i ee. 
Menziesii 
mutabilis 
nemoralis 
- Pringlei 
procera 
ramosissima. . 
Rattani 
sericea 
verna 
virgata 
PHALARIS 
amethystina 
arundinaceae 
Canariensis 
Caroliniana 
PHELLOPTERUS 
littoralis 
PHLOX 
adsurgens 
caespitosa 
diffusa 
Douglasii 
Var. andicola 
Hoodiu 
linearifolia 
longifolia 
speciosa 
Var. Sabini 
Stansburyi 
PHILADELPHUS 
Lewisii 
PHILOTRIA 
Canadensis 
PHLEUM 
pratense 
alpinum 
PHORADENDRON 
juniperinum 
Libocedri 
‘villosum 
PHRAGMITES 
communis 
PHYLLODOCE 
glandulifiora 
PHYLLOSPADIX 
Scouleri 
PHYSARIA 
didymocarpa 
Geyeri 
Oregona 
PHYSOSTEGIA 
parviflora 
PHYSALIS 
ixocarpa 
lanceolata 
pruinosus 
PHY TOLAC- 
470 
467 
467 
467 
469 
469 
468 
470 
470 
468 
721 
721 
721 
721 
721 
259 
259 
450 
452 
451 
451 
451 
451 
451 
453 
452 
+452 
452 
452 
205 
206 
670 
670 
740 
740 
740 
608 
608 
608 
608 
747 
747 
419 
419 
672 
672 
52 
52 
52 
52 
556 
557 
498 
498 
498 
INDEX 
CACEAE 
PHYTOLACCA 
decandra 
PICEA 
Breweriana 
Engelmanni 
Sitchensis 
PIMPINELLA 
apiodora 
Var. nudicaulis 
PINACEAE 
PINGUICULA 
vulgaris 
PINUS 
albicaulis 
attenuata 
contortta 
flexilis 
Jeffreyi 
Lambertiana 
monticola 
Murrayana 
ponderosa 
PIPTOCALYX 
circumsc¢issus 
PLEUROPOGON 
refractum 
Californicum 
PLAGIOBOTHRYS 
asper 
campestris . 
canescens 
colorans 
hispidus 
nothofulvus 
Shastensis 
tenellus- 
PLANTAGIN-. 
ACEAE 
PLANTAGO 
Asiatica 
aristata 
Bigelovii 
elongata 
eriopoda 
macrocarpa 
major 
maritima 
lanceolata 
Purshii 
spinulosa 
tetrantha 
PLATYSTEMON 
Californica 
PLATYSPERMUM 
scapigerum 
498 PLATYSTIGMA 
lineare 
588 
588 
589 
789 
789 
789 
790 
264 
264 
265 
782 
544 
544 
790 
791 
792 
792 
791 
791 
790 
791 
792 
, 491 
483 
483 
754, 
755 
755 
483 
484 
484 
» 485 
485 
485 
485 
485 
32 
Oreganum 
PLECTRITIS 
anomala 
aphanoptera 
congesta 
macrocera 
samolifolia 
PLEURISCOS- 
PORA 
fimbriolata 
longipetala 
PNEUMARIA 
maritima 
POACEAE 
POA 
acutiglumis 
annua 
argentea 
Bolanderi 
Buckleyana 
Var. stenophylla 
Canbyi_ . 
compressa 
confinis 
Cusickii 
epilis 
Fendleriana 
flava 
glauca 
gracillima 
Howeilii 
Idahoensis 
incurva 
invaginata 
Kelloggii 
laevigata 
laxa 
Leckenbyi 
Leibergii 
Lettermani 
longiligula 
lucida 
macrantha 
nemoralis 
nervosa 
Nevadensis 
occidentalis 
pratensis 
Pringlei 
purpurascens 
reflexa 
Sandbergii 
saxatilis 
subaristata 
Suksdorfli 
Vaseyochloa 
Wheeleri 
32 POGOGYNE 
