INDEX 



laevigatus 305 



tubiflorus 305 



Pepper Family 72 



Root 133 



Peppergrass, Wild. ... 125 



Peppermint 291 



Perilla frutescens 292 



Petalostemum candidum 



167 



foliosum 167 



purpureum 166 



Phacelia bipinnatifida.258 



dubia 258 



Loose-flowered 258 



Purshii 258 



Pursh's 258 



Small-flowered 258 



Phaseolus polystachyus 



173 



Phlox, Blue 253 



divaricata 253 



glaberrima 252 



maculata 253 



pilosa 252 



Prairie 252 



Smooth 252 



Phryma Leptostachya.317 



PHRYMACEAE 317 



Physalis heterophylla.296 



lanceolata 296 



Physostegia denticulata 



282 



virginiana 281 



Phytolacca americana. 80 

 PHYTOLACCACEAE. 80 



PiCKERELWEED 46 



Family 46 



Narrow-leaved 46 



Pie Marker 193 



Pig Daisy 377 



Pigeon Berry 80 



Pink Family 82 



Fire 86 



Grass 70 



Indian 234 



Mullein 84 



Old-maid's 88 



Rose 235 



Wild Bean 1 74 



PIPERACEAE 72 



Pipevine, Woolly. ... 77 



Pitcher Plant 137 



Family 137 



Pitchforks. Devil's. . .372 



Plant, Beefsteak 292 



Compass 359 



Corpse 227 



Cup 360 



Gum 345 



Lead 165 



Oyster 385 



Pitcher 137 



Wild Sensitive 159 



Plantain. Pale Indian.380 



Robin's 354 



Tuberous Indian. . .380 



Water 37 



White 356 



Plantain-leaved Ever- 

 lasting 356 



Pleurisy Root 243 



Plum. Ground 169 



Podophyllum peltatum 



115 



Pointed-leaved Tick Tre- 

 foil 170 



Poison Dogwood 185 



Ivy 185 



Oak 185 



Sumach 185 



Poke. Common 80 



Milkweed 246 



Pokeberry 80 



Pokeweed 80 



Family 80 



Polanisia graveolens .136 



trachysperma 136 



POLEMONIACEAE. . 252 

 Polemonium Family. 252 



reptans 254 



Poly gala sanguinea. .180 



Senega 180 



POLYGALACEAE . . . 180 

 POLYGONACEAE .78 

 Polygonatum biflorum 59 



commutatum 59 



Polygonum Convolvulus 



79 



Muhlenbergii 79 



scandens 79 



virginianum 78 



Polymnia canadensis . 358 



uvedalia 358 



Pond Lily, Yellow 91 



Pontederia cordata. . . 46 



angustifolia 46 



PONTEDERIACEAE. 46 

 Poppy. Celandine. . . .120 



F.VMILY 119 



Mallow 194 



Portulaca oleracea ... 90 

 PORTULACACEAE. . 89 

 Potentilla Anserina. . . 152 



arguta 152 



canadensis 152 



fruticosa 151 



monspeliensis 152 



recta 151 



Tall 152 



Prairie Anemone 105 



Blazing Star 344 



Clover. Leafy 167 



Purple 166 



White 167 



Coneflower 363 



Dock 359, 361 



Gentian 237 



Ground Cherry .... 296 



Milkweed 245 



Onion 51 



Phlox 252 



Rose 156 



Sunflower 368 



Talinum 90 



Tickseed 371 



Prenanthes alba 391 



racemosa 391 



trifoliata 391 



Prickly Ash, Northern 



178 



Gooseberry 143 



Lettuce 389 



Pear 204 



Sida 194 



Primrose. Common 



Evening 210 



Family 230 



Northern Evening.. 210 



PRIMULACEAE 230 



Prunella vulgaris .... 280 

 Psoralea, Few-flowered 



164 



Onobrychis 164 



tenuiflora 164 



Ptelea trifoliata 179 



mollis 179 



Puccoon, Gmelin's . . . 265 



Hairy 265 



Hoary 265 



Narrow-leaved 264 



Pulse Family 157 



Purple Bergamot .... 285 



Coneflower 366 



Narrow-leaved. . .366 



Pale 366 



Cudweed 357 



Everlasting 357 



Fringed Orchis 69 



Gerardia 312 



Giant Hyssop 277 



Jimson Weed 298 



Milkweed 244 



Milkwort 180 



Prairie Clover 166 



Rocket 132 



Spring Cress 134 



Trillium 60 



Vetch 172 



Purple-head Sneezeweed 



374 



Purple-leaved Hawkweed 



392 



Purple-stemmed Angelica 



223 



Pursh's Phacelia 258 



Purslane, Common.. 90 



Family 89 



Speedwell 310 



Water . . • 208 



Pussley 90 



Pussytoes 356 



Puttyroot 71 



Pycnanthemum flexuosum 



289 



virginianum 289 



Pyrus angustifolia. ... 147 



coronaria 147 



ioensis 147 



Q 



Quamash 56 



Queen Anne's Lace. . . 224 



of the Meadow. . . . 146 



Quinine, Wild 361 



R 



Radicula Nasturtium- 



aquaticum. ... 130 



palustris 130 



Ragged Green Orchis. 70 



Robin 84 



Ragwort, Golden 381 



401 



