INDEX 



109 



Dicentra, 44 

 Dicksonia, 3 

 Dicotyledons, 31 

 Diervilla, 80 



DlPSACE^E, 82 



Dipsacus, 82 

 Dirca, 62 

 Dock, 37 

 Dodder, 71 

 Doellingeria, 85 

 Dogbane, 71 

 Dogwood, 66 

 Draba, 46 

 Drosera, 47 

 Droserace^e, 47 

 Dryopteris, 1 

 Duckweed, 25 

 Dulichium, 22 

 Dutchman's-breeches, 44 

 Eatonia, 12 

 Echinocystis, 82 

 Echinospermum, 72 

 Echium, 72 

 Eel-grass, 9 

 El.eagnace.e, 62 

 Elder, 81 

 Elderberry, 81 

 Elecampane, 88 

 Eleocharis, 23 

 Elm, 35 

 Elodea, 9 

 Elodes, 61 

 Elymus, 12 



EMPETRACEiE, 58 



Empetrum, 58 [63 



Enchanter's Nightshade, 

 Epigtea, 67 

 Epilobium, 63 

 Epiphegus, 79 

 Equisetace.e, 4 

 Equisetum, 4 

 Eragrostis, 12 

 Erechtites, 86 

 Ericaceae, 66 

 Erigeron, 86 

 Eriocaule.e, 26 

 Eriocaulon, 26 

 Eriophorum, 23 

 Erodium, 56 

 Erysimum, 46 

 Erythronium, 27 

 Eupatorium, 87 

 Euphorbia, 57 

 Euphorbiace.e, 57 

 Euthamia, 90 

 Everlasting, 83, 87 

 Fagopyrum, 36 

 Fagus, 34 

 Falcata, 53 

 Fern Plants, 1 



Fern, Sweet, 32 

 Festuca, 13 

 Ficoide.e, 38 

 Figwort, 78 

 Filices, 1 

 Fimbristylis, 23 

 Fireweed, 63. 86 

 Flag, Blue, 29 



Sweet, 25 

 Flax, 57 



False, 45 

 Fleabane, 86 

 Floerkea, 56 

 Forget-me-not, 72 

 Foxtail, 10, 12 

 Fragaria, 50 

 Fraxinus, 70 

 Fringe, Mountain, 44 

 Fumaria, 44 

 Fumariace^e, 44 

 Fumitory, 44 

 Gale, Sweet, 32 

 Galeopsis, 73 

 Galinsoga, 87 

 Galium, 80 

 Gaultheria, 67 

 Gaylussacia, 67 

 Gentian, 70 

 Gentianace.e, 70 

 Geraniace.e, 56 

 Geranium, 56 

 Gerardia, 77 

 Germander, 75 

 Geum, 50 

 Ginger, Wild, 36 

 Ginseng, 111 

 Glecoma, 75 

 Glyceria, 13, 104 

 Gnaphalium, 87 

 Goat's-beard, 91 

 Goldenrod, 90 

 Golden-seal, 42 

 Goldthread, 42 

 Goodyera, 30 

 Gooseberry, Wild, 48 

 Gramineje, 9 

 Grape, 60 

 Graphephorum, 13 

 Grass, 9 



Blue-eyed, 29 

 Grass-of-Parnassus, 48 

 Gratiola, 77 

 Green-brier, 28 

 Gromwell, 72 

 Ground Ivy, 25 

 Ground-nut, 53, 64 

 Groundsel, 89 

 Gymnosperms, 5 

 Gymnostichum, 10 

 Gyrostachys, 31 



Habenaria, 30 

 Hackberry, 35 

 Halenia, 70 

 Halorage^e, 63 

 Hamamelide.e, 49 

 Hamamelis, 49 

 Hardback, 53 

 Harebell, 82 

 Hawk weed, 88 

 Hawthorn, 50 

 Hazelnut, 34 

 Heath, 66 

 Hedeoma, 73 

 Hedysarum, 55 

 Helianthemum, 61 

 Helianthus, 87 

 Heliopsis, 88 

 Hellebore, False, 28 

 Hemerocallis, 27 

 Hemlock, (5 



Ground, 6 



Poison, 65 



Water, 64 

 Hemp, 35 



Indian, 71 

 Henbane, 76 

 Hepatica, 42 

 Heracleum, 65 

 Herb Robert, 56 

 Hesperis, 46 

 Heteranthera, 26 

 Hibiscus, 60 

 Hickory, 31 

 Hicoria, 31 

 Hieracium, 88 

 Hierochloe, 13 

 Hippuris, 64 

 Hobblebush, 81 

 Holcus, 13 

 Holly, 58 



Homalocenchrus, 13 

 Honeysuckle, 81 

 Hop, 35 

 Hordeum, 13 

 H ore hound, 74 

 Hornbeam, 34 

 Horseradish, 46 

 Horsetail, 4 

 Horseweed, 87 

 Hound' s-tongue, 72 

 Houstonia, 80 

 Huckleberry, <>7 

 Hudsonia, (>1 

 Humulus, 35 

 Hungarian-grass, 11 

 Hydrastis, 42 



IlYnROCHARIDACE-E, 9 



Hydrocotyle, 65 

 Hydrophyixace.e, 72 

 Hydrophyllum, 72, 106 



