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. Mex. 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 Utah. 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. 



