40 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Avena striata Michx. Fl. Bor. Am. i : 73 [Man. R. M. 415 ; 111. 



Fl. i: 172]. 



In wooded river bottoms at an altitude of 1500-2000 m. 



Montana: Little Belt Mts. near Barker, 1896, Flodinan, 80; 

 Rydberg, 336J ; Belt Creek, 1883, Sc?-ibncr, jyi . 



Yellowstone Park: Slough Creek and Soda Butte, 1885, 

 Tzuccdy, 612. 



Danthonia intermedia Vasey, Bull, Torr. Bot. Club, 10 : 52 : Dan- 



thoula scricea Thurb. Bot. Cal. 2 : 294 [Man. R. M. 416] : not 



Nutt. 



It is distinguished from D. scricea by its shorter and smaller culm 

 and leaves, closer panicle, shorter awn and the flowering glume 

 glabrous on the back. 



On dry hills at an altitude of 2000-2500 m. 



Montana: Mystic Lake, i^g^, jRydbcrg; 22^^; Spanish Basin, 

 1896, Flodnian^ p(5andp7; Belt Canon, 1887, R. S. IVi/lianis, 61 j; 

 Spanish Basin, 1896, Rydbcrg, jOjO, jo8j : Elk Mountain, j^pj; 

 1883, Scribner, J/j. 



Yellowstone Park: East DeLacy's Creek, Aug. 10, 1897, 

 Rvdbcrg £• Bcsscy, j6o2 and jdoj ; 1884, Tzoccdy, 26g. 



Danthonia Californica Boland. Proc. Cal. Acad. 2 : 182 [Man. R. 



M. 415 : Bot. Cal. 2: 294]. 



In meadows at an altitude of 1000-2000 m. 



Montana: Bozeman, 1895, Shear, ^yj and 487; Castle, 1896, 

 Flodnian, 95 ; Bozeman, g2 ; Great Falls, 1891, R. S. Wilh'anis, j8o ; 

 Gallatin Co., 1886, Tweedy, 1026; Sixteen Mile Creek, 1883, 

 Scribner, J7J : Bozeman, 1S96, Rydbcrg, jooj; Spanish Basin, 

 3124; Castle, j^jd and j^jo," Grasshopper Valley, 1880, Watson; 

 Forks of the Madison, July 26, 1897, Rydbero dl' Bessey, j6oj; 

 Blackfoot River, 1883, Canby, j6/. 



Danthonia unispicata Munro, as svnonym under Danthonia Cali- 

 fornica unispicata Thurb. Bot. Cal. 2 : 294 [Man. R. M. 415]. 

 In meadows, especially in sandy soil, at an altitude of 1500- 



2500 m. 



Montana: Bridger Mountains, iS(^6, R/od/nan, p8 : Belt River, 



1888, R. S. Williams, 614; Cedar Mountain, July 16, 1897, Ryd- 



berg & Bessey, 3601 ; Spanish Basin, July 28, 3604: 1883, Scribner, 



374- 



