30 JMEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Montana: Dillon, 1895, Rydbc?'g; 20/-/; Melrose, July 6, 

 Shear, 346; Tovvnsend, S/ica?-, jg6: I^ydbcrg, 21 jj; Helena, 

 1892, Kchey ; Jack Creek, July 19, 1897, Rydberg & Bcssey, Jj66; 

 East Gallatin Swamp, 1896, Rvdbcrg, jt88 ; Townsend, 1883, Scrib- 

 ner,J48: Billings, 1898, Willianis d: Griffith. 



Sporobolus cryptandrus (Torr.) A. Gray, Man. 576 [Man. R. M. 



411; 111. Fl. i: 155: Bot. Cal. 2: 268]; Agrostis cryftandra 



Torr. Ann. Lye. N. Y. i : 151. 



On river banks up to an altitude of 1800 m. 



Montana: Melrose, 1895, Shear, jj6 : Great Falls, 1890, R. S. 

 VV/n/aiiis, 6oq: Missouri River, 1883, Scribiicr, 34^ : Billings, 1898, 

 Willi a ins t£- Griffith. 



*Polypogon Monspeliensis (L.) Desf. Fl. Alt. i: 67 [111. Fl. i: 

 157 ; Bot. Cal. 2 : 270] ; Alopccuriis Monspeliensis L. Sp. PL 89. 

 A grass resembling Alopeeiiriis in general habit but the two empt}' 



glumes with long awns. It is very rare in Montana. 

 Montana: Helena, 1891, AW^^-r. 



Cinna latifolia (Trev.) Griseb. ; Ledeb. Fl. Ross. 4: 435 [111. Fl. 



I : 158] ; Agrostis latifolia Trev. ; Goeppert, Beschr. d. Bot. 



Gart. Breslau, 82, 1830; Cinna pendula Trin. Mem. Acad. St. 



Petersb. (\ I.) 6: 280; Cinna ariDidinaeea pendula Gray, Man. 



Ed. 2 : 545 [Man. R. M. 413 ; Bot. Cal. 2 : 276]. 



In damp woods, ascending in the mountains to an altitude of 

 2000 m. 



Montana: Helena, 1895, TPiy^/^^vo-, 2ijg; Little Belt ]Mts., near 

 Barker, 1896, Flodman, 60; Tenderfoot, 1890, R. S. Williams, 

 822; Little Belt Mountains, 1896, Rydberg, 3364: East Gallatin 

 Swamps, 316/ ; Jack Creek, 1897, Rydberg tt Bessex, 3568 : Span- 

 ish Basin, jjdj; Emigrant Gulch, jj(5p.* Ray Creek, 1883, Serib- 

 ner, 33/; Missoula, 1898, Willianis <£■ Griffith. 



Yellowstone Park : East Fork, 1885, Tu'eedy, 381 . 



Agrostis alba L. Sp. PI. 63 [Man. R. M. 412 ; 111. Fl. i : 159; Bot. 



Cal. 2: 271] ; Agrostis vulgaris With. Bot. Arr. Brit. PI. Ed. 3, 



132. 



The red-top is one of the most common and most valuable forage 

 grasses of Montana, and grows in wet meadows up to an altitude of 

 2000 m. 



Montana: Helena, 1895, Shear, 384; Rydberg, 213/ and 213S; 



