72 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Yellowstone Park: Yellowstone Lake, Aug. 12, 1897, Ryd- 

 berg <£- Bessev, 3739' 

 Carex utriculata Boott; Hook. Fl. Bor. Am. 2: 221 [Man. R. M. 



383 ; III. Fl. I : 297 : Bot. Cal. 2 : 252.] 



In wet meadows and swamps up to an altitude of 2500 m. 



Montana: Dillon, 1895, Rydberg, 2083; Spanish Creek, 

 1886, Tweedy, 1040: Park Co., 1887; Box Elder Creek, 1886, 

 R. S. Williams, 460: Smith River, 1883, Scribncr, 32 j; Little 

 Belt Mts., 1882, Canbv • Swimming Women Creek, 1882, Canby ; 

 Big Hole Valley, 1880, Watson. 



Yellowstone Park: Shoshone Lake, Aug. 10, 1897, Rydberg 

 ci- Bessev, 373S : 1884, Tzueedy, 214, 213 and 217. 



Carex utriculata minor Boott : Hook. Fl. Bor. Am. 2:221 [Man. R. 



M. 384]. 



Occurs with the species. 



Montana: Dillon, Rxdberg, 20S4; Mystic Lake, Shea?', 

 483 ; Rydberg, 2237 and 2241 : Forks of the Madison, July 26, 1897 ; 

 Rydberg & Bessey,j742: Spanish Basin, Juh- i, j/y/.* Gallatin 

 Co., 1886, Tweedy, 1041. 



Yellowstone Park: East De Lacy's Creek, Aug., 1897, Ryd- 

 berg d- Bessey, 3746. 



Carex hystricina Muhl. : Willd. Sp. PI. 4: 282 [Man. R. M. 382 ; 

 111. Fl. 1:300]. 



Wet meadows at an altitude of less than 1000 m. 

 Montana: Lower Sand Coulee, 1891, 7?. S. WilliaDis, 863. 



Carex filiformis L. Sp. PI. 976 [111. Fl. i : 305 ; Man. R. M. 381]. 

 In meadows, rare. 

 Montana: Columbia Falls, 1892, R. S. Wi/lianis, gji . 



Carex lanuginosa Michx. Fl. Bor. Am. 2: 175 [111. Fl. i : 305] ; 



Carex fiUforinis la ti folia ^oqc]s\. Linnaea, 47: 309 [Man. R. M. 



381 ; Bot. Cal. 2 : 250]. 



Common in wet meadows and sloughs up to an altitude of 2000 m. 



Montana: Townsend, i8^<,, Rydberg, ^/jd; Logan, 2273; Man- 

 hattan, 2183 and 2188; Red Rock, 20po and 2093 : Bozeman, Shear, 

 431; Belt Park, 1886, R. S. Williams, 446; Bozeman, 1886, 

 Tweedy, 1034; Sixteen Mile Creek, 1883, Seribner, 323 ; Spanish 

 Basin, 1896, Rydberg, jojj ; Forks of the Madison, July 26, 1897, 

 Rydberg d- Bessey, 3741 : Cliff Lake, July 27, 4743: Grasshopper 

 Valley, 1880, Watson; Missoula, 1880, Watson. 



