INDEX 357 



Polygala, Field . . . . . ....... 210 



Polygala, Fringed . . ......... 210 



Polygala paucifolia .......... 210 



Polygala sanguinea ........... 210 



Polygonatum biflorum .......... 16 



Polygonatum commutatum ........ 16 



Polygonum amphibium ......... 248 



Polygonum pennsylvanicum ........ 248 



Polygonum Persicaria ..... ..... 248 



Pontederia cordata ........... 292 



Potentilla canadensis .......... 114 



Prenanthes altissima .......... 332 



Primrose, Common Evening ........ 154 



Prince's Pine ............ 234 



Prunella vulgaris ........... 284 



Pussy's Toes ............. 12 



Pyrola americana ........... 38 



Pyrola elliptica ............ 38 



Pyrola, One-flowered .......... 38 



Pyrola, Round-leaved .......... 38 



Pyxidanthera barbulata . ....... 94 



Pyxie ............... 94 



Queen Anne's Lace ........... 88 



Queen of the Prairie .......... 261 



Radicula Nasturtium-aquaticum ....... 99 



Ragwort, Golden ........... 128 



Raspberry, Purple Flowering ....... 230 



Rattlesnake Plantain, Downy ....... 62 



Rattlesnake-root ........... 332 



Rattlesnake- weed ........... 174 



Red-root .............. 100 



Rheumatism Root ........... 96 



Rhexia mariana ............ 246 



Rhexia virginica ............ 246 



Rhododendron nudiflorum ......... 208 



Rhododendron viscosum ......... 100 



Rhus Toxicodendron . ...... 34 



Rhus Vernix ............. 34 



Rich-weed ............. 184 



Rocket, Yellow ............ 150 



Rockrose ...... . ....... 182 



Rosa blanda ............. 262 



