54 
POACEAE. 
Bos worth ranch, Larimer Co.; Glen wood Springs, Garfield Co.; foot-hills, 
Larimer Co.; Poudre Canon; 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. repens glaucutn 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. 
