395] FLORA OF BOULDER, COLORADO 247 



Assiniboia to Montana and New Mexico. 



1 137. A. spithamaea Pursh. Alpine mugwort. 

 Arapahoe Peak above timberline, 11000-12500 ft. (Daniels, 



920). 



Labrador to Alaska and Colorado. 



1 138. A. frigida Willd. Barrens sage. 



Common in dry open places throughout, 5100-10000 ft. 

 (Daniels, 451). 

 Hudson Bay to Alaska ; Texas to Utah. 



1 139. A. scopulorum Gray. Rocky Mountain sage. 

 Mountains south of Ward (Rydberg). 

 Wyoming to Colorado and Utah. 



1 140. A. biennis Willd. Biennial wormwood. 

 Boulder Canon at Eldora, 8600 ft. (Daniels, 846). 



Nova Scotia to Mackenzie ; Pennsylvania to California. 



1141. A. saxicola Rydb. [A. Chamissoniana saxatills Besser]. 

 Rock sage. 



Long's Peak (Rydberg). 

 Wyoming to Colorado. 



1 142. A. silvicola Osterh. Sylvan sage. 



Subalpine slopes and valleys at Eldora, 8600 ft. (Daniels, 

 996). 



Colorado to New Mexico. 



1 143. A. gnaphalodes Nutt. Cudweed sage. 



Common on the plains, mesas, foothills, and lower moun- 

 tain slopes, 5100-9000 ft. (Daniels, 755). The original spell- 

 ing of the specific name is as above, though the word should 

 have been gnaphalioides. 



North Dakota to Wyoming ; Arkansas to Colorado ; 

 naturalized eastward to New York and Ontario. 



1 144. A. Brittonii Rydb. Britton's sage. 



Plains, mesas, and foothills, 5100-8000 ft. C Daniels, 967). 

 Colorado to Utah. 



1 145. A. diversifolia Rydb. Diverse-leaved sage. 

 Valleys in the foothills, 6000-8000 ft. (Daniels, 966). 



