GRASS-FLORA OF TOLLAND, COLORADO, AND VICINITY 1 39 



Agropyron violaceum (Hornem.) Vasey. 



Rydberg, Flora of Colo., p. 54; Coulter-Nelson Manual, p. 80; Daniels, Flora of 

 Boulder, Colo., p. 76. 



Hillsides and open grassland areas in the mountain from Greenl. to Alaska, N.H. 

 and Utah. Range in Colo. 6,500-12,000 ft. 



Collections: Tolland (dry grassland) (ruderal) 6747, 6881, 6919, 8797, 8881, 8882, 

 8894, 8920, 8984, 8985, 9031. 

 Agropyron tenerum Vasey. 



Rydberg, Flora of Colo., p. 54; Coulter-Nelson Manual, p. 80; Daniels, Flora of 

 Boulder, Colo., p. 76. 



On hillsides, and in rolling grassland from Lab. to Alaska, N.H., Mo. and Colo. 

 Range in Colo. 4,000-9,000 ft. 



Collections: Tolland (dry grassland) (ruderal) 6886, 8921, 9063; Smartweed Lake 

 (Dasiphora association) 6126. 

 Agropyron lanceolatum S. & S. 



Rydberg, Flora of Colo., p. 54; Coulter-Nelson Manual, p. 81 (apparently included 

 in A. occidental e); not listed in Daniels, Flora of Boulder, Colo. 



On the plains and in mountain parks from Wyo. to Wash, and Colo. Range in 

 Colo. 5,000-8,500 ft. 



Collections: Smartweed Lake (dry forest, dry grassland) 8785, 9016. 

 Agropyron pseudorepens S. & S. 



Rydberg, Flora of Colo., p. 54; Coulter-Nelson Manual, p. 80; Daniels, Flora of 

 Boulder, Colo., p. 76. 



In meadows and along roadsides from Iowa to Alb., N.Mex. and Utah. Range 

 in Colo. 4,000-10,000 ft. 



Collections: Tolland (ruderal) 8803, 8827, 8892; Eldora 2327; between Tolland and 

 Rollins ville 8722. 

 Agropyron riparium S. & S. 



Rydberg, Flora of Colo., p. 54; not recognized as a separate species in the Coulter- 

 Nelson Manual; Daniels, Flora of Boulder, Colo., p. 77. 



On river banks and in meadows from Mont, to Colo. Range in Colo. 7,000-9,000 ft. 



Collection: Tolland (dry grassland) 6932. 

 Agropyron occidentale Scribn. 



Rydberg, Flora of Colo., p. 54; Coulter-Nelson Manual, p. 81; Daniels, Flora of 

 Boulder, Colo., p. 77. 



Prairies and plains, often along roadsides, Man. and Sask., Ore., Mo., N.Mex. and 

 Ariz. Range in Colo. 4,000-9,500 ft. 



Collection: Tolland (ruderal) 9022. 



HORDEUM L. Barley 



Hordeum jubatum L. 



Rydberg, Flora of Colo., p. 55; Coulter-Nelson Manual, p. 82; Daniels, Flora of 

 Boulder, Colo., p. 77. 



