MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 203 



Differs from J^//)cs lacustre in the less dissected leaves, longer 

 racemes and the stem, which often lacks bristles or prickles; spines 

 usually fewer and simpler. It occurs on wooded hillsides, while 

 R. lacustre alwaj^s grows in swamps. 



Montana: Bridger Mts., June i8, 1897, Rydherg & Bessey, 

 4250; Grizzly Creek, 1887, Tzuecdy, 262; Belt Mountains, 1885, F. 

 W. Anderson, 144; Priest's Pass, 1892, R. D. Kelsey ; Bozeman, 

 1883, Canby, 126; Jefferson City, 1883, Scn'hncr, j^h; Prickly 

 Pear Canon, j^g; Missoula, 1898, Williams d- Griffith. 



Yellowstone Park: Upper Falls, Aug. 14, 1897, Rydberg & 

 Bessey, 43 ig; Soda Butte, 1885, Tzuecdy, S32 ; C. C. Parry, 105 ( ?). 



Ribes parvulum (Gray) ; Ribes lacustre parviiliiiii Gray, Bot. Cal. 



I : 206 [Man. R. M. 97]. 



Among rocks on the highest mountains, at an altitude of about 

 3000 m. 



Montana: Little Rocky Mts., 1889, Br. V. Havard; Old Hol- 

 lowtop. Pony Mts., July 7, 1897, Rydberg & Bessey, 4231 ; Cedar 

 Mts., July 16, 4232. 



Yellowstone Park : 1885, Tzveedy,8ji. 



Ribes Hudsonianum Richards. Frank. Journ. Ed. 2, App. 6 [Man. 



R. M. 97 ; 111. Fl. 2 : 190 ; Bot. Cal. i : 206]. 



On wooded hillsides, in damp places, up to an altitude of 2500 m. 



Montana: Deer Lodge, 1888, 7^. fF. Tra-phagen; Spanish Basin, 

 1896, Flodman, jjy; Lewis and Clarke Co., Mrs. E. Miith; 

 Priest's Pass, 1892, 7^. Z^. /iW^dry,* Jefferson City, 1883, Scribner, 

 34c; Priest's Pass, 1883, Canby, 12^; Missoula, 1898, Williams & 

 Griffith. 



Yellowstone Park : 18S5, Tzveedy, Sj6. 



Ribes viscosissimum Pursh, Fl. Am. Sept. 163 [Man. R. M. 97 ; 



Bot. Cal. I : 207]. 



In woods, up to an altitude of 2000 m. 



Montana: Bridger Mts., 1896, Flodman, 338; June 14, 1897, 

 Rydberg & Bessey, 4236; Marysville, 1892, Miss Ada Adams; 

 Prickly Pear Creek, 1883, Scribner, 34e; Odell's, 1880, Watson. 



Yellowstone Park : Mammoth Hot Springs, 1889, E. A 

 Mearns, 3-jS ; 1873, C. C. Parry, 108. 



Ribes floridum L'Her. Stirp. Nov. i : 4 [Man. R. M, 97 ; 111. Fl. 2 : 

 191]. 



