339] FLORA OF BOULDER, COLORADO X 9 T 



797. A. scopulorum Greene [Gentianella dementis Rydb.]. 

 Crag gentian. 



Common in deep canons and aspen bogs, 6500 (Green Mt.)- 

 9000 ft. (Daniels, 608). Redrock lake, 10100 ft. (Ramaley & 

 Robbins). 



South Dakota to Montana ; Colorado to Arizona. 



798. A. plebeja (Cham.) Greene [Gentiana plebeja 

 Cham.; G. amarella acuta Gray, not Hook.]. Low gen- 

 tian. 



Ward (Cockerell). 



Mackenzie and Alaska to Colorado and California. ( ?) 



798a. A. plebeja Holmii (Wettst.) Rydb. [Gentiana plebeja 

 Holmii Wettst.; Amarella nana Engelm.]. Holm's gen- 

 tian. 

 Above timberline, Arapahoe Peak, 11500-12000 ft. (Dan- 

 iels, 944). Also at Caribou (Rydberg). 

 Range of the type. 



341. CHONDROPHYLLA A. Nels. 



799. C. Fremontii (Torr.) A. Nels. [Gentiana Fremontii 

 Torr.]. Fremont's gentian. 



Long's Peak (Porter & Coulter; also Coulter in Wabash 

 College Herb.). 

 Wyoming to Colorado. 



799/2. C. Americana (Engelm.) A. Nels. [Gentiana pros- 

 tata Americana Engelm.]. American gentian. 

 Redrock lake, 10100 ft. (Ramaley & Robbins). 

 Alberta and Alaska to Colorado. 



342. DASYSTEPHANA Adans. Closed gentian. 



800. D. Romanzovii (Ledeb.) Rydb. [Gentiana Romansovii 

 Ledeb.]. Romanzof's closed gentian. 



Above timberline, Arapahoe Peak, 11500-13000 ft. (Daniels, 

 892). Redrock lake, 10100 ft. (Ramaley & Robbins). 

 Montana to Alaska ; Colorado to Utah : Asia. 



