88 MEMOIRS OF THE NEW YORK BOTANICAL GARDETS. 



herg & Besscv, 384.1 ; East Gallatin Swamps, 1896, Flodnian, J26; 

 Spanish Basin, j-'j; Great Falls, 1886, i?. S. Williams, 303 ; East 

 Gallatin Swamps, 1896, Rydherg, 318c); Elk Mountains, 3240. 

 Yellowstone Park : East Fork, 1885, Tzuccdy, 6yi . 



Juncus filiformis L. Sp. PI. 326 [Man. R. M. 357 ; 111. Fl. i : 383]. 

 In wet places up to an altitude of 2500 m. 

 Montana: Lake Terry, 1892, R. S. Williams, gii. 

 Yellowstone Park: Turbid Lake, 1885, Tzoccdy, 668. 



Juncus subtriflorus ( E. Mey.) Coville, Cont. U. S. Nat. Herb. 



4: 208; Juuctis comprcsstis subt riforiis "M^y . Linnaea, 3 : 368; 



J. Drummondii Mey. ; Ledeb. Fl. Ross, 4 : 235 [Man. R. M. 



357 ; Bot. Cal. 2 : 206]. 



On mountain tops at an altitude of 2500-3500 m. 



Montana: Little Belt Pass, 1896, Flodman, 330: Long Baldy, 

 32g; Mill Creek, Park Co., 1887, Tzvccdy, 134: Belt Park, 1886, 

 R. S. Williams, 313 ; Little Belt Mountains, 18(^6, Ryd I) erg, 3336 

 nnd 33 p6. 



Yellowstone Park: Electric Peak, Aug. 18, 1897, Ryd- 

 hcrg & Bessey, 3816 and 381 j; East De Lacy's Creek, Aug. 10, 

 38 ig; 1885, Tweedy, 66g. 

 Juncus Parryi Engelm. Trans. Acad. Sc. St. Louis, 2 : 446 [Man. 



R. M. 357; Bot. Cal. 2: 206]. 



High mountain tops at an altitude of 2500-3500 m. 



Montana: Old Hollowtop, near Pony, July 7, 1897, Rxdhcrg & 

 Bessey, 3818 : Long Baldy, Little Belt Mts., 1896, Flodmaii , 328 ; 

 Yogo, 1888, R. S. Williams, 310; Park Co., 1887, R. Ticccdy, 

 133 ; Little Belt Mts., 1896, Rydbcrg^ 33^8 and j^zo/. 



Yellowstone Park: Upper Falls, Adams (Ha3^den Surve}'). 



* Juncus confusus Coville, Proc. Biol. Soc. Wash. 10: 127. 



Resembles J. tenuis, but differs in the more contracted panicle, 

 the shorter bract and the larger capsule. It is nearl}' as common 

 and occurs in similar situations. 



Montana: Spanish Basin, 1897, Rxdberg d- Bessey, 3813 ; Elk 

 Mts., 1896, Flodman, 334: Spanish Basin, jjj,- Bozeman, 1886, 

 Tweedy, 1046; Horned Creek, 1883, Scribner, 2^3 ; Spanish Basin, 

 1896, Rydberg, 3038, 30^3, and 3116 ; Elk Mountains, 3282. 



Yellowstone Park: Yellow^stone Lake, 1871, Hayden. 



Juncus tenuis Willd. Sp. PL 2: 214 [Man. R. M. 358 : Ill.Fl. i : 386 ; 

 Bot. Cal. 2 : 207]. 



