344 



INDEX. 



Mustard, 201. 



Myrica, 291. 



MYRICACE^E (Sweet-Gale Family), 



291. 



Myriophyllum, 228. 

 Myosoiis, 263. 



Nabalus, 250. 



NAIADACE^ (Pondweed Family), 

 302. 



Naias, 302. 



Naked Orchis, 297. 



Narcissus, 300. 



Narcissus, 300. 



Narrow-leaved Aster, 244. 



Narrow-leaved Wild Basil, 277. 



Nasturtium, 212. 



Nepeta, 278. 



Nerium, 259. 



JVescea, 229. 



Nettle, 289. 



Nettle-leaved Vervain, 273. 



New England Aster, 244. 



Nicandra, 266. 



Nicotiana, 265. 



Nightshade, 266. 



Nodding Trillium, 305. 



None-such, 219. 



Nuphar, 196. 



NYCTAGINACE^E, 281. 



Nymphaa, 196. 



NYMPH^ACE^: (Water Lily Fami- 

 ly), 196- 



Oak-leaved Gerardia, 271. 



Oat, 320. 



Oat Grass, 320. 



CEnothera, 230. 



OLEACE^E (Olive Family), 257. 



Oleander. 259. 



ONAGRACE^: (Evening Primrose 



Family), 229. 

 Onion, 307. 

 Opium Poppy, 198. 

 Opuntia, 232. 

 Orange, 212. 

 Orchard Grass, 318. 

 ORCHIDACE^E (Orchid Family), 



296. 



Orchis, 296. 

 Ornithogalum, 307. 

 Orpine, 227. 

 Osier, 295. 



Osmorhiza, 236. 

 Ostrya, 293. 



Oval-leaved Pyrola, 255. 

 Oxalis, 211. 

 Ox-eye Daisy, 246. 



P&onia, 194. 

 Painted Cup, 271. 

 Pale Corydalis, 198. 

 Pale Sedge, 314. 

 Panicled Andromeda, 254. 

 Panicum, 321. 

 Pansy, 203. 

 Pap aver, 198. 

 PAPAVERACE/E, 197. 

 Paper Birch, 294. 

 Parsnip, 254. 



Partridge-Berry, 240, 254. 

 Paspalum, 321. 

 Pastlnaca, 235. 

 Pasture Sedge, 314. 

 Pasture Thistle, 249. 

 Pea, 217. 

 Peach, 220. 

 Pear, 224. 



Pearl Everlasting, 248. 

 Pearl wort, 207. 

 Pedicularis, 271. 

 Pelargonium, 21 1. 

 Peltandra, 304. 

 Pennyroyal, 278. 

 Pennywort, 233. 

 Penthorum, 227. 

 Peony, 194. 

 Peppermint, 276. 

 Pepper-root, 201. 

 Persian Lilac, 257. 

 Petunia, 265. 

 Phalatis, 321. 

 Phaseolus, 217. 

 Philadelphia, 226. 

 Phleum, 317. 

 Phlox, 261. 

 Phryma, 274. 

 Phy satis, 266. 

 Physostegia, 279. 

 Phytolacca, 283. 

 PHYTOLACCACE^;, 283. 

 Pickerel -weed, 310. 

 Pignut, 291. 

 Pinus, 323. 

 Pisum, 2J7. 

 Pitcher-plant, 198. 



