140 UNIVERSITY OF COLORADO STUDIES 



On prairies and in meadows from Lab. to Alaska, N.J., Tex. and Calif. Range in 

 Colo. 4,000-11,000 ft. 



Collections: Tolland (ruderal) 3457!, 6780, 9039; Smartweed Lake 7852. 

 Hordeum sativum hexastichon (L.) Hack. 



Not listed in Rydberg, Flora of Colo.; or Coulter-Nelson Manual; Daniels, Flora 

 of Boulder, Colo., p. 77. 



Adventive along roadsides, 5,000-9,000 ft. 



Collections: Between Tolland and Rollinsville 8717; Tolland (ruderal) 9065. 



SITANION Raf. Bristle-grass 



Sitanion longifolium J. G. Smith. 



Rydberg, Flora of Colo., p. 55; Coulter-Nelson Manual, p. 83; Daniels, Flora of 

 Boulder, Colo., p. 78. 



Dry situations on hillsides and among rocks from Nebr. to Nev., Tex. and Ariz. 

 Range in Colo. 6,500-9,000 ft. 



Collections: Tolland (dry grassland) 8823, 8919; Mammoth Gulch 8842. 

 Sitanion brevifolium J. G. Smith. 



Rydberg, Flora of Colo., p. 56; Coulter-Nelson Manual, p. 84; Daniels, Flora of 

 Boulder, Colo., p. 78. 



Dry soil on hills and mountain sides from Wyo. to Utah, Colo, and Ariz. Range 

 in Colo. 5,000-10,000 ft. 



Collections: Tolland ; Boulder Park 6777; East Lake (dry hillside) 3446; 



Eldora 2329. 



ELYMUS L. Lyme-grass 

 Elymus canadensis L. 



Rydberg, Flora of Colo., p. 56; Coulter-Nelson Manual, p. 82; Daniels, Flora of 

 Boulder, Colo., p. 78. 



On stream banks and among bushes; also along hedgerows and roadsides N.S. and 

 Wash, to Ga. and N.Mex. Range in Colo. 4,000-9,000 ft. 



Collection: Tolland (ruderal) 9057. Not hitherto reported from the higher moun- 

 tain districts. 

 Elymus glaucus Buckley. 



Rydberg, Flora of Colo., p. 56; Coulter-Nelson Manual, p. 82; not listed in Daniels, 

 Flora of Boulder, Colo. 



In meadows and among bushes from Mich, to Alb., B.C., Colo, and Calif. Range 

 in Colo. 7,000-10,000 ft. 



Collection: Tolland 7503. 

 Elymus condensatus Presl. 



Rydberg, Flora of Colo., p. 57; Coulter-Nelson Manual, p. 83; Daniels, Flora of 

 Boulder, Colo., p. 78. 



On hills and in dryer valleys from Alb. and B.C. to N.M. and Calif. Range in 

 Colo. 5,000-10,000 ft. 



Collection: South Boulder Canyon above Tolland. 



