308 RYDBERG: PHYTOGEOGRAPHICAL NOTES 
Herbs 
Viola rugulosa Aster Wilsonit 
Monarda menthaefolia Solidago pulcherrima 
Androsace subumbellata Erigeron glabellus 
Aster laevis 
Another species, Dryas Drummondii, has even reached the 
Gaspé Peninsula, Quebec. 
III. Species common to the Rockies and the Pacific Mountains 
A. SPECIES FOUND IN BOTH THE NORTHERN AND SOUTHERN 
ROCKIES, AS WELL AS THE CASCADES AND THE SIERRAS 
a. Forest species 
Nearly all of the plants belonging in this category have passed 
from the Rockies to the Pacific Mountains, or vice versa, in the 
north where the two mountain systems are connected, and not 
across the Great Basin. 
Trees 
A pinus flexilis 
Salix Scouleriana 
Pseudotsuga mucronata 
Pinus Murrayana 
Shrubs 
Pachystima Myrsinttes 
Gaultheria humifusa 
Vaccinium scoparium 
Odostemon A quifolium 
Ribes viscosissimum 
Rubacer parviflorum 
Echinopanax horridum 
Herbs 
Ranunculus Douglasi 
Ranunculus Bongardit 
Oryzopsis Bloomeri 
Festuca subulata 
Elymus glaucus 
Carex Bolanderi 
Carex athrostachya 
Veratrum speciosum 
Vagnera amplexicaulis 
Vagnera lilacina 
Trillium ovatum 
Piperia unalaschensis 
Aciaea arguia 
Thalictrum sparstflorum 
Aquilegia coerulea 
Osmorrhiza obtusa 
Pectianthia pentandra 
Fragaria bracteata 
Geranium viscosissimum 
Geranium Richardsonit 
