APHICAL NOTES 433 
RYDBERG: PHy 
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 ‘“‘{” are limited to the Canadian 
Rockies. 
Common to the Southern and Northern Rockies 
Trees : 
Pseudotsuga mucronata (lower 
portion of the zone only) 
Picea Engelmannit 
Abies lasiocarpa 
(Populus tremuloides) 
Shrubs 
Gaultheria humifusa 
Vaccinium caespitosum 
c oreophilum 
scoparium 
Sorbus scopulina 
Lepargyrea canadensis 
Pachystima myrsinites 
Linnaea americana 
Distegia involucrata 
ee 
* Herbs. 
Tium alpinum 
Atelophragma elegans 
Aragallus deflexus 
Osmorrhiza obtusa 
Poa crocata 
Bromus Richardsonii 
Vagnera stellata 
Disporum trachycarpum 
Lysiella obtusata 
Ophrys borealis 
_  — nephrophylia 
Cytherea bulbosa 
Alsine baicalensis 
Thalictrum sparsiflorum 
Atragene tenuiloba 
Parnassia fimbriata 
Pectianthia pentandra 
Ozomelis stauropetala 
Micranthes arguta 
Ligusticum Porteri 
Moneses uniflora 
Pyrola chlorantha 
‘< minor 
secunda 
Polemonium delicatum 
Pedicularis racemosa 
Veronica serpyllifolia 
Arnica cordifolia 
Pareyt 
“pumila 
ce 
Restricted to the Southern Rockies 
~ 
Anticlea coloradensis 
Limnorchis purpurascens 
_ Aquilegia elegantula 
Herbs 
Ozomelis stenopetala 
se Parryt 
Viola neomexicana 
