



INDEX. 



313 



Pago. 



Parnaesia califomica 99, 272 



pulii.strii- califomica 99 



Paspalum diatichuro 216, 2C2 



Pectocarya linearis 103, 213, 244, 248, 249 



penicillata 163, 257 



setosa 163, 247, 251, 257 



Pedieularia attollens 173, 267, 274 



groenlandica 173, 265, 268 



aemibarbata 173, 264 



Pellasa androinedasfolia 227, 259 



breweri ."..227, 207,279 



bridgesii 228,265 



densa 228, 266 



ornithopua 228, 263 



Penstemon 273 



acuminatus 169, 273 



antirrhinoides 109, 235 



azureue parvulus 109, 266 



barbatus labrosus 170 



breviflorua 109, 258 



bridgcsii 1 09, 265 



centranthifolias 169, 235, 259 



confertuscoernleo-purpiireus. . 169,280 

 confertus procerus ...109, 260, 274, 2S2 



davidsonii 170, iG8, 270 



fruticifonnis 170,279 



glaber 170,254,273 



labrosua 170, 260 



lastus 170,258 



newberryi 1 70, 2G7. 274,281 



palmeri 170, 254, 276 



procerus 1 G9 



ternatus 170, 259 



Peraph y 11 urn ramosissimum 97, 277 



Perennials as zonal plants 18 



in the desert 44 



Peritylc emoryi 160 



emoryi nnda 133, 210, 213, 245, 248, 249 



nudii 133 



rotundifolia 160 



Petalonyxnitidns. .106,107,255 



parryi ". 100, 276 



thurberi 107,45.236,239,241 



reucedanum parishii 116, 245, 250 



vasey i 1 16, 251 



villosum 116, 279 



Pencephyllum scbottii 138, 43, 49, 52, 167, 237, 



241,243 



Phacatriflora 88 



Pli acelia 257, 274 



circinata 159 



crenulata 157, 45, 243, 244, 248 



curvipes 158,251,260 



fremontii 158, 244 



beterosperma 158 



hispida -158,244,245,249 



hi* pi (1 3i br:n h j n n Ilia 158,247 



ivesiana 159, 243, 248 



leimnoni 159, 276 



magollanica 159, 268, 273 



micrantha 157 



micrantha bipinnatifkla 157 



pacbypbylla 159, 238, 241, 243, 246, 249 



pedicillata 159, 243 



pcrityloideu 245, 160 



pulcliella 100, 242 



Page. 



Phacelia ramosissima 160, 254, 259 



ramosissinia hispid a 153 



rotundifolia 160,247,249 



tanacetifolia 160, 260 



Phalaris angusta 216 



intermedia an gusta 216, 262, 277 



Phegopteris alpestris 228, 268 



Philadelphia microphyllus 99 



Philibertla linearis hirtella 149, 251 



Philonotis fontana 229,283 



Phleospora bigeloriae 232,281 



Phleiim alpinum 216, 265 



Pblox 271 



austromoiitaiia 151, 277 



cspspitosa 152,274,278,280 



caespitosa condeusata 152 



douglasii 151,152,205,208,274,281 



druinmondii 152 



gracilis 152,250 



longifolia stansb ury i 152, 250, 278, 279 



rigida 152 



speciosa stansburyi 152 



Pbolisma arenariam 147,252,256,279 



Phoradendron bolleanum 193, 236, 246, 260 



californicum 193, 239 



flavescens niacrophyllum 193 



flavescensvillosuiQ 193 



juniperinum 193. 240 



juniperinum Hbocedri 193, 272 



villosnm 193 



rhragmitoa vulgaris 218 



I'll? I logon inn lnt< olum 190,240 



Physalis crassifolla 107, 238. 255 



Physaria newberryi 02, 270 



Picea concolor 224 



Picrothatnnus desortorum 138 



Piinpinella parishii 115 



Pinon 222 



Pinus albicaolia 221, 275,281 



aristata .220, 24, 26, 240, 245 



attenuate 221, 275 



balfouriana 221, 25, 26, 203, 275 



flexilis - 221, 24, 26, 240, 245, 271, 273 



floxilis macrocarpa 221,234 



jeflreyi 222, 24, 25, 260, 261, 266, 209, 272, 



275,281,282,283 



lambertiana 222 



monoph ylU 222, 23, 26, 240, 245 



monticola 222, 25, 26. 265, 275 



murray ana 223, 25, 26, 270, 275 



ponderosa 223. 24, 25, 26. 261 



ponderosa scopnlorum 223, 24, 26. 240 



sabiniana 223,25,256,257 



tuberculata 221 



Piperaceffi 192 



Piptocalyx ckcmnscissus 164, 36, 243, 247, 250, 



252, 253, 273 



dichotomus 1G4,281 



Plagiobotlirys jonenii- 164 



tenellus 163, 257 



torreyi 163, 272 



Plantaginaeese 176 



Plantago gnaphaloides 176 



major 170,242 



patagouica gnaphaloides 176, 22, 45, 



235, 241, 248, 276 



