586 
Plant, — Continued 
Ginger, 495 
Mosquito, 358 
Oyster, 533 
Paint, 341 
Pearl, 340 
Polar, 447 
Purse, 202 
Rosin, 448 
Shirt-button, 280 
Shoofly, 282 
Sweating, 417 
Umbrella, 129 
Yellow Locust, 218 
Plantago arenaria, 396 
aristata, 394 
lanceolata, 392 
major, 391 
media, 394 
Rugelli, 392 
Plantain, Birdseed, 391 
Black, 392 
Broad-leaved, 391 
Common, 391 
Dooryard, 391 
Hoary, 394 
Large-bracted, 394 
Narrow-leaved, 392 
Pale, 392 
Red-stem, 392 
Robin's, 436 
Rugel’s, 392 
Sandwort, 396 
White, 441 
Whorled, 396 
Woolly, 394 . 
Plume-seed, 419 
Poinsettia heterophylla, 270 
Poison, Beaver, 301 
Dog, 303 
Sheep, 308 
Poison Ash, 273 
Poison Creeper, 274 
Poison Dogwood, 273 
Poison Elder, 273 
Poison Ivy, 274 
Poison Oak, 274 
Poison Rhubarb, 502 
Poison Sego, 76 
Poison Stinkweed, 300 
Poison Sumac, 273 
Poisonweed, 311 
INDEX 
Pokeberry, 128 
Poke, Virginia, 128 
Pokeweed, 128 
Polanisia graveolens, 198 
Polygonum aviculare, 97 
convolvulus, 104 
emersum, 99 
erectum, 98 
Hydropiper, 101 
hydropiperoides, 102 
Muhlenbergii, 99 
pennsylvanicum, 100 
Persicaria, 102 
ramosissimum, 98 
scandens, 105 
Poorland Flower, 493 
Poor Robin, 436 
Pop-dock, 382 
Poppy, Bubble, 148 
Corn, 170 
Field, 170 
Long Smooth-fruited, 171 
Mexican, 172 
Prickly, 172 
Thistle, 172 
Portulaca oleracea, 152 
Portulaca, Wild, 152 
Potato, Canada, 467 
Hog’s, 76 
Potentilla Anserina, 208 
argentea, 206 
canadensis, 209 
fruticosa, 207 
monspeliensis, 205 
Prenanthes aspera, 552 
racemosa, 551 
serpentaria, 553 
Prickly Pear, 287 
Brittle, 288 
Pricket, 200 
Primrose, Day, 296 
Evening, 295 
Field, 295 
Perennial, 296 
Tree, 295 
Prunella vulgaris, 352 
Prunus serotina, 217 
virginiana, 218 
Pteris aquilina, 17 
Puccoon, Hoary, 341 
Pudding-bags, 202 
Poor-man’s Weather-glass, 311 
