Lathyrus achroleucus, 191. 
venosus, 191. 
Lead plant, 154. 
Leaf-cup, ‘209. 
Leather-wood, 153, 195. 
Lechea stricta, 194. 
Leek, wild, 171. 
Leersia oryzoides, 159, 166. 
Lemna trisulca, 171. 
Leonurus cardiaca, 160, 201. 
Lepachys pinnata, 209. 
Lepidium apetalum, 184. 
intermedium, 184. 
virginicum, 160, 184. 
Leptandra virginica, 162, 202. 
Leptilon canadense, 160, 161, 208. 
Leptorchis liliifolia, 174. 
Lespedeza capitata, 190. 
leptostachya, 190. 
Lettuce, 159, 205. 
Liatris cylindracea, 206. 
graminifolia, 206. 
pycnostachya, 206. 
scariosa, 206. 
Liliwm canadense, 172. 
philadelphicum, 172. 
umbellatum, 172. 
Lily, 156, 157, 172, 182. 
Lily of the Valley, false, 172. 
‘Limnorchis hyperborea, 173. 
Linaria linaria, 202. 
vulgaris, 202. 
Linnaea americana, 204. 
borealis, 204. 
Linum sulcatum, 191. 
usitatissimum, 191. 
Liparis liltifolia, 174. 
Lithospermum angustifolium, 200. 
canescens, 200. 
gmelini, 200. 
hirtum, 200. 
latifolium, 200. 
linearifolium, 200. 
Liver-leaf, heart, 182. 
Lobelia, 157, 205. 
Lobelia inflata, 161, 205. 
leptostachys, 205. 
spicata, 205. 
Locust, 153, 155, 156, 190. 
. Lonicera, 153. 
dioica, 204. 
glauca, 204. 
sullivantis, 204. 
tatarica, 204. 
Loosestrife, 197. 
Lophanthus repetoides, 201. 
Scrophulariaefolius, 201. 
Lopseed, 203. 
Lousewort, 203. 
Ludwigia polycarpa, 195. 
INDEX. 219 
Lungwort, 156, 157, 200. 
Lupine, 189. 
Lupinus perennis, 189. 
Lychnis alba, 181. 
githago, 181. 
vespertina, 181. 
Lycopodium lucidulum, 164. 
Lycopus americanus, 202. 
cinuatus, 202. 
virginicus, 201. 
Lyme-grass, 168. 
Lysias hookeriana, 173. 
t 
Macrocalyx nyctelea, 160, 199. 
Mallow, 159, 194. 
Malus iowensis, 153, 188. 
Malva crispa, 194. 
rotundifolia, 159, 194. 
Maple, 158, 154, 155, 156, 193. 
Marigold, marsh, 157, 182. 
Marsh-elder, burweed, 160, 205. 
May-apple, 158, 183. 
Mayweed, 210. 
Meadow-grass, 167. 
Meadow-rue, 183. 
Meadow-sweet, 153, 186. 
Medicinal plants of WinnesHiek coun- 
ty, 161. 
Meibomia grandifolia, 190. 
longifolia, 190. 
paucifiora, 190. 
Melica mutica, 167. 
Melilotus alba, 159, 189. 
Officinalis, 159, 189. 
Melioliz serrulata, 195. 
Menispermum canadense, 162, 183. 
Mentha canadensis, 202. 
Mercury, three seeded, 160. 
Mertensia, 156, 157. 
paniculata, 200. 
virginica, 200. 
Mesadenia antiplicifolia, 211. 
reniformis, 211. 
tuberosa, 211. : 
Mexican dropseed, 166. 
Micrampelis lobata, 204. 
Microstylis ophioglossoides, . 171. 
Milkweed, 160, 198. 
Milkwort, 192. 
Millet, German, 166. 
Mimulus jamesii, 202. 
ringens, 202. 
Mint, 157, 202. 
Mitchella repens, 203. 
Mitella diphylla, 158, 186. 
Moehringia laterifiora, 181. 
Mollugo verticillata, 180. | : 
Monarda fistulosa, 201. 
scabra, 157, 201. 
