268 



American Midland Naturalist Monograph No. 4 



opulifolius 1 30 



Picea Engelmanni 19 



glauca '9 



mariana '" 



pungens 19 



sitchensis 19 



Pigeonberry 1 19 



Pigweed family - 75 



Pinaceae 18 



Pine, bristlecone 21 



digger 20 



foxtail 20 



jack 20 



Jeffrey 20 



knobcone 20 



limber 20 



lodgepole 20 



ponderosa 20 



red 20 



sugar 20 



white, eastern 20 



western 20 



whitebark 20 



Pinon 20 



singleleaf 19 



Pinus albicaulis 20 



attenuata 20 



aristata 21 



Balfouriana ,. 20 



Banksiana 20 



contorta 20 



edulis ...., 20 



flexilis 20 



Jeffreyi 20 



Lambertiana 20 



monophylla 19 



monticola 20 



ponderosa 20 



resinosa 20 



sabmiana 20 



strobus 20 



Platanus racemosa 24 



Pluchea sericea 249 



arrow- weed 249 



Plum, Klamath 127 



Poison ivy, western 154 



Poison oak. Pacific 154 



Polygonaceae 68 



Poplar, balsam 22 



Poppy, bush 80 



family 80 



Populus angustifolia 22 



balsamifera 22 



Fremonti 22 



grandidentatum 21 



Wislizeni 22 



tremuloides 21 



trichocarpa 22 



Poreleaf, slender 234 



Porophyllum gracile 234 



Potentilla fruticosa 101 



Prosopis chilensis subsp. glandulosa ....146 

 juliflora var. glandulosa (see P. 

 chilensis) 



Prunus 124 



cor^mbulosa (see P. pennsylvanica 



var. saximontana) 

 demissa (see P. virginiana var.) 



emargmata 126 



var. mollis 127 



fasciculata 128 



melanocarpa (see P. virginiana) 



pennsylvanica var. saximontana 127 



subcordata 1 27 



virginiana 125 



var. demissa 126 



var. melanocarpa 126 



Pseudotsuga taxifolia 19 



Ptelea Baldwini 152 



Purshia tridentata 143 



PyTus dh'ersifoUa (see Malus fusca) 



Quercus 62 



borealis 23 



chrysolepis 23 



Douglasi 23 



dumosa 65 



Gambeli 63 



Garryana var. Breweri 64 



var. semola (see var. Breweri) 

 Cunnisoni (see Q. Gambeli) 



Kelloggi 23 



morehus 23 



pungens (see Q. undulata var.) 

 iurbinella (see Q. dumosa) 



undulata 65 



var. pungens 66 



utahensis 23 



vaccinifolia 64 



Wislizeni 23 



var. extima 66 



Quinine-bush 142 



Quixote plant 37 



Rabbitbrush 237 



Bolander 239 



broom 241 



Douglas 242 



dwarf 242 



Greene's 243 



greenplume 240 



lanceleaf 243 



Mohave 241 



mountain — ....242 



narrowleaf 238 



Nevada 238 



