(357) 



Poa tenuifolw 309 



trivialis 309 



Pogogyne 50, 135 



Douglasii 135 



parviflora 135 



serpylloides 135 



POLEMONIACKE 162 



POLEMONIALES 153 



Polemonium 21, 163 



carneum 163 



POLYADELPHIA 59 



POLYANDRIA 47 



DI - TRI - TETRA - PENTA - 

 POLYGYNIA 48 



MONOGYNIA 47 



PoLYCARPioas 230, 322 



Poly gala 56, 57, 210 



cuoullata 210 



POLYGALACE^J 210 



POLYGONACE^! 274 



Polygonum 24, 38, 275 



aviculare 275 



Californicuin 275 



convolvulus 276 



Muhlenberghii 276 



nodosum , 276 



paronychia 275 



POLYPETAKE 175 



POLYPODIACE2B 331 



Polypodium 332 



Scouleri 332 



vulgaris 332 



Polypody 332 



Polypogon 11, 300 



littoralis 300 



Monspeliensis 300 



PoMACEja. . ..252 



Pondweed 323 



Poplar 217 



Populus 79, 217 



trichocarpa 217 



POTAME^J 323 



Potamogeton 18, 323 



lucens 324 



natans 324 



pauciflorus , 324 



pectinatus 324 



Potentilla 46, 249 



anserina 249 



glandulosa 249 



Portulaca, 35, 36, 42, 43, 45 



195. 

 oleracea 195 



PORTULACACES; 195 



Prickly Poppy 230 



PRIMULACE^E 171 



PRIMULALES 170 



Prosartes 33, 284 



Hookeri 285 



Menziesii 285 



Prunella 50, 138 



vulgaris 138 



Prunus 246 



demiBsa 246 



emarginata 246 



ilicifolia 246 



Pseudotsuga. . 327 



Douglasii 327 



Psilocarphus 67, 70, 89 



Oreganus 89 



tenellus 89 



Psoralea 57, 58, 261 



macrostachya 262 



orbicularis 261 



