No. 480] 



ALPINE FLORA OF COLORADO 



Dasystephana parryi (Engelm.).' 

 Phlox kelseyi Britton. 

 Polemoniumdelicatum Rydb. (Colo., 

 N. M.) 



Mertensia polyphylla Greene. 

 Erigeron leucotrichus Rydb. 

 E. leiomerus A. Gray. 

 E. elatior A. Gray. 

 E. coulteri Porter. 

 E. salsuginosus glacialis (Nutt.). 

 E. viscidus Rydb. (Colo, only.) 

 Antennaria nardina Greene. 



Arnica silvatica Greene. 

 -4. rydbergii Greene. 

 .4. tenvis Rydb. 

 .4. suhplumosa Greene. 

 Senecio pagosanus Heller. (Colo, 

 only.) 



S. hlitoides Greene. (Colo, only.) 



S. pentodontus Greene. 



Carduus scopulorum Greene. (Colo. 



C. griseus Rydb. (Colo, only.) 



To these may be added the two following:— 



Mertensia perplexa Rydb. Arapahoe Peak, Colo., in a draw just 

 above timber line (W. P. Cockerell). 



Senecio triangularis Hooker. Arapahoe Peak, at timber line (Dr. F. 

 Daniels and W. P. Cockerell). 



(2) Species going below 8000 feet. In the case of some of 

 these, the range to 12,000 feet may need confirmation. It is not 

 impossible that misunderstandings have sometimes arisen, as the 

 result of vague labeling. 



(a) Species extending to British America or Alaska (24 

 species) : — 



Equisetum Icevigatum A. Br. 

 Calamagrostis purpurascens R. Br. 



(To Greenland.) 

 Festuca ingrata (Hack.). 

 Agropyron violaceum (Hornem.). 



(To Greenland.) 

 Carex ebcnca Rydb. 

 Aiiticlea elegans (Pursh). 

 Eriogonum flavum Nutt. 

 Anemone globosa Nutt. 

 Ranunculus ellipticus Greene. 

 Thalictrum venulosum Trelease. 

 Sedum stenopetalum Pursh. (But 

 really goes higher than Rydberg 



uadei 



Osmorrhiza ohtusa (C. & R.). 



(Washingtonia ohtusa C. & ] 

 Androsace pubendenta Rydb. 

 Amarella stridi flora (Rydb.). 

 Da.^ystrphnna affinis (Griseb.). 

 Veronica americann Schwein. 

 Campanula pctiolata D. C. 



Kriqnrm m 



1 Mixed with this according to Greene, is a second species, Dasystephana 

 bracteosa (Gentiana bracteosa Greene, Pitt., vol. 4, 180.) 



