76 UNIVERSITY OF MISSOURI STUDIES [224 



73. AGROPYRON Gaertn. WHEAT GRASS. 



153. A. Scribneri Vasey. SCRIBNER'S WHEAT GRASS. 

 Long's Peak (Holm). 



MONTANA to COLORADO and ARIZONA. 



I 53/ / 2- A. spicatum inenne (Scribn. & Sm.) Heller [A. Vaseyi 

 S. & S.]. VASEY' s WHEAT GRASS. 



Frequent on the mesas and foothills, 5700-7000 ft. 

 (Daniels, 171). 



MONTANA to OREGON; COLORADO to UTAH. 



154. A. Arizonicum S. & S. ARIZONA WHEAT GRASS. 

 Mountains between Sunshine and Ward, 8000-11000 ft. 



(Rydberg). 



COLORADO to ARIZONA and MEXICO. 



155. A. Richardsonii (Trin.) Schrad. [A. unilateral Cas- 

 sidy]. RICHARDSON'S WHEAT GRASS. 



Mountain meadows, rather local, 7000 (Bear Canon) -10000 

 ft. (Daniels, 830). 



MINNESOTA to BRITISH COLUMBIA; IOWA to COLORADO. 



156. A. andinum (S. & S.) Rydb. [A. violaceum andinum 

 S. & S.]. MOUNTAIN WHEAT GRASS. 



Mountainsides at Eldora 8600-9000 ft. (Daniels, 640). 

 MONTANA to COLORADO. 



157. A. violaceum (Hornem.) Vasey. VIOLET WHEAT GRASS. 

 Common on the foothills and mountains, 6300 (GreenMt.) 



12000 ft. (Daniels, 362). 

 GREENLAND to ALASKA; NEW HAMPSHIRE to UTAH. 



158. A. tenerum Vasey. SLENDER WHEAT GRASS. 

 Common on the plains, foothills, and lower mountain 



slopes, 5100-7500 ft. (Daniels, 395). 



LABRADOR to ALASKA; NEW HAMPSHIRE to COLORADO. 



159. A. pseudorepens S. & S. FALSE QUACK GRASS. 

 Common on the plains and in mountain meadows, 5100- 



10000 ft. (Daniels, 511). 

 IOWA to ALBERTA; NEW MEXICO to UTAH. 



