RYDBERG: PHYTOGEOGRAPHICAL NOTES © 443 
Geranium Paitersont 
Geranium pumila 
Pseudopteryxia longiloba (Utah) Erigeron flagellaris 
Pentstemon caespitosus 
Chrysopsis alpicola 
Senecio Nelsonii 
*  Jonesit (Utah) 
Restricted to the Northern Rockies 
Eriogonum Piperi 
zi polyphyllum 
sé 
: heracleoides 
Spraguea multiceps 
Arenaria lithophila 
. salmonensis 
Arabis exilis 
Cogswellia montana 
Androsace sepientrionalis 
Phlox alyssifolia 
Erigeron Tweedyi 
Antennaria albescens 
Lygodesmia juncea 
3. MOUNTAIN SLOPES* 
Common to the Southern and Northern Rockies 
Carex pyrenaica 
‘nigricans 
Geyeri 
pseudoscirpoidea 
‘‘  chimaphila 
Juncus Drummondii 
“ Parryt 
Juncoides spicatum 
Lloydia serotina 
Salix petrophila 
“  saximontana 
Cerastium scopulorum 
¥ strictum 
Anemone globosa 
Aquilegia coerulea 
Draba nitida 
“ crassifolia 
Parryi 
auretformis 
aurea 
Arabis oblanceolata 
“ oreophila (Utah) 
sé 
‘é 
Rhodiola integrifolia 
Lithophragma bulbifera 
Heuchera flavescens 
parviflora 
Micranthes arnoglossa 
ve rhomboidea 
se brachypus 
Spathularia Vreelandii 
Ivesia Gordonii 
Potentilla filipes 
ss diversifolia 
sp glaucophylla 
divisa 
quinquefolia 
nivea 
saxtmontana 
Sibbaldia procumbens 
Acomastylis turbinata 
Homalobus humilis 
Epilobium clavatum 
anagallidifolium 
Angelica Rosei (Utah) 
4é 
* For discussion see Bull. Torrey Club 42: 632. 1915. 
