220: 
-Monkey-flower, 202. 
monotropa hypopitys, 197. 
unifiora, 197. 
-Moonseed, 183. 
Moonwort, 157, 163. 
Motherwort, 160, 201. 
Mugwort, saw-leaf, 210. 
Muhienbergia glomerata, 159, 166. 
mexicana, 159, 160, 166. 
sylvatica, 166. 
Mullein, 160. 
Musk-root, 204. 
Mustard, 160, 184, 185. 
Nebalus albus, 205. 
racemosus, 205. 
Napaea dioica, 194. 
Nasturtium armoracia, 184. 
officinale, 184. 
palustre, 184. 
Negundo aceroides, 193. 
Nepeta cataria, 201. 
glechoma, 201. 
Nephrodium goldieanum, 164. 
thelypteris, 157, 164. 
Nettle, 160, 201. 
New Jersey tea, 154, 155, 193. 
Nightshade, 160, 195. 
Nine bark, prairie, 153, 155, 186. 
Nut grass, yellow, 168. 
Nuphar advena, 182. 
Nyctelea, 160, 199. 
Nymphaea advena, 182. 
odorata, 182. 
Oak, 154, 155, 156, 176, 177. 
Oaekesia sessilifolia, 171. 
Oats, grama, 167. 
Onagra biennis, 160, 195. 
Onion, wild, 158, 171, 172. 
Onoclea sensibilis, 157, 163. 
strythiopteris, 163. 
Onosmodium carolinianum, 200. 
molle, 200. 
Opulaster intermedius, 153, 186. 
Orange root, 182. 
Orchis spectabilis, 157, 173. 
Ornamental plants, care of, 158. 
Orr, E., 148. 
Oryzopsis melanocarpa, 106. 
Osmorrhiza brevistylis, 196. 
Osmunda claytoniana, 157, 163. 
Ostrya virginiana, 154, 176. 
Oxalis, yellow, 160. _ 
Oxalis corniculata, 191. 
stricta, 160, 191. 
violacea, 191. 
Ox-eye, rough, 209: 
INDEX. 
Ozybaphus nyctagineus, 180. 
Painted-cup, 203. 
Pammel, L. H., cited, 148. 
Panazr quinquefolium, 196. 
Panicum, 165. 
Panicum capillare, 160, 165. 
crus-galli, 159, 165. 
dichotomum, 160, 165. 
glabrum, 160, 165. 
latifolium, 165. 
sanguinale, 160, 165. 
scribnerianum, 165. 
unciphyllum, 165. 
Parictaria pennsylvanica, 178. 
Parilla, yellow, 183. 
Parnassia caroliniana, 185. 
Parsnip, 159, 196. 
Parthenium intergrifolium, 209. 
Parthenocissus quinquefolia, 154, 193 
Partridge-berry, 203. 
Partridge pea, 160, 189. 
Pasque-flower, 157, 183. 
Pastinaca sativa, 159, 196. 
Pea, veiny, 191. 
Pea-nut, hog, 131. 
Pedicularis canadensis, 203. 
lanceolata, 203%. 
Pellaes atropurpureda, 164, 
gracilis, 164. 
Pennyroyal, 200, 201. 
Penthorum sedoides, 185. 
Pentstemon, 157. 
Pepper grass, 160, 184. 
Pepper root, 184. 
Peramium pubcscens, 174. 
Persicaria, 179. 
Petalostemon candidus, 190. 
violaceus, 190. 
Phegopteris calarea, 163. 
‘ robertiana, 163. 
Philotria canadensis, 170. 
Phieum. pratense, 166. 
Phlox, 156, 157, 199. 
Phlox divaricata, 157, 199. 
pilosa, 199. 
Phryma leptostachya, 203. 
Physalis lanceolata. 202. 
philadélphica, 202. 
pubescens, 160. 
virginiana, 202. 
Physocarpus opulifolius, 186. 
Physostegia parvifolia, 201. 
virginiana, 201. 
Pigweed, 180. 
Pilea pumila, 178. 
Pimpernel, yellow, 196. 
Pimpinella integerrima, 196. 
Pine, 154, 155, 156, 164. 
Pine-sap, 197. 
