MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 5 1 



near Black Hawk, 1896, Flodinan^ 132; Helena, 1889, Kelscy ; 

 Spanish Basin, iS(^6, Ilydbe?-g\ J046 andj/(5/; Cottonwood Creek, 

 J228; Sixteen Mile Creek, 1883, Scn'bncr, jgi . 



Poa Buckleyana Nash, Bull. Torr. Bot. Club, 22: 465 [111. Fl. 



I : 208] ; Poa tenuifolia Buckley, Proc. Phila. Acad., 1862 : 96 



[Man. R. M. 421] ; not A. Rich. 1851. 



In dryer meadows and on benchlands and prairies to an altitude 

 of 2000 m. 



Montana: Bozeman, 1895, Shear, ^dy: Mystic Lake, Rydberg^ 

 2260; Lima, 2J21 ; Little Belt Mts., near the pass, Flodman, i2y 

 and i2g: Spanish Basin, June 28, 1897, Rydberg <£■ Rcssey, j66i ; 

 Spanish Basin, 1896, Rydberg; jo2j and j 14/ : Bridger Canon, J224. 

 and J22j; Yogo Baldy, J41/', 3421 and 342/: Sweet Grass Canon, 



3-^43- 



Yellowstone Park: East Fork, 1885, Tzvccdy, 63^; Soda 

 Butte, 1885, 632; Electric Peak, Aug., 1897, Rydberg & Bessey^ 

 3663 ( ?) ; EastDeLacy's Creek, Aug. 10,3662: Yellowstone Lake, 

 1885, Tzveedy, 641. 



Idaho: Mt. Chauvet, Jul}- 29, 1897, Rydberg d' Bessey, 3633, 

 3636, 3638, 363P (the last with narrow leaves). 



* Poa Nevadensis Vasey, Bull. Torr. Bot. Club, 10 : 66. 



Like R. Buckleyana but stouter and scabrous ; leaves broader and 

 panicle larger. An excellent haygrass, growing in meadows and on 

 hillsides at an altitude of 2000-3000 m. 



Montana : Red Rock, 1895, Rydberg, 2ogi ; Mystic Lake, 22 jg; 

 Melrose, 22Q3 : Shear ^ 341 ; Lima, 552 and 36 j ; Rydberg, 2313 ; 

 Spanish Peaks, 1896, Flodman, 146; vSpanish Basin, /// and I4g; 

 Elk Mountains, near Castle, 131: Jack Creek, July 16, iSg*] , Ryd- 

 berg & Bessey, 3663 ; Spanish Basin, 1896, Rydberg, 30J0 and 3 iii ; 

 Castle, j^^j and324p: Black Hawk, j^^j andj^/^; 1883, Scribner, 

 3g7 and 3C)S. 



Yellowstone Park: 1884, Ticeedx, 2y6 and ^/p; East Pelican 

 Creek, 1885, 642: East Fork, 643: Yellowstone Lake, Aug. 12, 

 1897, Rydberg tf- Bessey, 3664: Electric Peak, Aug. 18, 3666. 



* Poa pratericola Rydb. & Nash; Poa arida Vasey, Cont. U. S. 



Nat. Herb, i : 270 [111. Fl. i : 208] ; no\. Poa frateusis arida Par- 

 nell. Grasses of Britain, 74 ; Poa andina Nutt. ; Wats. King Exp. 

 5 : 388 ; not Trin. 



