510 



INDEX. 



Polygonum tenue, 446 



" viviparum, 447 



Polypogon fugax, 485 

 " littoralis, 485 



" Monspeliensis, 485 



Populus angustifolia, 468 



" balsamifera, 469 



" candicans, 469 



" longifolia, 469 



" monilifera, 468 



" tremuloides. 468 



" trichocarpa, 469 

 Portulacaceae, 248 

 Portulaca oleracea, 248 

 Potentilla flabettiformis, 289 

 " fruticosa, 289 

 " gracilis, 289 

 " millegrana,..2S9 

 " palustris, 290 

 " rivalis, 289 

 Prenanthes runcinata, 371 

 " tenuifolia, 371 



Primulacese, 389 

 Prunella vulgaris, 407 

 Prunus emarginata, 284 



" ilicifolia, 285 



" mollis, 284 



" rivularis, 292 



" sambucifolia, 292 



" serotina, 284 



" Yirginiana, 284 

 Psoralea lanceolata, 269 



" macrostachya, 269 



" orbicularis, 269 



" physodes, 269 

 Pterospora Andromedoa, 385 

 Ptilophora major, 370 

 Pulmonaria oblongifolia, 412 



• " Sibirica, 412 



Purshia tridentata, 287 

 Pycnanthemum Californicum, 404 

 Pyrola aphylla, 284 



" bracteata, 283 



» chlorantha, 283 



» data, 283 



" minor, 284 



Pyrola rotundifolia, 383 

 " secunda, 284 

 " uniflora, 384 

 Pyrus Americana, 292 

 Quercus acutiglandis, 460 

 " agrifolia, 460 

 " chrysolepis, 459 

 " coccinea, 463 

 " crassipocula, 459 

 " densiflora, 458 

 Douglasii, 462 

 " echinacea, 458 

 " fulvescens, 459 

 " G-arryana, 462 

 " Hindsii, 461 



Kelloggii, 463 

 « lobata, 461 

 " longiglanda, 462 

 « oblongifolia, 460 

 " oxyadenia, 460 

 " Ransomi, 460 

 " tinctoria var., 460 

 " virens, 458 

 Ranunculacese, 211 

 Eanunculus affinis, 213 

 " aquatilis, 213 



" Flammula, 213 



" glaberrimus, 214 



" Nelsonii, 214 



" occidentalis, 214 



" orthorhynchus, 214 



" Pennsylvanicus, 214 



" repens, 215 



" tenellus, 214 



Rhamnaceae, 261 

 Bhamnus alnifolius, 262 

 " Calif ornicus, 261 

 " croceus, 262 

 " laurifolius, 261 

 " oleaefolius, 261 

 " PursManus, 262 

 " tomentellus, 261 

 Rhinanthus Crista-galli, 402 

 Rhododendron albifloruiii, 382 



" calendulaceum, 381 



" macrophyllum, 382 



