438 



INDEX. 



Hierochloe, 23 

 Hilaria, ro 

 Hippurus, ;249 

 Hoffmanscggia, 194 

 Hog's-bean, 303 

 Hogs' Potatoe, 77 

 Hog-weed, 328 

 Holly-Fern, 2 

 Holodiscns, 188 

 Holy Grass, 23 

 Homalobus, 208 

 Homaloccnchrus. 22 

 Honey Clover {Melilotus) 

 Honeysuckle Family, 323 

 Hop-tree, 221 

 Hops, 100 



Hoarhound, Water, 299 

 Hoarhound, White, 296 

 HoRDEii:, 52 

 Hordeum, 55 

 Horkelia, 185 

 Horse-mint, 298 

 Horseweed, 366 

 Horsetail, 5 

 Horsetail Family, 5 

 Hosackia, 202 

 Huckleberry, 260 

 Huckleberry Family, 260 

 Humnlus, 100 

 Hungarian Grass, 21 

 Hyndrangeaceje, 17s 

 Hydrangea Family, i75 

 Hydrocharitales, is 



HYDROLEACEiE, 281 



Hydrophyllum, 282 

 Hymenatherum, 381 

 Hymenopappus, nd 

 Hymenoxis, 380 

 Hyoscyamus, 303 

 hypericace.e, 231 

 Hypericales, 231 

 Hypericum, 231 

 Hyssop, Hedge, 312 



Ibidium, 89 



Indian Bread-root, 213 



Indian Hemp, 269 



Indian Mallow, 231 



Indian Millet (Eriocoma) 



Indian-pipe Family, 258 



Indian Grass, 20 



Indigo, False, 213 



lonoxalis, 220 



lonidiutn, 234 



Ipomoea 273 



Iris, 86 



Iris, 86 



Iris Family, 86 



Iron Weed, 335 



Isocoma, 342 



Isoetace.e, 5 

 Isoetales, 5 

 Jsoetes, 5 

 Italian Millet, 21 

 Iva. 328 



Ivy, American, 228 

 Ivy, Poison, 225 

 Ivy Family, 249 

 Ixiace^, 86 



Jacob's Ladder, 280 

 Jamesia, 176 

 Jimson-weed, 303 

 Joe-Pye Weed, 335 

 Johnson Grass, 20 

 Joint-firs, 10 

 Joint-fir Family, 10 

 Jonesiclla, 206 

 JuNCACEiE, 77 

 Juncoides, 80 

 Junctis, 77 

 June-berry, 191 

 June-grass, 38 

 JuniferacevE, 9 

 Juniper, Creeping, 10 

 Juniper, Low, 9 

 Juniper, Mountain, 9 

 Juniper Family, 9 

 Junipers, 9 

 Juniperus, 9, 10 

 Jussiwa 



Kahnia, 260 

 Kalstrcvmia, 220 

 Kentrophyta, 208 

 Kinnikinick, 259 

 Kitten-tails (Besseya) 

 Knot-weed, 109 

 Kobresia, 60 

 Kochia, 119 

 Koeleria, 38 

 Krynitskia, 286-289 

 Kuhnia, 335 

 Kunzia, 1 89 



Laciniaria, 336 



Lactnca, 410 



Ladies' Slipper, 87 



Ladies' Tresses, 89 



Lady-Fern, 4 



Lady's Thumb, in 



Lamb's Quarters, 114 



LamiacevE, 294 



Lappula, 285 



Larkspur, 137 



Larrea, 221 



Lathyrus, 216, 217 



Laurel, American or Swamp, 260 



Lavauxia, 246 



Lead-plant, 213 



