54 POACEAE. 



Bosworth ranch, Larimer Co. ; Glenwood 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 Richardson! (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. violaccum 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 ; Galloway 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. rcpcns 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. 



