RYDBERG: PHYTOGEOGRAPHICAL NOTES 445 
Mertensia Parryi 
Pentstemon stenosepalus 
_ caespitosus 
Besseya alpina 
‘  plantaginea 
Ritieriana 
Castilleja puberula 
Pedicularis Parryi 
e scopulorum 
Valertana acutiloba 
se 
Solidago decumbens 
Oreochrysum Parryi 
Aster griseolus 
Machaeranthera Pattersonii 
coh as fedifolius 
“  petrocallis 
ambrostoides 
Artemisia Pattersoniu 
S Parryi 
Agoseris agrestis 
sé 
Restricted to the Northern Rockies 
xX Oak aig tenax 
Douglas 
Erythronium obtusum 
. grandiflorum 
Salix Seemannii 
““  cascadensis 
Fernaldit 
Arenaria lithophila 
a salmonensis 
Silene Lyallia 
“* multicaulis 
tSophia sophioides 
Draba cana 
Arabis Lyallit 
—— grossularifolia 
flabellifolia 
Micranthes occidentalis 
“é 
Spathularia Brunnoniana 
Potentilla Vreelandit 
‘*  perdisecta 
Drymocallis pseudorupestris 
Acomastylis sericea 
Sieversia ciliata 
Lupinus caespitosus 
Trifolium montanense 
Cystium platytropis 
Viola adunca 
Bupleurum americanum 
Amarella propinqua 
pelea calycosa 
monticola 
Phacelia Lyallia 
Mertensia paniculata 
stenoloba 
se Tweedyi 
Pentstemon montanus 
= pseudohumilis 
& Tweedyi 
Pedicularis Hallit 
Valeriana septentrionalis 
Campanula heterodoxa 
Oreostemma Haydeni 
Townsendia Parryi 
Antennaria lanata 
{Artemisia arctica 
- elatior 
Agoseris pumila 
