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 
Pseudotsuga mucronata Apinus flexilis . 
Pinus Murrayana Salix Scouleriana 
Shrubs 
Odostemon A quifolium Pachystima Myrsinites 
Ribes viscosissimum Gaultheria humifusa 
Rubacer parviflorum Vaccinium scoparium 
Echinopanax horridum 
Herbs 
Oryzopsis Bloomert Ranunculus Douglasi 
Festuca subulata Ranunculus Bongardii 
Elymus glaucus Actaea arguta 
Carex Bolanderi Thalictrum sparsiflorum 
Carex athrostachya Aquilegia coerulea 
Veratrum speciosum Osmorrhiza obtusa 
Vagnera amplexicaulis Pectianthia pentandra 
Vagnera lilacina Fragaria bracteata 
Trillium ovatum Geranium viscosissimum 
Piperia unalaschensis Geranium Richardsonu 
