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 ; mountains 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 ; canons and meadows, west of Ouray. 



27. Poa occidentalis (Vasey) Rydb. (Poa flexuosa 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. purpurascciis 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 Canon ; 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 Canon ; 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- 



