GRASS-FLORA OF TOLLAND, COLORADO, AND VICINITY 131 



On dry, stony hills and alpine table-lands from Greenl. to Alaska, Colo, and Calif. 

 Range in Colo. 6,500-12,500 ft. 



Collections: Tolland 8864; East Lake (among trees) 3455; Mammoth Gulch 6695, 

 8840; Smartweed Lake (dry forest and ridge) 8787. 

 Calamagrostis canadensis (Michx.) Beauv. 



Rydberg, Flora of Colo., p. 32; Coulter-Nelson Manual, p. 58; Daniels, Flora of 

 Boulder, Colo., p. 65. 



In wet thickets and open woods; also in meadows from Lab. to B.C., N.C. and 

 Calif. Range in Colo. 4,000-11,000 ft. 



Collections: Tolland 6876, 6913, 8957; Boulder Park 6753; East Lake (Shrub 

 association) 3419. 

 Calamagrostis canadensis acuminata Vasey. 



Rydberg, Flora of Colo., p. 32; Coulter-Nelson Manual, p. 59; not listed in Daniels, 

 Flora of Boulder, Colo. 



Ravines and thickets Lab. to B.C., N.C. to Calif. Range in Colo. 9,000-10,000 ft. 



Collections: Mammoth Gulch 8841; between Tolland and Eldora Lake (streamside) 

 9102. 

 Calamagrostis hyperborea elongata Kearney. 



Rydberg, Flora of Colo., p. 32; Coulter-Nelson Manual, p. 59; not listed in Daniels, 

 Flora of Boulder, Colo. 



In wet meadows and swamps, especially in plains regions, from Ont. to B.C., Colo, 

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



Collections: Tolland (dry grassland) 8888; East Lake (among sedges) 3370; Smart- 

 weed Lake (dry grass-land) 879r. 



Tribe AVENEAE 



DESCHAMPSIA Beauv. Hair-grass 



Deschampsia caespitosa (L.) Beauv. 



Rydberg, Flora of Colo., p. 33; Coulter-Nelson Manual, p. 60; Daniels, Flora of 

 Boulder, Colo., p. 65. 



In wet meadows and swamps from Newf. to Alaska, N.J. and Calif. Range in 

 Colo. 7,500-11,000 ft. 



Collections: Tolland (dry grassland) 6920, 6928; Boulder Park 6743; Park Lake 

 7885; East Lake 3403; Mammoth Gulch (meadow) 5353; Smartweed Lake (Dasiphora 

 association) 7863. 



TRISETUM Pers. False Oats 

 Trisetum subspicatum (L.) Beauv. 



Rydberg, Flora of Colo., p. 33; Coulter-Nelson Manual, p. 61; Daniels, Flora of 

 Boulder, Colo., p. 65 (as T. spicatum). 



On mountains and hillsides from Greenl. to Alaska, N.H., Colo, and Calif.; also 

 northern Europe. Range in Colo. 8,600-13,000 ft. 



Collections: Tolland (dry grassland) 6718, 8693, 8804, 8810; Mammoth Gulch 

 (ridge) 5210; Eldora 2269. 



