MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 59 



Montana: Sheep Creek, 1896, Rydbo'g, 3304; Spanish Basin, 

 3114; Flodman, igS. 



Bromus Porteri (Couher) Nash, Bull. Torr. Bot. Club, 22: 512 



[111. Fl. I : 221] ; Bromtis Kalmii Porteri Coulter, Man. Bot. 



Rocky Mt. Region 425. 



It is rather nearer related to B. ciliatiis than to B. hreviaristatus. 

 Both empty glumes, however, are 3-nerved and the flowers hairy all 

 over. In meadows and woods at an altitude of 1200-2000 m. 



Montana: Little Belt Mts., 1896, Flodman^ 201 ; Helena, 1889, 

 Kclsey ; Gallatin Co., 1886, Tzveedy, looi ; Jack Creek, July 14, 

 1897, Rydbcrg c(r Bcsscy, 3682; Indian Creek, Aug. 22, 3686; 

 Priests' Pass, 1883, Caiiby, 384. 



Yellowstone Park: Cache Creek, 1885, Tzveedy^ 588 ; 1884, 

 266; Electric Peak, Aug. 20, 1897, Rydberg & Bessey, 3684 and 

 36S5. 



*Bromus Kalmii A. Gray, Man. 600 [111. Fl. i: 221]. 



Like B. Porteri, but the upper empty glume 5-7-nerved. In 

 meadows up to an altitude of 1800 m. 



Montana: Bozeman, 1895, Rydbcrg, 222yy2 ; Lima, 2313; 

 Spanish Basin, 1896, Rydberg, 304^; Dry Fork of Belt Creek, 

 3361; Castle, j^'jj ; 1883, Scribner, 413. 



Yellowstone Park: Lower Falls, 187 1, Haydcn. 



* Bromus Kalmii occidentalis Vasey ; Beal, Grasses, 2: 624. 



Blades narrow ; floral glumes with shorter hairs. 

 Montana : Canby & Scribner, 384. 



* Bromus hordeaceus L. Sp. PI. 77 [111. Fl. i: 222]; Bromus 



mollis L. Sp. PI. Ed. 2, 112. 



Somewhat resembling the preceding, but the flowering glumes 

 short-pubescent and the panicle more contracted. In waste places, 

 introduced from Europe. 



Montana: Garrison, 1895, Rydberg, 2126; Bozeman, 1896, 

 Rydbcrg. 



Bromus secalinus L. Sp. PI. 76 [Man. R. M. 425 ; 111. Fl. i : 222 ; 



Bot. Cal. 2 : 319]. 



In waste places, introduced. 



Montana: Garrison, 1895, Shear, 368; Bozeman, 433; Ryd- 

 berg, 2214. 



