INDEX. 



509 



Peucedanum tomentosum, 319 

 " triternatum, 318 



" utriculatum, 319 



Phaca densifolia, 277 

 " Nuttallii, 277 

 " podocarpa, 277 

 Phacelia circinata, 420 

 " heterophylla, 420 

 " Menziesii, 420 

 " ramosissima, 421 

 Phalaris Americana, 478 

 " angusta, 478 

 " arundinacea, 478 

 " Calif ornica, 478 



" intermedia, 478 

 " microslachya, 478 

 " occidentalism 478 

 " trivialis, 478 

 Phelipoea comosa, 391 

 Phellopterus littoralis, 321 

 Philadelphus Calif oimicus, 312 

 " Gordonianus, 312 



" Lewisii, 312 



Phleum alpinum, 479 

 Phlox canescens, 422 

 " divaricata, 421 

 " Douglasii, 422 

 « Hoodii, 422 

 " Hookeri, 426 

 " occidentals, 421 



Sabi?ii, 421 

 " speciosa, 421 

 Phcenicaulis cheiranthoides, 229 

 Phoradendron Bolleanum, 450 

 " flavescens, 449 



" " var., 450 



Photinia arbutifolia, 291 

 Phragmites communis, 486 

 Physaria didymocarpa, 232 



" Geyeri, 232 

 Pickeringia montana, 282 

 Picradenia Bichardsonii, 356 

 Piptocalyx circumscissus, 414 

 Plantaginacese, 387 

 Plantago Durvillei, 387 



" gnaphalioides, 387 



Plantago Kamtschatica, 387 

 " major, 387 

 " maritima, 387 

 " Patagonica, 387 

 " Virginica var., 387 

 Platanacese, 457 

 Platanus Californica, 457 

 " Mexicana, 457 

 " racemosa, 457 

 Platyspermum scapigerum, 234 

 Plectritis congesta, 334 

 Pleuropogon Douglasii, 491 

 Pluchea camphorata, 349 

 Plumbaginacese, 388 

 Poa abbreviata, 489 

 " air aides, 490 

 " angustata, 491 

 " annua, 489 

 " dista?is, 490 

 " leptocoma, 489 

 " Nutkaensis, 491 

 " stenantha, 489 

 Pogogyne Douglasii, 406 

 Polanisia graveolens, 236 

 Polemoniacese, 421 

 Polemoniam cseruleum, 426 

 " humile, 426 



" pidcherrinum, 426 



Poryantherix hystrix, 495 

 PolygalaceaB, 265 

 Poly gala Californica, 265 

 " cor nut a, 265 

 " cucullata, 265 

 " Nutkana, 265 

 " polygama, 265 

 Polygon acese, 441 

 Polygonum acre, 447 



" amphibium, 447 



" aviculare, 446 



" Bolanderi, 446 



" coarctatum, 446 



" glaucum, 446 



" imbricatum, 446 



" nodosum, 447 



" Paronychia, 446 



" polygaloides, 447 



128 



