76 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Common in wet meadows up to an altitude of 2500 m. 



Montana: Bozeman, 1895, Shear ^ 461 y2\ Forks of the Madi- 

 son, July 26, 1897 ; Rydbcrg X- Bcssey, 3740: Bridger Mts., June 

 14, 3768; Box Elder Creek, 1886, R. S. Williams, 461a; 

 Spanish Basin, 1896, Rydherg, 3123; East Gallatin Swamps, 

 3ig6; Elk Mts., Black Hawk, 327S. 



Idaho: Henry's Lake, July 31, iSg'] , Rydbcrg d- Bcssey, 3744 

 and 374g. 



Carex Kebraskensis praevia Bailey, ^Nlem. Torr. Bot. Club, i : 49 ; 



Carcx Jauicsii Torr. Ann. Lye. N. Y. 3 : 39S ; not Schwein. 



[Man. R. M. 384; Bot. Cal. 2: 243]. 



With the preceding. 



Montana: Spanish Basin, July i, 1897, Rydbcrg & Besscy, 

 3748; Bozeman, 1887, Tzcccdv, ij ; Mt. Blackmore, 1886, 1037; 

 Wolf Butte, 1888, R. S. MiUiams46T: Jefferson City, 1883, Scrib- 

 ncr, 3i(). 



Yellowstone Park: 1873, C. C. Parry, 286. 



Carex variabilis Bailey, Mem. Torr. Bot. Club, i : 18 ; Carcx 

 strict a and C. apcrta divaricata Bailev, in Coulter, Man. R. M. 



385. 



Common in wet meadows up to an altitude of 2500 m. 



Montana: Bozeman, t%(^^. Shear, 448 {}), 461: Forks of the 

 Madison, July 26, 1897, Rydbcrg tC- Bcsscy, 3730, 3734- 



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

 Rydbcrg cf- Bcsscv, 3731 (^)j 3733 ,' Yellowstone Falls, Aug. 14, 

 3814; Lcttcrman. 



Carex variabilis altior ; Carcx variabilis elatior Bailey, Mem. Torr. 

 Bot. Club, I : 19, 1889; not C. elatior Boeckl. 1880. 

 Taller, with long and narrower leaves. 

 Montana : Mj^stic Lake, 1895, Shear, 47^: Rydbcrg, 2238, 2236. 



* Carex acutina Bailey, Mem. Torr. Bot. Club, i : 52 : Carcx acuta 



Bailey, Proc. Am. Acad. 22: 86: not Linn. 



Yellowstone Park: Upper Falls, Aug. 14, 1897, Rydbcrg d- 

 Bessey,3732 ; Black Tail Deer Creek, 1884, Tzceedy, 212, 216. 



Carex Idahoa Bailey, Bot. Gaz. 2J: 5. 1896. 



This species has not been collected in Montana, but may be ex- 

 pected to occur there, as the type was collected very near the state 

 boundary in Idaho at Beaver Canon, 1895, Rydbcrg, 233 g. 



