RYDBERG: PHYTOGEOGRAPHICAL NOTES 
list. The place of the plants limited to the Southern Rockies is 
taken by those enumerated below. Species in this‘and subsequent 
lists which are marked “ }’’ are limited to the Bitter Root-Selkirk 
region while those marked ‘‘t” are limited to the Canadian — 
Rockies. 
Common to the Southern and Northern Rockies 
Picea Engelmannii 4 
Abies lasiocarpa 
(Populus tremuloides) 
Sorbus scopulina 
Lepargyrea canadensis 
Pachystima myrstinites 
Linnaea americana 
Distegia involucrata 
Poa crocata 
Bromus Richardsoniui 
Vagnera stellata 
Disporum trachycarpum 
Lystella obtusata 
Ophrys borealis 
“ nephrophylla 
Cytherea bulbosa 
Alsine baicalensis 
Thalictrum sparsiflorum 
Atragene tenutloba 
Parnassia fimbriata 
Pectianthia pentandra 
Ozomelis stauropetala 
Micranthes arguta 
Trees 
Pseudotsuga mucronata (lower 
portion of the zone only) 
Shrubs 
Gaultheria humtifusa 
Vaccinium caespitosum 
oreophilum 
scoparium 
sé 
Herbs 
Tium alpinum 
Atelophragma elegans 
Aragallus deflexus 
Osmorrhiza obtusa 
Ligusticum Portert 
Moneses uniflora 
Pyrola chlorantha 
‘* minor 
secunda 
Polemonium delicatum 
ae 
_ Pedicularis racemosa 
Veronica serpyllifolia 
Arnica cordifolia 
‘t- Parrys 
“pumila 
Restricted to the Southern Rockies 
Anticlea coloradensis 
Limnorchis purpurascens 
Aquilegia elegantula 
Herbs 
Ozomelis stenopetala 
is Parryi 
Viola neomexicana 
