22l] FLORA OF BOULDER, COLORADO 73 



133. P. Americana (Torr.) Mac M. [Glyceria grandis Wats.]. 

 Reed meadow-grass. 



In swales and along streams, less common than the pre- 

 ceding, 5100-8600 ft. (Daniels, 969). 



New Brunswick to Alaska; Tennessee to Nevada. 



134. P. Holmii Beal. Holm's manna-grass. 



Deep cafions on north slope of Green Mountain, 7000- 

 8100 ft. (Daniels, 464). Lamb's Ranch, Long's Peak, gioo 

 ft. (Beal). 



Colorado. 



135. P. borealis Nash. Northern floating manna. 



In irrigation ditches about Boulder; also floating in 

 Glacier lake, 5100-9000 ft. (Daniels, 739). 

 Maine to Alaska; New York to California. 



69. PTJCCINELLIA Pari. Salt meadow-grass. 



136. P. airoides (Nutt.) Wats. & Coult. Slender salt 

 meadow-grass. 



Along water-courses in the mesas, and in alkaline soil on 

 the plains, 5100-6000 ft. (Daniels, 383). Also at Longmont 

 (Rydberg). 



Manitoba to Mackenzie and British Columbia; Kansas 

 to Nevada. 



70. FESTUCA L. Fescue-grass. 



137. F. octoflora Walt. [F. f^M^?/a Willd.]. Slender fescue- 

 grass. 



Abundant on the plains and arid open mountain slopes, 

 5100-9000 ft. (Daniels, 181). 

 Quebec to British Columbia; Florida to California. 



138. F. elatior L. [F. elatior pratensis (Huds.) Gray]. 

 Meadow fescue. 



Common throughout the irrigated area, especially along 

 ditches, 5100-6000 ft. (Daniels, 785). 



Europe, thence to temperate North America. 



