397] FLORA OF BOULDER, COLORADO 249 



5800-6000 ft. (Daniels, 176). Gulch south of Boulder (Ryd- 

 berg). 



North Dakota to Washington ; Colorado to California. 



II 53 I A- A. monoeephala. Rydb. Single-headed arnica. 

 Long's Peak (Porter & Coulter). 

 Montana and Idaho to Colorado. 



1154. A. Parryi Gray [A. eradiata (Gray) Heller]. Parry's 

 arnica. 



Arapahoe Trail just below timberline, Arapahoe Peak, thence 

 well toward Eldora, 9000-10500 ft. (Daniels, 946). Also at 

 Caribou (Rydberg). 



Montana to British Columbia ; Colorado to Washing- 

 ton. 



474. SENECIO L. Groundsel. 



1 155. S. scopulinus Greene [S. Bigelovii Hallii Gray]. Hall's 

 groundsel. 



Subalpine meadows at Eldora, 8600 ft. (Daniels, 624). 

 Wyoming to Colorado. 



1 1 56. S. chloranthus Greene. Green-flowered groundsel. 

 Subalpine bogs at Eldora. 8600 ft. (Daniels, 990). 

 Colorado. 



1 157. S. pudicus Greene. Bashful groundsel. 



Along Boulder Canon, and at Eldora, 7000-10000 ft. (Dan- 

 iels, 547). Also between Sunshine and Ward (Rydberg). 

 Colorado. 



1 158. S. carthamoides Greene. Alpine groundsel. 

 Arapahoe Peak above timberline, 1 0500-1 1000 ft. (Daniels, 



943)- 



Wyoming to Colorado. 



1 1 59. S. blitoides Greene. Blite groundsel. 



Arapahoe Peak above timberline, 10500-12000 ft. (Daniels, 

 1006). 

 Colorado. 



1 160. S. triangularis Hook. Triangular-leaved groundsel. 

 Common in subalpine bogs and along stream banks at El- 



