MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 77 



Carex ablata Baile}-, Bot. Gaz. 13 : 82 ; Carcx frigida Bailey, in 



Coulter, Man. R. M. 380; not All. 



Meadows at an altitude of about 2500 m. 



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

 berg & Bcssev, J7j6. 



Caxex longirostris Torr. ; Schw. Ann. Lye. N. Y. i : 71 [111. Fl. i : 



319] ; Man. R. M. 380. 



Among bushes up to an altitude of 2000 m. 



Montana: Park Co., 1889, Tzucedy ; Gallatin Co., 1886, lojj; 

 Tiger Butte, 1886, R. S. Williams^ ^yj ; Jefferson City, 1882, 

 Scribner, J26. 



Yellowstone Park : Mammoth Hot Springs and East Fork, 

 1885, Tzucedy, 661. 



Carex capillaris L. Sp. PL 977 [Man. R. M. 380; 111. Fl. i : 320]. 



On the mountains at an altitude of 2400 m. or more. 



Montana: Yogo, 1888, R. S. Williams, 642; Upper Marias 

 Pass, 1883, Caiiby, Jj2. 



Carex flava L. Sp. PL 975 [Man. R. M. 381 ; 111. Fl. i : 323]. 

 In sandy meadows. 

 Montana: St. Ignatius Mission, 1883, Canby, jjj. 



* Carex flava recterostrata Bailejs Bot. Gaz. 13 : 84. 

 Wet sandy meadows to an altitude of 2500 m. 

 Montana: Logging Creek, 1889, R. S.Wi/liaiiis, Sj^. 

 Yello\\\stone Park: Lower Geyser Basin, Aug. 4, 1897, Ryd- 



berg & Besscy, 3781. 



* Carex viridula Michx. FL Bor. Am. 2: 170 [111. FL i: 324]; 



Carcx Jiava viridula Bailey, Mem. Torr. Bot. Club, i : 31. 



In wet places up to an altitude of 1500 m. 



Montana: Sun River Canon, 1887, R. S. Williams, S^j. 



Carex abbreviata Prescott ; Boott, Trans. Linn. Soc. 20: 141 [111. 

 FL I : 324] ; Carcx Torrcyi, Tuck. Enum. Meth. 21 [Man. R. 

 . M. 378] ; not C. Torrcxana Schw. 

 Montana : Highwood Caiion, 1889, R. S. Williams, /pj. 



Carex aurea Xutt. Gen. 2 : 205 [Man. R. M. 378; 111. FL i : 331 ; 

 Bot. Cal. 2 : 240]. 



In wet meadows up to an altitude of 2500 m. 

 Montana : Manhattan, 1895, Rydbcrg, 220 j ; Mystic Lake, 2240; 



