387] FLORA OF BOULDER, COLORADO 239 



Plains and mesas about Boulder and Marshall, 5100-6000 ft. 

 (Daniels, 435). 

 NEBRASKA to WASHINGTON; TEXAS to CALIFORNIA. 



1090. E. flagellaris Gray [E. stolonifer Greene]. STOLON- 



IFEROUS FLEABANE. 



Abundant on the plains, 5100-6000 ft. (Daniels, 3). 

 SOUTH DAKOTA to WYOMING; NEW MEXICO to UTAH. 



448%. WYOMINGIA A. Nels. MOUNTAIN DAISY. 



1091. W. cana (Gray). A. Nels. [Erigeron canus Gray]. 

 HOARY MOUNTAIN DAISY. 



Sunset Canon (Rydberg). 



SOUTH DAKOTA to WYOMING; NEBRASKA to NEW MEXICO. 



449. LEPTILONRaf. HORSEWEED. 



1092. L. Canadense (L.) Britton [Erigeron Canadensis L.]. 

 COMMON HORSEWEED. 



Fields and waste places, common, 5100-8000 ft. (Daniels, 



585). 



NORTH AMERICA, thence spreading throughout the world. 



io92a. L. Canadense pusillum (Nutt.) Daniels. Nov. comb. 



[Erigeron pusillus Nutt.]. DWARF HORSEWEED. 

 The common form of the foothills, y 2 -i dm. high, and but 

 few-flowered, 6000-8000 ft. (Daniels, 694). 



450. ANTENNAEIA Gaertn. EVERLASTING. CAT'S- 



FOOT. 



1093. A. media Greene. MEDIUM CAT'S-FOOT. 



Arapahoe Peak above timberline, 11000-12000 ft. (Daniels, 

 1005). 

 MONTANA to BRITISH COLUMBIA; COLORADO to CALIFORNIA. 



1094. A. umbrinella Rydb. UMBER CAT'S-FOOT. 



Arapahoe Peak above timberline, 11000-12000 ft. (Daniels, 



932). 



MONTANA and IDAHO to COLORADO. 



1095. A. concinna E. Nels. 



