320 RYDBERG: PHYTOGEOGRAPHICAL NOTES 
Aruncus acuminatus 
Trifolium plumosum 
Angelica Piperi 
Osmorrhiza Letbergi 
Osmorrhiza purpurea 
Ligusticum Canbyt 
Ligusticum Leibergu 
Chamaepericlymenum. 
chense 
Moneses reticulata 
Pyrola bracteata 
Oxycoccus intermedius 
Pentstemon pinetorum 
unalas- 
Veronica Cusickit 
Synthyris major 
Castilleja cervina 
Razoumofskya Laricis 
Valeriana sitchensis 
Castilleja Vreelandi 
Aster Cusickit 
Balsamorrhiza Careyana 
Saussurea americana 
Lactuca multifida 
Polystichum Andersont 
Thelypteris Oreopteris (Eur.) 
E. PLANTS COMMON TO THE SOUTHERN ROCKIES AND THE SIERRA 
NEVADA 
These plants have spread across the Great Basin, their seed 
being carried by birds or wind from mountain to mountain by way 
of the numerous though low parallel mountain chains within the 
Basin. Most of them are xerophytic, the rest mesophytic. 
Species in the following list marked “‘ft’’ extend into the Sub- 
montane Zone; those marked “{t”’ are not found east of the Wa- 
satch Mountains. 
Pinus aristata 
Elymus simplextt} 
Stipa speciosatttt 
Oryzopsis Webberitt 
Muhlenbergia gracilist} 
Poa Fendleriana 
Carex fissuricolatt 
Carex epapillosatt 
Rumex hymenosepalus{t 
Amaranthus Powellii 
Quamoclidion multiflorumt} 
Oreobroma nevadensis 
Trees 
Abies concolor 
Herbs 
Erocallis triphylla 
Alsine Jamesit 
Lepidium montanumy} 
Heuchera rubescenstttt 
Sericotheca glabrescenstttt 
Drymocallis pumilatt 
Trifolium Rusbyitt 
Phaca Hookerianatttt 
Hamosa calycosatttt 
Kentrophyta tegetariatt 
Hypericum formosum}t 
