290 



INDEX. 



Polygonum Bistorta, 236 



Hydropiper, 236 



punctatum, 236 

 Polypetalous Exogenous Plants, 57 

 Polypodium vulgare, 277 

 Polypody, 277 

 Poplar, 254 

 Populus, 254 



balsamifera, 255 



var. candicans, 255 



tremuloides, 254 

 Potentilla Canadensis, 140 

 Prickly ash, 115 

 Prince's pine, 197 

 Prunus, 135 



Canadensis, 136 



serotina, 135 



Virginiana, 136 

 Psoralea, 131 



esculenta, 131 



melilotoides, 131 

 Ptelea trifoliata, 116 

 Pteris aquilina, 278 

 Pycnanthemum, 210 



incanum, 210 



linifolium, 210 

 Pyroles, 190 



Queen' s-root, 242 

 Quercus alba, 249 



Rag-weed, 178 

 Ranunculaces, 57 

 Ranunculus, 61 



acris, 62 



bulbosus, 62 



repens, 62 



sceleratus, 62 

 Raspberry, 142 

 Rattlesnake-root, 187 

 Rattlesnake- weed, 186 

 Rattlesnake's master, 150 

 Red baneberry, 69 



buckeye, 127 



cedar, 261 



elm, 243 



mulberry, 244 



raspberry, 142 

 Red-root, 123 

 Rhamnacejs, 122 

 Rhamnus, 122 



catbartica, 122 



Purshiana, 122 

 Rheumatism-root, 79 

 Rhus, 117 



copallina, 118 



diversiloba, 120 



glabra, 117 



pumila, 120 



Toxicodendron, 119 



typhina, 118 



venenata, 120 

 Robinia Pseudacacia, 132 

 Rock rose, 100 

 Rosacea, 135 



Round-leaved dogwood, 158 

 Rubiace^:, 167 

 Rubus, 141 



Canadensis, 141 



occidentalis, 142 



strigosus, 142 



trivialis, 142 



villosus, 141 

 Rumex, 237 



aguatic-us, 238 



crispus, 238 



orbicularis, 238 

 Running blackberry, 141 

 RUTACEiE, 115 



Sabbatia angularis, 221 

 Sacred bark, 122 

 St. John's-wort, 102 

 Salicace^e, 253 

 Salix, 253 



alba, 254 

 Sambucus Canadensis, 163 

 Sanguinaria Canadensis, 86 

 Sanicle, 150 



Sanicula Marilandica, 150 

 Sapindace^e, 126 

 Saponaria officinalis, 103 

 Sarracenia, 84 



flava, 85 



purpurea, 84 



variola ris, 85 

 Sarraceniace^e, 84 

 Sassafras officinale, 239 

 Saxipragace^e, 143 

 Saxifrages, 144 

 Scokeweed, 234 

 Scolopendrium vulgare, 279 



SCROPHULARIACE,E, 203 



Scrophularia nodosa, 205 

 Scutellaria laterifloi a, 213 

 Sea lavender, 200 

 Seneca snakeroot, 128 

 Senecio aureus, 184 

 Senega, 128 

 Serpentaria, 233 

 Sheep-laurel, 195 

 Sheep-sorrel, 114 

 Shepherd's purse, 96 

 Shield-fern, 279 

 Shrubby trefoil, 116 

 Shrub yellow-root, 66 

 Side-saddle flower, 84 

 Silene Virginica, 104 

 Silky cornel, 158 

 Sinapis alba, 95 



nigra, 95 

 Skullcap, 213 

 Skunk cabbage, 264 

 Slippery elm, 243 

 Smartweed, 236 

 Smooth sumac, 117 

 Sneeze-weed, 180 

 Soapwort, 103 

 Solanaces, 216 « 



Solanum Dulcamara, 216 





