70 UNIVERSITY OF MISSOURI STUDIES [218 



112^2. P. cenisia All. [P. flexuosa Wahl.]. Flexuous 



MEADOW-CRASS. 



Long's Peak (Holm). 

 Greenland to Alaska ; Colorado. 



113. P. callichroa Rydb. Fair-hued meadow-grass. 

 Mountain-sides at Eldora, S600-11500 ft. (Daniels, 647). 

 Colorado. 



114. P. reflexa V. & S. Reflexed meadow-grass. 



In mountain meadows descending to the slopes of the 

 foothills, 6400 (Flagstaff Hill) -13000 ft. (Daniels, 952). 

 Montana to New Mexico and Oregon. 



115. P. leptocoma Trin. Smooth-glumed meadow-grass. 



In mountain meadows with the preceding, 6300 (Flagstaff 

 Hill) -12500 ft. (Daniels, 225). 

 Montana to Alaska; Colorado to California. 



116. P. alpicola Nash [P. lax a Thurber]. Mountain 

 meadow-grass. 



Above timberline, Arapahoe Peak, 11 500-13000 ft. 

 (Daniels, 941). Also on Long's Peak (Rydberg). 

 Colorado to Utah; California. 



117. P. platyphylla Nash & Rydb. [P. occidcntalis Vasey]. 

 Western meadow-grass. 



Along mountain streams, 5600 (Boulder Canon) -10500 

 ft. (Daniels, 150). 

 Colorado to New Mexico. 



118. P. compressa L. English blue-grass. 



Common throughout the irrigated district, but not noticed 

 in the mountains, 5100-6000 ft. (Daniels, 242). 

 Europe, thence to North America. 



119. P. triflora Gilib. [P. serotina Ehr.]. Fowl meadow- 

 grass. 



Common in swales and wet meadows, 5100-8600 (P^ldora) 

 ft. (Daniels, 4S2). 



Newfoundland to British Columbia; New Jersey to 

 California: Europe. 



