MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 45 



berg, JJ-/-J ; Silver Bow Co., Mrs. Belle A. Miles; Prickly Pear 

 Canon, 1883, Scrihiier, J82 ; Missoula, 1898, Williams <£■ Griffith. 



*Eatonia obtusata robusta Vasey ; Rydb. Contr. U. S. Nat. Herb. 

 3: 190. 



More robust than the species, with leaves 5-6 mm. wide. 

 Montana: Townsend, 1895, -5"//rrt;r, jpo; Rydberg, 2ijO. 



*Eatonia Pennsylvanica (DC.) A. Gray, Man. Ed. 2, 558 [IlL 



Fl. I : 193] ; Koeleria Pennsylvanica DC. Cat. Hort. Monsp. 



117. 



Resembling the last but with the second glume oblanceolate, not 

 obovate, truncate. In wet meadows up to an altitude of 2000 m. 



Montana: Manhattan, 1895, Shear, 428 and 442: Rydberg; 

 21J4; Logan, Shear, jij; Rydberg, 2268 ; East Gallatin Swamps, 

 1896, Flodman, loj ; Rydberg, 3173 ^.^6.3183 ; Horned Creek, 1883, 

 Scribner, 3S1 (var. stricta). 



*Eatonia Pennsylvanica major Torr. ; A. Gray. Man. Ed. 2, 558. 



Taller and with more compound panicle. It has the same range 

 as the species. 



Montana: Townsend, 1895, Rydberg, 2160; Bozeman, Shear^ 

 438; Melrose, 33S ; East Gallatin Swamps, 1896, Rydberg, 3174; 

 Bozeman, 1886, Tzi'eedy, 1016. 



Distichlis spicata stricta (Torr.) Scribn. Mem. Torr. Bot. Club, 5: 

 51 ; Uniola stricta Torr. Ann. Lye. N. Y. i : 155 ; D. niaritinia 

 stricta Thurber, Bot. Cal. 2 : 306 [Man. R. M. 420]. 

 In saline soil, throughout the plains and prairies, ascending in the 



valleys to an altitude of 2000 m. 



Montana: Melrose, 1895, Shear, 344: Belt River, 1896, R. S. 



Williams, 334; Musselshell River, iS()6, Rydberg, 3434; Gallatin 



City, 1883, Scribncr, 387; Flathead Region, 1883, H. B. Ayres : 



Billings, 1896, Williams & Griffith. 



Poa compressa L. Sp. PL 69 [Man. R. M. 421 : 111. Fl. i : 202]. 



In woods and thickets at an altitude of about 2000 m. 



Montana : Deer Lodge, i^g$, Rydberg, 2132}^; Helena, July 

 13, 2143 ; Shear, 382 and jpp. 



Poa alpina L. Sp. PL 67 [Man. R. M. 421; 111. Fl. i: 203; 

 Bot. Cal. 2 : 312]. 

 Most common in damp places on alpine peaks, among rocks or 



