46 POACEAE. 



in the arctics, from Greenl. and Alaska to Que., Colo, and Utah. — Alt. 9000- 

 13,000 ft. — Cameron Pass ; near Pagosa Peak ; Tennessee Pass ; La Plata 

 Canon ; Little Kate Mine, La Plata Mountains ; motintains of Estes Park ; 

 South Park ; Mt. Hesperus ; Gray's Peak ; Georgetown ; Mt. Harvard ; South 

 Park; Mt. Richtofen; bank of Michigan, North Park. 



23. Poa phoenicea Rydb. Mountains of Colo. — Alt. about 12,500 ft. — 

 Vicinity of Pike's Peak: Peak Valley; Windy Point. 



24. Poa Wheeleri Vasey. {Poa cuspidata Vasey.) In meadows from 

 Mont, and Ida. to Colo, and Ore. — Alt. 6000-11,000 ft. — Berthoud's Pass; 

 Marshall Pass; Ute Pass Road; North Park; Cameron Pass; Rist Canon; 

 Anita Peak; summit of North Park Range; Rabbit-Ear Range. 



25. Poa Vaseyana Scribn. In mountain meadows of Colo. — Alt. 9000- 

 10,000 ft. — Silver Plume; Mt. Princeton; near Chambers' Lake. 



26. Poa tricholepis Rydb. Mountain meadows of Colo. — Alt. 7500-11,500 

 ft. — Near Pagosa Peak; cations and meadows, west of Ouray. 



27. Poa occidentalis (Vasey) Rydb. {Poa Aexuosa occcidentalis Vasey.) 

 In the mountains of Colo, and Utah. — Alt. 10,000-11,500 ft.— Twin Lakes; 

 Beaver Creek. 



28. Poa pseudopratensis Scribn. & Rydb. In wet places from Neb. to S. D. 

 and Colo. — Alt. 4500-6000 ft. — Colorado Springs ; New Windsor, Weld Co. ; 

 along river below Fort Collins. 



29. Poa subpurpurea Rydb. {P. purpurascens Vasey; not Sprengel.) In 

 the mountains from Mont, and Wash, to Colo. — Cameron Pass. 



30. Poa epilis Scribn. In the mountains from Mont, to Colo, and Utah.— 

 Alt. 10,000-13,000 ft. — Buffalo Pass; Silver Plume; Camp Creek; high moun- 

 tains, vicinity of Gray's Peak; Buena Vista; near Pagosa Peak; Cameron 

 Pass ; Little Kate Mine, La Plata Mountains ; Poudre Canon ; Beaver Creek ; 

 summit of North Park Range. 



31. Poa nematophylla Rydb. Dry hills of Colo.— Meeker, Rio Blanco Co. 



32. Poa longiligula Scribn. & Williams. Hillsides and plains from S. D. 

 and Ore. to N. M. and Calif. — Alt. 7000-10,000 ft. — Navajo Canon; "Colorado 

 Terr."; Glenwood Springs; Buena Vista; South Park; Sierra Sangre de 

 Cristo; Black Cation; Table Rock; Palisades; Horsetooth Gulch; bank of 

 Grizzly Creek; North Park. 



33. Poa longipedunculata Scribn. Hills and mountain-sides from Wyo. to 

 N. Mex.— Alt. 5000-12,500 ft.— Mountains northeast of Dolores; hills about 

 Trinidad; Rist Cation; Silver Plume; Gray's Peak; Graymont; Stove 

 Prairie; Lake Ranch; Bear Creek Divide; Beaver Creek; Marshall Pass; 

 Manitou; Dolores; Veta Mountain; Poverty Ridge; near Pagosa Peak; Ojo; 

 Crystal Park; Los Pinos; Grayback mining camps and Placer Gulch; Tur- 

 key Creek and tributaries; West Spanish Peak; West Mancos Canon; West 

 Indian Creek; plains near Denver; Black Canon. 



Poa longipedunculata virescens Williams. Chambers' Lake; hills about 

 Trinidad. 



34. Poa scabriuscula Williams. Dry mountains of Utah and Colo.— Alt. 

 about 8500 ft. — South Park. 



35. Poa brevipaniculata Scribn. & Williams. Dry meadows and mountain- 

 sides in Colo.— Alt. 5500-10,000 ft.— Horsetooth Gulch; gulch west of Sol- 



