INDEX. 



Pop-corn Flower 446 



Poplar 138 



Poppy 208 



California 207 



Tree 206 



Western 209 



Poppy Family 205 



Populus 138 



Fremonti 138 



tremuloides 139 



trichocarpa 138 



Portulaca 184 



oleracea 184 



Portulacaceae 184 



Potamogeton 99 



lonchites 99 



lueens 100 



paueiflorus 100 



pectinatus 100 



pusillus 100 



Potato 393 



Potentilla 281 



Anserina 281 



Bolanderi 283 



Californica 282 



var. Carmeliana .... 282 



elata 283 



frondosa 282 



glandulosa 282 



var. Nevadensis . . . 282 



Kelloggii 283 



Micheneri 283 



millegrana 282 



multijuga 282 



rivalis var. millegrctna . . 292 



tenuiloba 283 



var. Micheneri .... 283 



Poverty-grass 72 



Poverty Weed 545 



Primrose, Sierra :>77 



Primrose Family 374 



Primulaceae 374 



Primula suflfrutescens . . . 377 



Prince's Pine 368 



Prunus 286 



subcordata 286 



Pseudotsuga 19 



Douglasii 19 



taxifolia 19 



Psiloearphus ....... 548 



brevissimus 549 



Oreganus var. brevissimus. 549 



tenellus 549 



Psoralea 294 



bracteata 294 



Californica 295 



Douglasii 295 



fruticosa 294 



glandulosa 294 



macrostachys 295 



orbicularis 294 



physodes 295 



strobilina 295 



Ptelea 249 



Baldwinii var. crenulata . 249 



crenulata 249 



Pterospora andromeda . . . 367 



Pterostegia 149 



drymarioides 149 



Ptiloria 491 



canescens 491 



virgata 491 



Pugiopappus 



calliopsideus 545 



Purslane, Common .... 184 



Lowland 189 



Water 326 



Purslane Familv 184 



Pussv's Ears 112 



Pussy's Paws 188 



Pycnanthemum Calif 'ornicum .465 



Pyrola 368 



'aphylla 368 



picta 368 



rotundifolia var. bracteata. 368 



secunda 368 



Pyrrocoma elata 559 



Pyrus rivularis 287 



Quaking-grass 64 



Annual 64 



Perennial 64 



Quamash 121 



Quercus 141 



agrifolia 143 



Californica 144 



chrysolepis 143 



densiflora 144 



Douglasii 142 



