22 1 ] 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 canons on north slope of Green Mountain, 7000- 

 8100 ft. (Daniels, 464). Lamb's Ranch, Long's Peak, 9100 

 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. PUCCINELLIA Parl. 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. tenella 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. 



