salsola, 28 Sambucus, 109 Samolus, 87 Sandalwood Family, 24 Sand Bur, 5 Sand Cherry, 54 Sand Rocket, 42, 43 Sand Spurrey, 32 Sand Violet, 76 Sanguinaria, 41 Sanguisorba, 57 Sanicula, 82 Santalaceae, 24 Sapindaceae, 70 Saponaria, 34 Sarracenia, 48 Sarraceniaceae, 48 Sarsaparilla, 80 Sarsaparilla Family, 80 Sassafras, 41 Satureja, 97 Saururus, 19 Saxifraga, 50 Saxifragaceae, 49 Saxifrage, 50 Saxifrage Family, 49 Saxifrage, Golden, 50 Scarlet Oak, 23 Scheuchzeria, 3 Schneck's Oak, 23 Scirpus, 7 Scleranthus, 31 Scorpion Grass, 94 Scrophularia, 103 Scrophulariaceae, 101 Scrub Oak, 23 Scutellaria, 96 Sea Rocket, 45 Sea-side Crowfoot, 36 Sedge, 8 Sedge Family, 7 Sedum, 48, 49 Self-heal, 97 Seneca Snakeroot, 66 Senecio, 127, 128 Senna, Wild, 60 Setaria, 4 Shag-bark Hickory, 21 Sheep-berry, 111 Sheep Laurel, 85 Shepherdia, 77 Shepherd's Purse, 46 Shingle Oak, 22 Shin-leaf, 84, 85 Shooting Star, 87 Showy Lady's Slipper, 18 Showy Orchis, 17 Sicyos, 112 Sida, 72, 73 Silene, 33, 34 Silphium, 122, 123, 127 Silver Maple, 70 Silver Weed, 55 Silvery Cinquefoil, 66 Silybum, 117 Simarubaceae, 65 Sium, 81 Sisymbrium, 43-45, 47 Sisyrinchium, 15 Skullcap, 96 Skunk Cabbage, 8 Skunk Currant, 49 Slender Nettle, 24 Slippery Elm, 24 Slough Grass, 5 Small-flowered Crowfoot, 36 Small-fruited Hickory, 21 Small Snapdragon, 103 Small Solomon's Seal, 11 Smartweed, 27, 28 Smilacina, 14 Smilax, 11 Smooth Alder, 22 Snake Mouth, 18 Snakeroot, Black, 82 Snakeroot, Seneca, 66 Snakeroot, Virginia, 25 Snapdragon, 103 Sneezeweed, 127 Sneeze Weed, 128 Sneezewort, 131 Snowberry, 85, 111 Soapberry Family, 70 Soapwort, 34 Solanaceae, 100 Solanum, 100 Solidago, 125-127 Solomon's Seal, 11 Sorbaria, 57 Sorrel, Red, 25 Sorrel, Green, 25 Sorrel, Wood, 64 Sour Dock, 26 Sour Gum, 83 Southernwood, 119 Sparganiaceae, 2 Spartina, 5 Spear Grass, 7 Spearmint, 98 Spearwort, 36 Speckled Alder, 22 Specularia, 112 Speedwell, 105 Spergula, 32 Spergularia, 32 Spice Bush, 41 Spiderwort, 9 Spiderwort Family, 9 Spikenard, 80 Spike Rush, 7 Spiraea, 53 Spiranthes, 16 Spirodela, 9 Spotted Wintergreen, 85 Spurge, 67, 68 Spurge Family, 66 Spurred Gentian, 89 Spurrey, 32 Spring Avens, 56 Spring Beauty, 34 Spring Vetch, 59 Spruce, 1 Squashberry, 111 Squaw-root, 106 Squaw Weed, 128 Squirrel Corn, 41 Squirrel-tail, 4 Stachys, 99 Staff Tree Family, 69 Staphylea, 69 Staphyleaceae, 69 Star Flower, 87 Star Grass, 14 Star of Bethlehem, 14 Starry Campion, 33 Steironema, 88 Stellaria, 32, 33 Stemless Lady's Slipper, 18 Stickseed, 94 Stinging Nettle, 24 Stitchwort, 32 St. John's-wort, 73, 74 St. John's-wort Family, 73 Stone Clover, 61 Stonecrop, 48 Stonecrop, Ditch, 49 Stork's-bill, 64 Strawberry, 56 Strawberry, Barren, 55 Strawberry Blite, 29 Streptopus, 11 Striped Maple, 70 Strophostyles, 58 Stylophorum, 41 Sugar Maple, 70 Sumach, 68, 69 Summer Grape, 72 Summer Savory, 97 Sundew, 48 Sundew Family, 48 Sundrops, 78 Sunflower, 128-130 Sunflower, Tickseed, 124 Swamp Birch, 22 Swamp Currant, 49 Swamp Dewberry, 53 Swamp Laurel, 85 Swamp Milkweed, 91 Swamp Rose, 52 Swamp Valerian, 111 Swamp White Oak, 23 Sweet Birch, 22 Sweetbrier, 52 Sweet Cicely, 82 Sweet Fern, 20 Sweet Flag, 8 Sweet Gale, 21 Sweet Gale Family, 20 Sweet White Violet, 76 Sweet William, 34, 92 Sweet William Catchfly, 34 Sycamore, 51 Symphoricarpos, 110, 111 Symphytum, 93 Symplocarpus, 8 Synthyris, 102 Syringa, 88 Taenidia, 81 Tall Dock, 26 Tamarack, 1 Tanacetum, 119 Tansy, 119 Tansy Mustard, 43 Taraxacum, 115 Taxaceae, 2 Taxus, 2 Tear-thumb, 28 Teasel, 112 Teasel Family, 112 Tephrosia, 60 Teucrium, 97 Thalictrum, 39 Thaspium, 81 Thistle, 117, 118 Thistle, Canada, 118 Thistle, Cotton, 118 Thistle, Globe, 117 Thistle, Milk, 117 Thistle, Russian, 28 Thistle, Sow, 117 Thlaspi, 46 Thorn-apple, 100 Thorny Amaranth, 30 Three-seeded Mercury, 66 Three-square, 7 Thuja, 1 Thymelaeaceae, 77 Thyme, Wild, 97 Thymus, 97 Tiarella, 51 Tickseed, 123, 124 Tickseed Sunflower, 124 Tick Trefoil, 62, 63 Tilia, 72 Tiliaceae, 72 Timothy, 4 Tipularia, 16 Toad-flax, 24, 103 Tobacco, Indian, 113 Tobacco, Wild, 101 Tofieldia, 14 Toothwort, 44 Touch-me-not, 71 Touch-me-not Family, 71 Tradescantia, 9 Tragopogon, 115 Trailing Arbutus, 85 Tree of Heaven, 65 Trientalis, 87 Trifolium, 60, 61 Triglochin, 3 Trillium, 12 Triosteum, 109 Trollius, 36 Tsuga, 1 Tulip Tree, 40 Tumble Weed, 30 Turk's-cap Lily, 12 Turtlehead, 104 Tussilago, 122 Tway-blade, 17 Twig Rush, 8 Twin-leaf, 40 Twin Flower, 109 Twisted-stalk, 11 Typha, 2 Typhaceae, 2 Ulmus, 24 Umbelliferae, 80 Umbrella-wort, 31 Upland Boneset, 122 Urtica, 24 Urticaceae, 23 Utricularia, 106 Uvularia, 12 Vaccinium, 85-87 Valerian, 111 Valeriana, 111 Valerianaceae, 111 Valerianella, 111 Valerian Family, 111 Valerian, Greek, 92 Vallisneria, 3 Velvet Leaf, 72 Venus' Looking Glass, 112 Verbascum, 101 Verbena, 99-100 Verbenaceae, 99 Verbena Family, 99 Vernonia, 122 Veronica, 104, 105 Vervain, 99, 100 Vetch, 59 Vetchling, 59 Vetch, Milk, 60 Viburnum, 111 Vicia, 59 Vinca, 90 Viola, 75, 76 Violaceae, 75 Violet, 75, 76 Violet Family, 75 Violet, Green, 75 Virginia Creeper, 71 Virginia Mallow, 73 Virginia Snakeroot, 25 Virgin's Bower, 35 Vitaceae, 71 Vitis, 72 Wahoo, 69 Waldsteinia, 55 Walnut, Black, 21 Walnut Family, 21 Water Arum, 9 Water Cress, 45 Water Crowfoot, 37 Water Dock, 26 Water Hemlock, 82 Water Hemp, 30 Water Hoarhound, 95 Water-leaf, 93 Water-leaf Family, 93 Water Lily, 35 Water Lily Family, 35 Water Lobelia, 113 Water Loosestrife, 77 Water Marigold, 123 Water Milfoil, 79 Water Milfoil Family, 79 Water Parsnip, 81 Water Pennywort, 80 Water Pimpernel, 87 Water Plantain, 3 Water Plantain Family, 3 Water Purslane, 78 Water Shield, 35 Water Smartweed, 27, 28 Water Speedwell, 105 Water Starwort, 68 Water Starwort Family, 68 Water-weed, 3 Water Willow, 107 Waterwort, 74 Waterwort Family, 74 Weeping Willow, 20 White Ash, 88 White Campion, 33 White Cedar, 1 White Clover, 61 White Elm, 24 White Fringed Orchis, 19 White Ground Cherry, 101 White Lady's Slipper, 18 White Mulberry, 24 White Oak, 23 White Pine, 1 White Poplar, 19 White Snakeroot, 122 White Spruce, 1 White Sweet Clover, 61 Whitlow Grass, 42, 46 Whorled Pogonia, 18 Wild Bean, 58 Wild Bergamot, 96 Wild Camomile, 130 Wild Carrot, 82 Wild Chives, 13 Wild Columbine, 36 Wild Comfrey, 94 Wild Crab, 54 Wild Cucumber, 112 Wild Flax, 63 Wild Geranium, 64 Wild Ginger, 25 Wild Gromwell, 94 Wild Indigo, 61 Wild Leek, 13 Wild Lettuce, 115, 116 Wild Lily of the Valley, 13 Wild Mint, 98 Wild Onion, 13 Wild Pansy, 76 Wild Parsnip, 81 Wild Pea, 59 Wild Plum, 54 Wild Potato Vine, 92 Wild Radish, 44, 45 Wild Rice, 5 Wild Rose, 52 Wild Rye, 6 Wild Sarsaparilla, 80 Wild Senna, 60 Wild Thyme, 97 Wild Tobacco, 101 Wild Yam, 14 Willow, 20 Willow Family, 19 Willow Herb, 79 Willow, Water, 107 Winter Cress, 44 Wintergreen, 86 Wintergreen, Flowering, 65 Wintergreen, One-flowered, 85 Wintergreen, Spotted, 85 Witch Grass, 5 Witch Hazel, 51 Witch Hazel Family, 51 Withe-rod, 111 Wolfberry, 110 Wolffia, 9 Wood Anemone, 38 Wood-grass, 6 Wood Lily, 12 Wood Nettle, 24 Wood Rush, 10 Wood Sage, 97 Wood Sorrel, 64 Wood Sorrel Family, 64 Wood Strawberry, 56 Wood Violet, 76 Wormseed, 29 Worm-seed Mustard, 43 Wormwood, 119 Xanthium, 114 Xyridaceae, 9 Xyris, 9 Yam Family, 14 Yam, Wild, 14 Yard Grass, 6 Yarrow, 130 Yellow Alyssum, 42, 46 Yellow Birch, 21 Yellow Cress, 43 Yellow-eyed Grass, 9 Yellow-eyed Grass Family, 9 Yellow Foxtail, 4 Yellow Fringed Orchis, 19 Yellow Ironweed, 128 Yellow Lady's Slipper, 18 Yellow Lily, 12 Yellow Mignonette, 48 Yellow Monkey Flower, 102 Yellow Oak, 23 Yellow Sweet Clover, 61 Yellow Violet, 76 Yellow Willow, 20 Yew Family, 2 Zannichellia, 2 Zanthoxylum, 65 Zizania, 5 Zizia, 81

FOOTNOTES:

Transcriber's Notes: Page xlv: Changed lobel to lobed Page 10: Changed ocntains to contains Page 39: Changed second 38a to 38b Page 89: Changed second 4a to 4b Page 94: Changed augustifolium to angustifolium Page 108: Changed second 1a to 1b Page 109: Changed --21. to --20. Page 122: Changed (springi) to (spring) Page 130: Changed autum to autumn Page 146: Changed Eveyrlasting, Pearly to Everlasting, Pearly