INDEX. 



509 



douglasii 361 



parviflora 361 



serpylloides 361 



ziziphoroides 361 



Poison Hemlock 294 



Poison Oak 249 



Polemoniaceae 328 



Polemonium 328 



earneum 328 



confertum 328 



Polycarpon 157 



depressum 157 



tetraphyllum 157 



Polygala 244 



californica 244 



cornuta 244 



Family 244 



Polygalaceae 244 



Polygonaceae 128 



Polygonum 136 



acre 139 



amphibium 138 



aviculare 138 



bolanderi 137 



californicum 138 



coarctatum 138 



convolvulus 139 



hartwrightii 138 



lapathifolium 139 



nmhlenbergii 138 



nodosum 139 



paronychia 137 



parryi 138 



persicaria 139 



punctatum 139 



spergulariaeforme 138 



Polypogon 46 



littoralis 46 



monspeliensis 46 



Pond Lily 163 



Indian 163 



Pondweed 27 



Family 27 



Fennel 29 



Horned 30 



Poor Man's Weather- 



Glass 317 



Pop-corn Flower 348 



Poplar 119 



Poppy 177 



Bush 176 



California 176 



Family 



Matilija 



Prickly 



Western 



Wild 



Wind 

 Populus 



fremontii 



tremuloides 



trichocarpa 

 Portulaca 



oleracea 

 Portulacaceae 

 Potamogeton 



americanus 



foliosus 



latifolius 



lonchites 



lucens 



pauciflorus 



pectinatus 



pusillus 

 Potato, Common 

 Potentilla 



anserina 



bolanderi 



californica 



elata 



glandulosa 



kelloggii 



millegrana 



multijuga 



rivalis 



tenuiloba 

 Poverty Weed 

 Primrose Family 



Sierra 



174 

 176 

 177 



178 



172 



178 



119 



119 



120 



119 



159 



159 



158 



27 



28 



28 



29 



28 



28 



28 



29 



28 



368 



208 



208 



210 



209 



209 



209 



209 



208 



209 



208 



209 



454 



315 



316 



Primula suffrutescens 316 



Primulaceae 

 Prince 's Pine 

 Prunus 



demissa 



emarginata 



ilicifolia 



subcordata 

 Prosartes hooJceri 



menziesii 

 Pseudotsuga 



douglasii 



taxifolia 

 Psilocarphus 



brevissimus 



315 



309 



211 



212 



211 



212 



212 



110 



110 



20 



21 



20 



457 



457 



oreganus 

 tenellus 



457 

 457 



Psoralea 



232 



californica 



234 



douglasii 



macrostachys 



orbicularis 



233 

 233 

 233 



physodes 

 strobilina 



234 

 233 



Ptelea 



248 



angustifolia 

 baldwinii 



248 

 248 



Pterospora androm- 



eda 310 



Pterostegia 128 



drymarioides 128 



Ptiloria virgata 411 



Purslane, Common 159 



Family 158 



Lowland 149 



Mud 264 



Water 273 



Pussy 's Ears 98 



Pussy Paws 162 



Pycnanthemum califor- 

 nicum 363 



Pyrola 309 



aphylla 310 



picta 3]0 



rotundifolia 310 



secunda 310 



Pyrus 213 



rivularis 213 



Quercus 122 



agrifolia 124 



californica 125 



chrysolepis 124 



densiflora 125 



douglasii 123 



dumosa 123 



durata 123 



garryana 123 



kelloggii 124 



lobata 122 



vaccinifolia 124 



wislizenii 124 



Radish 184 



Rafinesquia 411 



californica 411 



Ragweed 455 

 Tribe 454, 408 



Ranunculaceae 164 



