(358) 



Psoralea — physodes 262 



strobilina 262 



Ptelea, 17, 24, 73, 74, 77, 78 

 208. 



angnstifolia 208 



Pteris S32 



aquilina 333 



Pterostegia 34, 278 



drymarioides 278 



Pugiopappus 66, 96 



calliopsideus 96 



Purslane 195 



Pycnanthemum 50, 133 



Californicum 134 



Pyrola 39, 173 



apbylla 173 



Pyrolace^ . . 172 



Quaking-grass 310 



Quercus 76, 269 



agrifolia 270 



chrysolepis 269 



densiflora 270 



Douglasii 269 



diimosa 269 



Kelloggii 270 



lobata 269 



Wislizenii 270 



Quillwort 329 



Quinine-Tree 185 



Eadish 221 



Rafinesquia 59, 115 



Calif ornica. 115 



Eagweed 92 



Ranales 237 



Ranunculace^ 232 



Ranunculus 49, 235 



aquatics 236 



Bloomeri 235 



Calif ornicus 235 



flammula 236 



hebecarpus 235 



Lobbii 236 



maximus 235 



muricatus 235 



pusillus 236 



Eapbanus 54, 221 



sativus 222 



Raspberry 247 



Rattleweed 263 



Redwood 328 



Reed 306 



Rhamnace^ 212 



Rbamnus 23, 78, 212 



Califoruica 212 



Crocea 212 



Pursbiana 212 



Rhixanthe^ 143 



Rhizanthe^ 267 



Rhizocarp^ 330 



Rhododendron 40, 173 



occidentale 173 



Rhodorace^ 173 



Rhus 30, 74, 78,82, 209 



aromatica 209 



diversiloba. 209 



Ribes 24, 30, 188 



aureum 188 



divaricatum 188 



Menziesii 188 



sanguineum 188 



Rigiopappus 64, 106 



leptocladus— see Errata. 



