INDEX 



385 



Potentilla — continued. 



atrorubens 361 



blaschkeana 152 



breweri 228 



convallaria 152 



crinita 361 



flabellifolia 236 



fruticosa 228 



glandulosa 210 



gracilis 160, 187 



hippiana 160 



nivea 234 



pennsylvanica 160 



saximontana 234 

 Primula 58, 60 



angustifolia 234 



parryi 234 

 Pronuba 91 



Prosopis41, 90, 95, 97, 145, 157, 162, 163, 165, 

 166, 167, 168, 169, 170, 171, 172, 173, 

 174, 175, 197, 300, 301 



juliflora 164, 168, 171, 172, 277 



pubescens 171 

 Prunella vulgaris 361 



Prunus 106, 178, 179, 180, 183, 184, 185, 186, 

 187, 363 



americana 181, 182, 188 



besseyi 188, 363 



demissa 178, 182, 183, 184, 185, 186, 188, 

 191, 213, 290 



emarginata 213, 219 



ilicifolia 191 



pennsylvanica 210 



serotina 42 

 Pseudocymopterus montanus 210, 226 ,234 

 Pseudotsuga 42, 46, 186, 205, 206, 207, 208, 

 209, 210, 211, 213, 216, 217, 218, 219, 

 220, 221, 283, 350, 353, 354 



mucronata 45, 93, 197, 204, 207, 208, 211, 

 212, 213, 215, 217, 218, 219, 220, 221 

 macrocarpa 211, 212, 213 



taxifolia 346 

 Psilostrophe cooperi 148, 168, 171, 175, 300 

 Psoralea 50, 95, 105, 106, 107, 128, 129, 281 



argophylla 39, 108, 126, 127, 128, 130, 299 



lanceolata 262 



tenuiflora 39, 46, 108, 120, 126, 127, 128, 129, 

 130, 140, 148, 299 

 Pteris aquilina 93, 202, 214, 219, 353 

 Pterocarya linearis 303 

 Ptilonella scabra 304 

 Pulsatilla 61 



occidentalis 236 

 Purshia 180, 181, 185, 186, 187, 191, 195 



tridentata 107, 182, 185, 186, 290 

 Pycnanthemum lanceolatum 130 

 Pyronema confluens 93 



Quercus 106, 163, 177, 178, 180, 182, 183, 184, 

 185, 186, 188, 194, 195, 196, 197, 198, 

 200, 202, 274, 301 



breviloba 189, 301 



breweri 213 



californica 204, 205, 211, 212, 216 



chrysolepis vaccinifolia 213 



douglasii 196, 200, 202, 203 

 dumosa 181, 182, 183, 190, 191, 192 



emoryi 196, 200, 201, 203 



garryana 182, 204, 211, 212 



grisea 361 



hypoleuca 200, 201, 203 



Quercus — continued. 



macrocarpa 181, 182, 188 

 reticulata 196, 200, 201 

 arizonica 196, 200, 201 

 oblongifolia 196, 200, 201 

 sadleriana 213 



undulata 178, 180, 182, 183, 184, 185, 186, 

 188, 189, 301 

 gambelii 25, 184, 186 

 virens 182, 188, 189, 301 

 wislizenii 196, 203, 204 

 Ranunculus 68 

 adoneus 234 

 alismifolius 228 

 eschscholtzii 234, 236 

 f. reptans 56 

 glaberrimus 152 

 byperboreus 234 

 macauleyi 234 

 nivalis 234 

 occidentalis 219 

 oreganus 219 

 ovalis 130 

 pygmaeus 234 

 raphanistrum 304 

 sceleratus 68, 86 

 Raphanus sativus 94 

 Raoulia 58, 61 

 Redfieldia 110, 281 

 Rhamnaceae 162 

 Rhamnus californica 191, 213 

 crocea 191 

 purshiana 213 

 Rhododendrum ellipticum 219 

 Rhus 41, 106, 166, 178, 180, 183, 184, 185, 186, 

 187, 189, 195 

 diversiloba 191, 213 

 glabra 181, 182, 188 

 integrifolia 191 

 laurina 191 

 ovata 191 



radicans 187, 189, 202 

 trilobata 45, 178, 182, 183, 185, 186, 188 

 mollis 202 

 Ribes 25, 41, 180, 187 

 aureum 182, 188 

 bracteosum 219 

 cereum 182, 185, 186, 188, 290 

 lacustre 210, 219, 221, 226 

 laxiflorum 219 

 montigenum 228 

 nevadense 213 

 sanguineum 219 

 viscosissimum 221, 228 

 Robinia 181 



neomexicana 182, 185, 186 

 Rosa 41, 178, 179, 180, 189 



acicularis 182, 185, 186, 187, 210 

 arkansana 42, 130, 181, 182, 188, 299 

 fendleri 361 

 pisocarpa 221, 290 

 Rosales 178 

 Rubus 46 

 idaeus 60 



parviflorus 213, 219, 221 

 spectabilis 219 

 strigosus 15, 45, 46 

 Rudbeckia hirta 130 



occidentalis 25 

 Rumex hymenosepalus 176 



