438 



INDEX. 



Hierochloe, 23 

 Hilaria, 20 

 Hippurus, 249 

 Hoffmanseggia, 194 

 Hog's-bean, 303 

 Hogs' Potatoe, 77 

 Hog-weed, 328 

 Holly-Fern, 2 

 Holodiscus, 1 88 

 Holy Grass, 23 

 Homalobus, 208 

 Homalocenchrus, 22 

 Honey Clover (Melilotus) 

 Honeysuckle Family, 323 

 Hop-tree, 221 

 Hops, 100 



Hoarhound, Water, 299 

 Hoarhound, White, 296 

 HORDED, 52 

 Hordcnm, 55 

 Horkelia, 185 

 Horse-mint, 298 

 Horseweed, 366 

 Horsetail, 5 

 Horsetail Family, 5 

 Hosackia, 202 

 Huckleberry, 260 

 Huckleberry Family, 260 

 Humiilus, 100 

 Hungarian Grass, 21 

 HYNDRANGEACE.E, 175 

 Hydrangea Family, 175 

 HYDROCHARITALES, 15 

 HYDROLEACE.E, 281 

 Hydrophyllum, 282 

 Hymenatherum, 381 

 Hymenopappus, 376 

 Hynienoxis, 380 

 Hyoscyamus, 303 

 HYPERICACE^:, 231 

 HYPERICALES, 231 

 Hypericum, 231 

 Hyssop, Hedge, 312 



Ibidium, 89 



Indian Bread-root, 213 



Indian Hemp, 269 



Indian Mallow, 231 



Indian Millet (Rriocoma) 



Indian-pipe Family, 258 



Indian Grass, 20 



Indigo, False, 213 



lonoxalis, 220 



lonidium, 234 



Ipomcea 273 



Iris, 86 



Iris, 86 



Iris Family, 86 



Iron Weed, 335 



Isocoma, 342 



ISOETACE^E, 5 

 ISOETALES, 5 



Isoetes, 5 



Italian Millet, 21 



Iva, 328 



Ivy, American, 228 



Ivy, Poison, 225 



Ivy Family, 249 



IXIACE^E, 86 



Jacob's Ladder, 280 

 Jamesia, 176 

 Jimson-weed, 303 

 Joe-Pye Weed, 335 

 Johnson Grass, 20 

 Joint-firs, 10 

 Joint-fir Family, 10 

 Jonesiella, 206 



JUNCACE^E, 77 



Juncoides, 80 

 Juncus, 77 

 June-berry, 191 

 June-grass, 38 

 JUNIPERACE^, 9 

 Juniper, Creeping, 10 

 Juniper, Low, 9 

 Juniper, Mountain, 9 

 Juniper Family, 9 

 Junipers, 9 

 Juniperus, 9, 10 

 Jussicea 



Kalmia, 260 

 Kalstroemia, 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 



Lactuca, 410 



Ladies' Slipper, 87 



Ladies' Tresses, 89 



Lady-Fern, 4 



Lady's Thumb, in 



Lamb's Quarters, 114 



LAMIACE^E, 294 



Lappula, 285 



Larkspur, 137 



Larrea, 221 



Lathyrus, 216, 217 



Laurel, American or Swamp, 260 



Lavauxia, 246 



Lead-plant, 213 



