INDEX 



();39 



PeueedanuTTi d62 



graveolens 365 



nudicaule 364 



aimplex 364 



Phaca 288 



americaTuz 288 



caespitosa 292 



macrocarpa 292 



pauciflora 289 



pygmaea 287 



Phacelia 407 



ofba 409 



oZpina 408 



&i«nnis 408 



campestria 409 



cUiosa 410 



circinata 408 



corrugata 409 



deserta 408 



Franklinii 409 



glandulosa 409 



heterophylla 408 



idahoedBis 409 



integrifolia 409 



Ivesiana 409 



Knightii 408 



leucophylla 408 



linearis 408 



Mensiesii 408 



neo-mexicana 409 



Bericea 409 



aplendens , 408 



Phalaris 47 



arundinacea 47 



caroliniana 47 



Phegopteris 18 



Dryopteria 19 



Phellopterus 356 



bulbosus 357 



camporum 357 



montanus 356 

 multinervatus 357 



purpurascens 357 



Philadelphus 244 



Lewisii 244 



microphyllus 244 



nitidus 244 



occidentalis 244 



Philotria 38 



angustifolia 38 



canadensis 38 



minor 38 



Phippsia 54 



algida 54 



Phleum 63 



alpinum 53 



pratense 53 



Phlox 394 



oBioTnarginaia 396 



alyssifolia 395 



andicola 396 



bryoides 395 



ca^pitosa 395 



canescens 395 



cemua 396 



coUina 396 



condensata 395 



coatata 396 



dasyphylla 397 



densa 396 



depressa 396 



diapensioides 396 



Family 394 



glabrata 395 



Hoodii 395 



Kelseyi 396 



longifolia 396 



multiflora 396 



muscoides 395 



nana 397 



puberula 397 



sderanihifolia 395 



Stansburyi 397 



Fhoradendron 146 



juniperinum 146 



Phragmites 65 



communis 65 



Phyllodoce 370 



empetriformis 370 



glanduliflora 370 



hyhrida 370 



intermedia 370 



Physalis 433 



Fendleri 435 



hederaefolia 434 



heterophylla 434 



ixocarpa 433 



lanceolata 434 



lohata 435 



longifolia 434 



neo-mex;icana 433 



philadelphica 433 



polyphylla 434 



piibescens 433 



pumila 434 



rotundata 434 



virginiana 434 



Phygaria 217 



acutifolia 218 



didymocarpa 217 



floribimda 218 



Newberryi 218 



vitulifera 218 



Physocarpus 247 



intermedins 248 



malvaceus 248 



monogynus 248 



opulifolius 248 



pubescens 248 



Ramaleyi 248 



Torreyi 248 



Physostegia 429 



parviflora 429 



Pic^ 28 



Engelmanhii 28 



Parryana ' 28 



pungens 28 



Pickerel Weed 



Family 108 



Picradenia 561 



helenioides 562 



macrantiha 561 



midtiflorti, 561 



pumila 561 



Picronthamnus 566 



desertorum 566 



Pigweed 160 



PiNACEAE 26 



Pin-clover 304 



Pine 26 



Bristle-cone 27 



Family 26 



Limber 27 



Lodge Pole 27 



Nut 27 



Pifion 27 



Rock 28 



White-bark 27 



Pinedrops 368 



Pinesap 369 



PiNGUICUL A CEA E 



462 



Pink Family 180 



Pifion Pine 27 



Single-leaf 27 



Pinua ' 26 



albicaulis 27 



aristata 27 



edulis 27 



flexilis 27 



monophylla 27 



Murrayana 27 



scopulorum 28 



Piperia 125 



unalaschensis 125 



Pipsissewa 368 



PLANTAGTNACEAE 



464 



Plantago 464 



aeiatica 465 



elongata 466 



eriopoda 465 



lanceolata 465 



major 465, 



rhyosuroides 466 



nitrophila 465 



Purshii 466 



pitsUla 466 



Bugellii 465 



Tweedyi 465 



Plantain 464 



Family 464 



Mud 108 



Rattlesnake 126 



Platyschkuhria 556 



integrifolia 556 



Pleurogyne 380 



fontana 380 



rotata 380 



Pleurophragma 209 



Plum 269 



Chickasaw 269 



Family 269 



Red 269 



Wild Yellow 269 



toa 69 



acuTninata "71 



alpina 71 



andina 72 



annua 69 



arctica 70 



arida 73 

 hrevipaniculata 72 



Buckleyana 73 



caesia 70 



calif ornica 72 



callichroa 71 



cpmpressa 70 



croata 70 



epilis 72 



Fendleriana 72 



flava 70 



flexuosa 71 



glauca 70 



gracillima 73 



interior 70 



juncifolia 73 



laevigata 72 



laxa 71 



lepUicoifna 70 



Lettermannii 71 



longiligula 72 

 longipedunculata 



72 



lucida 73 



memOralis 70 



nervosa 71 



nevadensis 72 

 occidentalis 70, 71 



Pattersonii 71 



phoenicea 70 



planifolia 73 



platyphylla _ 70 



pratensis 70 



pratericola 73 

 pseudopratensis 70 



pudica 71 



purpurascens 72 



reflexa 71 



rupestris 71 



rupicola 71 



Sandbergii 71 



seroiina 70 



Sheldonii 73 



subaristata 72 



subpurpurea 72 



tenuifolia 73 



Traceyi 71 



Wheeleri 71 



Polanisia 232 



graveolens 232 



trachyspcsrma 232 



POLEMONIACEAE 394 



Polemonium 403 



Arckihaldae 404 



Brandegeei 405 



caeruleum 404 



confertum 405 



delicatum, 404 



filicinum 404 



foliosissimum. 404 



grande 404 



Grayanum 405 



Hay den ii 404 



huTnile 404 



mellitum 405 



moUe 404 



occidentale 404 



parvifolium, 404 

 pteroapermum 405 



pulcherrimum 404 



robuatunn 404 



