320 RYDBERG: PHYTOGEOGRAPHICAL NOTES 
Aruncus acuminatus 
Trifolium plumosum 
Angelica Piperi 
Osmorrhiza Leibergit 
Osmorrhiza purpurea 
Ligusticum Canbyt 
Ligusticum Leibergu 
Chamaepericlymenum unalas- 
chense 
Moneses reticulata 
Pyrola bracteata 
Oxycoccus iniermedius 
Pentstemon pinetorum 
Veronica Cusickiu 
Synthyris major 
Castilleja cervina 
Razoumofskya Laricis 
Valeriana sitchensis 
Castilleja Vreeland 
Aster Cusicku 
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 ‘‘tt’’ extend into the Sub- 
montane Zone; those marked “tt” are not found east of the Wa- 
satch Mountains. 
Pinus aristata 
Elymus. simplest 
Muhlenbergia gracilistt 
Poa Fendleriana 
Carex fissuricolat{. 
Carex epapillosatt 
Rumex hymenosepalustt 
Amaranthus Powellit 
Quamoclidion multiflorumtt 
Oreobroma nevadensis 
Trees 
Abies concolor 
Herbs 
Erocallis triphylla 
Alsine Jamesii 
Lepidium nesinuaunes’ 
Heuchera rubescenstitt 
Sericotheca glabrescens{ttt 
Drymocallis pumilatt 
Trifolium Rusbyitt 
Phaca Hookerianatitt 
Hamosa calycosatitt 
Kentrophyta tegetariatt 
Hypericum formosum}{ 
