RYDBERG: PHYTOGEOGRAPHICAL NOTES 441 
Arnica macilenta Senecio anacletus 
“  subplumosa ‘* — amplectans 
Senecio pudicus “ foliosus 
‘‘  chloranthus ‘*  multicapitatus 
‘*  lapathifolius Agoseris graminifolia 
Restricted to the Northern Rockies 
Agrostis variabilis Trifolium Haydent 
Poa nervosa Aragallus viscidulus 
Carex ablata sk viscidus 
‘* — montanensis Epilobium latiusculum 
*  shectabtlis . Drummondii 
Juncoides glabratum ‘«  oregonense 
Alsine crassifolia anagallidifolium 
Silene oregana Dodecatheon uniflorum 
“repens Amarella anisosepala 
*  Douglasu Phlox alyssifolia 
tPulsatilla occidentalis Mertensia paniculata 
Ranunculus alismellus : stenoloba 
saxicola Pentstemon fruticosum 
Ee Suksdorfit st crassifolium 
Aconitum ramosum : eas Lyalli 
See delphinifolium incene ia lutea 
Thlaspi californicum pallescens 
Heuchera flabellifolia Adenostegia ramosa 
ie ovalifolia Euphrasia mollis 
Potentilla viridescens tCampanula heterodoxa 
1 ipo Erigeron politus 
os Vre Antennaria umbrinella 
& fabelifolia ra Arnica tenuis 
“ * virgultata ene megocephalus * 
Drymocallis pseudorupestris Hookeri 
Acomastylis sericea ‘*  Iugens 
Sieversia ciliata . tA goseris pumila 
Lupinus monticola 
is DrY VALLEYS AND eee 
Species marked ‘“‘§’’ are found in more sandy places; those 
* For description see Bull. Torrey Bot. Club 42: 632. 1915. 
