MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 7 1 



In water up to an altitude of 2000 m. 



Montana: Helena, iSgo, Kclscy ; Lower Gallatin Basin, 1886, 

 Tweedy, 104.4; Big Hole River, 1888, g6 ; Teton River, 1883, 

 Scribncr, 



Scirpus campestris Britton, 111. Fl. i : 267 ; Scirpus fiiviatib's 

 Coulter, ]Man. R. M. 367, in part, not L. 

 In salt marshes in the prairie region. 

 Montana : Fort Shaw, R. S. Williams, ^gS. 



Scirpus atroviiens Muhl. Gram. 43 [Man. R. M. 368 ; 111. Fl. i : 

 269 ; Bot. Cal. 2 : 219]. 



In bogs and streams within the prairie regions. 

 Montana: Missouri River, 1883, So-ibncr, jOj. 



Scirpus microcarpus Presl, Rel. Haenk. i : 195 [111. Fl. i : 269] ; 



Scirpus sylvaticus digynns Boeckl. Linnaea, 36 : 727 [Man. R. M. 



368; Bot". Cal. 2: 219]. 



In swamps and streams up to an altitude of 1500 m. 



Montana: Dillon, 1895, Rydberg, 208 j ; Logan, Shear, ^20; 

 Manhattan, 42^; Townsend, Rydberg, 2i6j: Jinttall, 4; Bozeman, 

 1886, Ticcedy, 104^: Box Elder Creek, 1886, R. S. Williams, ^04; 

 East Gallatin Swamps, 1896, Rydberg, 3201. 



*Eriophorum russeolum Fries, Novit. Mant. 3: 67 [111. Fl. i : 272]. 



It is characterized by its single head and the bristles which turn 

 reddish brown. In bogs at an altitude of 2^00 m. 



Yellowstone Park: Sour Creek, 1885, Tzueedy, 66j. 



Eriophorum polystachyum L. Sp. PI. 52 [Man. R. M. t^6S; 111. Fl 



I : 273 ; Bot. Cal. 2 : 220]. 



In bogs at an altitude of 1500-2000 m. 



Montana: Twin Bridges, 1892, Mrs. H. M. Fitch ; Big Hole 

 Valley, 1800, Watson. 



Yellowstone Park : 1873, C. C. Parry, 288. 



Eriophorum gracile Koch ; Roth, Catal. Bot. 2 : 259 [Man. R. M. 

 368 ; 111. Fl. I : 273 ; Bot. Cal. 2 : 220]. 

 In bogs up to an altitude of 1000 m. 

 Montana: Columbia Falls, 1892, R. S. Williams, ^40. 



* Carex monile colorata Bailey, Mem. Torr. Bot. Club, i : 39. 



Smaller than the eastern typical form; spikes shorter and dark' 

 brown. Meadows at an altitude of 2300 m. 



