POACEAE. 47 



dier Canon; Mt. Hesperus; Bob Creek; Cripple Creek; river-bluffs north of 

 La Veta; Estes Park; Ojo; Veta Mountain; hills southeast of La Veta; 

 Table Rock; Trinidad; headwaters of Pass Creek; Piney and Beaver Creeks; 

 West Mancos River; Los Pinos; Van Boxle's ranch, above Cimarron; Seven 

 Lakes; mountains near Veta Pass; Mt. Hesperus; West Indian Creek. 



Poa brevipaniculata subpallida Williams is a low variety with pale-green 

 color. — Rocky Mountains (Hall & Harbour); Bear Creek; headwaters of 

 Clear Creek and alpine ridges, east of Middle Park; Stove Prairie Hill. 



36. Poa Fendleriana (Steud.) Vasey. Dry hills and table lands from Colo, 

 to N. ]\Iex. and Calif. — Alt. 6000-11,500 ft. — Trinidad; Upper LaPlata; Mani- 

 tou ; Los Pinos ; near Pagosa Peak ; near Badito ; Colorado Springs. 



37. Poa glaucifolia S. & W. Moist banks from S. D. and Mont, to Colo. 

 — Fort Collins and Calloway Hill. 



38. Poa Nevadensis Scribn. In dry meadows and on hillsides from Mont, 

 and B. C. to Colo.. Nev. and Ore. — Alt. 5000-6500 ft.— Gulch west of Sol- 

 dier Canon; near Fort Collins; dry hills near Wood's ranch. 



39. Poa laevigata Scribn. On dry meadows and hillsides from Mont, and 

 Wash, to Colo. — Alt. 6500-9000 ft. — Gunnison; Chester; lola; Mancos; along 

 the Michigan, North Park; Rabbit-Ears, Larimer Co. 



40. Poa juncifolia Scribn. Dry hills and plains of Wyo., Utah and Colo. 

 — Middle Park ; South Park ; Georgetown ; Hardin's ranch. 



41. Poa confusa Rydb. Dry meadows and open " parks " in the mountains 

 from Mont, and Nebr. to Colo. — Alt. 5000-10,000 ft. — Twin Lakes; dry plains. 

 North Park ; Colorado and Wyoming State line ; near Ft. Collins. 



A form with the glumes slightly strigose below. — Clear Lake; George- 

 town. 



42. Poa truncata Rydb. Meadows of Colo. — Alt. about 5000 ft. — Dillon, 

 Summit Co. : Holdredge Ranch, North Park. 



43. Poa pratericola Rydb. & Nash. (P. andina Nutt.) Dry plains and 

 prairies of Nebr., Wyo. and Colo. — Alt. 4000-12,000 ft. — South Park; Green 

 River ; Twin Lakes ; La Porte ; mountains near Pagosa Peak. 



44. Poa lucida Vasey. On dry hills from S. D. and Wyo. to Colo. — Alt. 

 5000-9000 ft. — Twin Lakes ; Graymont ; South Park ; North Park ; Colum- 

 bine ; vicinity of Ft. Collins ; Crystal Creek ; La Plata Canon ; Mancos ; Hold- 

 redge Meadow, North Park ; Beaver Creek Camp. 



45. Poa Buckleyana Nash. On dry plains and hills from Nebr., Mont, and 

 Wash, to Colo, and L^tah. — Alt. 5000-12,000 ft. — Silver Plume; Buena Vista; 

 Leroux Creek, Delta Co. ; Cimarron ; Encampment Meadows ; meadow near 

 Pinkhampton ; Holdredge Meadow, North Park; Cameron Pass, above tim- 

 ber line ; ^Marshall Pass ; mountains above Beaver Creek. 



46. Poa Sheldonii Vasey. On dry hills and mountain-sides in Colo. — Alt. 

 8000-12,000 ft.— Headwaters of Clear Creek and alpine ridges east of Mid- 

 dle Park; along Cottonwood Creek, near Buena Vista; Silver Plume; Mt. 

 Ouray; Chicken Creek, west of Mt. Hesperus; West Mancos Canon; Bob 

 Creek; Como. 



