54 POACEAE. 



Bosworth ranch, Larimer Co. ; Glenwood Springs, Garfield Co. ; foot-hills, 

 Larimer Co. ; Poudre Caiion ; Rist Canon ; Pinkham Creek, Larimer Co. 



4. Agropyron arizonicum S. & S. In the mountains from Colo, to Ariz, 

 and Mex. — Alt. 8000-11,000 ft. — Mountains between Sunshine and Ward, 

 Boulder Co. ; near Pagosa Peak ; Robinson, Summit Co. 



5. Agropyron Richardsoni (Trin.) Schrad. (A. unilaterale Cassidy.) In 

 meadows and among bushes from Minn, and Sask. to B. C, Iowa and Colo. 

 — Alt. 7000-10,000 ft. — Veta Pass ; Manitou ; Graymont ; LaPlata Canon ; 

 Crystal Park ; mountains of Larimer Co. ; Dillon ; Salida, Chaffee Co. ; Twin 

 Lakes; Empire; along the Michigan, North Park; Como; Bosworth's ranch. 

 Stove Prairie. 



6. Agropyron caninum (L.) Beauv. In meadows from N. Sc. to Ida., N. 

 C. and Colo. — Alt. about 7000 ft. — Mancos; North Park; Red Stone. 



7. Agropyron andinum (S. & S.) Rydb. {A. violaceum andinum S. & S.) 

 On high mountain-tops from Mont, to Colo. — Alt. about 9000 ft. — Silver 

 Plume; summit of North Park Range. 



8. Agropyron violaceum (Hornem.) Vasey. In the mountains from Greenl. 

 to Alaska, N. H. and Utah. — Alt. 6500-12,000 ft. — Near Pagosa Peak; West 

 Mancos Canon; Cerro Summit; Crystal Park; Trinidad; near Badito; Green 

 Mountain Falls; Gunnison; Buena Vista; Empire; Ft. Collins; gulch west 

 of Soldier Canon; La Porte; mountain west of Cameron Pass; Four-Mile 

 Hill; North Park; near Chambers' Lake; Cameron Pass; Willow Creek and 

 Fish Creek Falls, Routt Co. 



9. Agropyron tenerum Vasey. On hillsides from Lab. to Alaska, N. H., 

 Mo. and Colo.— Alt. 4000-7500 ft.— Fort Garland; New Windsor, Weld Co.; 

 Colorado Springs; Arboles; Mancos; Fort Collins; Trimble Springs, north 

 of Durango; Deer Run; Gunnison; Twin Lakes; Mancos; Soldier's Canon. 



10. Agropyron lanceolatum S. & S. On the plains from Wyo. to Wash, 

 and Colo.— Alt. about 5000 ft.— Fort Collins; Calloway Hill; Horsetooth 

 Gulch. 



11. Agropyron pseudorepens S. & S. In meadows from Iowa to Alb., N. 

 M. and Utah.— Alt. 4000-10,000 ft.— Clear Creek, near Empire; Kebler Pass; 

 mountains near Pagosa Peak; vicinity of Boulder; Colorado Springs; La 

 Porte; Beaver Creek; Durango; Grizzly Creek; New Windsor, Weld Co.; 

 Pike's Peak; Fontaine qui Bouille Valley; Veta Pass; Ft. Collins; Gray- 

 mont. 



12. Agropyron riparium S. & S. On river banks from Mont, to Colo.— 

 Alt. about 7000 ft. — Colorado Springs. 



13. Agropyron occidentale Scribn. {A. rcpens glaucum Am. auth.) On 



prairies and plains from Man. and Sask. to Ore., Mo., N. M. and Ariz. 



Alt. 4000-9500 ft.— Veta Pass; Weston's Pass; Trimble Springs, north of 

 Durango; Longmont, Boulder Co.; Wahatoya Creek; Ft. Morgan; South 

 Park; Hotchkiss; Table Rock; Ft. Collins; La Porte. 



14., Agropyron molle (S. & S.) Rydb. In dryer valleys on the plains, 

 especially in alkaline soil, from Sask. to Wash, and N. M. — Alt. 5000-9000 

 ft.— Weston's Pass; Arboles; New Windsor, Weld Co.; Mancos; Cerro 

 Summit; Sangre de Cristo Creek; Wahatoya Creek; Golden; Canon City, 

 Fremont Co.; North Park; Hardin's ranch; Ft. Collins. 



