INDEX. 



633 



Pag-e 



Plum, Indian 348 



Plumbaginaccae 449 



Poa 128-135 



arctica 62 



sandbergii 48 



Poaceae ^ 1)2- 154 



Poison ivy 384 



oalc 384 



Polemoniaeeae <56-467 



Poleinonium '166-467 



elegans ' 63 



micranthum 44 



Polygonaceae 224-239 



Polygonum 226-232 



Polypodiaceae 76-82 



Polypodium 76 



Polypody, leather-leaf 77 



licorice .' 77 



Polypogon Ill 



Polysticlium 80 



munitum, distribution 41 



Pondweed 96 



family 178 



Pontederiaceae 178 



Poppy family 283-285 



Populus .....: 217 



tremuloides 49 



trichocarpa 42, 49, 57 



Portulaca 245 



Portulacaceae 245-251 



Polamogeton 96 



Potamogetonaceae 96-98 



Poten tilla 336-339 , 



nabellifolia : . . 62 



-Prairies, bunchgrass, vCj^ctation 48 



Precipitation, Weather Bureau tables 27-28 



Prickly pear 396 



Primrose, evening 407 



family 444-448 



Primulaceae 444-448 



P rosaries 201 



Prunella 489 



Prunus 348 



Pseudotsuga 94 



mucronata 41. 50 



Psilocarphus 607 



Psoialea 363 



Pieridium 41,78 



Pteris 78 



Pterospoia 435 



andiomedea 67 



Ptcrostegia. 232 



Pleryxia 429 



Ptilocalais. 541 



Ptilonella .578 



Ptiloria 539 



Puccinellia 141 



Puget Sound Basin physiography and geol- 

 ogy 21 



Puget Sound Wilkes expedition 15 



Pulsatilla . 268 



occiden talis . 62 



Pursh description of Lewis and Clark 



plants .-'... 11 



Purstiia.. , 245 



Purslane 245 



family 245-251 



Page. 

 Pyrola 433-435 



family i32-435 



Pyrolaceae iP^-iSS 



Pyrrocoma 559 



Pyrus 347 



diversifolia, distribution 42 



Quack grass 149 



Quamash Flats, botanical specimens 11 



Quamasia 190 



azurea 613 



Quercus 220 



garryfena . 42 



Quillwort 88 



Rabbit brush 36, 558 



Rabbit-foot clover 361 



Radish 307 



Ragweed 551 



family . . , 550-5.52 



Rainfall, Weather Bureau tables 27-28 



Rainier, Mount, botanical collection 19 



Ralniera 594 



Ramm, Charles A., botanical collection .... 18 



Ramona 488 



Ranunculaceae 265-282 



Ranunculus 270-277 



occidentalis laevicaulis 613 



suksdorfii 62 



Raphanus 307 



Rapuntium 537 



Rattlesnake plantain 208 



Razoumofskya 222 



Red alder 42, 219 



fescue 137 



fir 41, .W, 58, 94 



raspberry 334 



Redtop 119 



Reed 125 



bur 95 



canary grass 106 



Rhamnaceae 386-388 



Rhamnus 386 



Rhinanthus .• 511 



Rhodiola 308 



Rhododendron 440 



albiflorum 60 



Rhus 383 



Rhynchospora '. 161 



Ribes 323-327 



biacteosum 42 



howellii 60 



inerme 49 



irriguum 49 



laxiflorum 47 



sanguineum 42 



Ricker. P. L . 6 



Rigiopappus 583 



Rimrock definition and flora 49 



Robinson, B. L 6 



Rock cress 291-295 



Rock-iose 49,246 



Rocky Mountain plants in And Transition . 52 



Rocky Mountain juniper 90 



Rocky Mountains plant species 72 



Romanzoffia 468 



Roripa. " 296-298 



Rosa 334 



