i6o me:moirs of the xe\v york botanical garden. 



Clematis ligusticifolia Xutt. ; Torr. & Gray, Fl. N. i\m. i : 9 [Syn. 



Fl. i' : 4 ; Man. R. M. 3 ; 111. Fl. 2 : 68 ; Bot. Cal. 1:3]. 



This species belongs to the canons of the great plains and "bad 

 lands," but ascends in the mountains to an altitude of 2000 m. 



Montana: Bozeman, 1886, Tzccedy, lojg: Crow Creek, 1894, 

 E. Douglass; Salesville and West Gallatin, 1892, W. T. Shaw; 

 Lewis & Clarke Co., Mrs. Muth ; Helena, F. D. Kelsey ; Belt 

 Mountains, 1883, Scribncr, i: jNIissoula, 1880, Watson. 



Clematis Douglasii Hook. Fl. Bor. Am. i: i [Syn. Fl. i^ : 8 ; 



Man. R. M. 3]. 



Common in open woods throughout the mountain regions up to an 

 altitude of almost 3000 m. 



Montana : Bozeman, 1883, Scribncr, la; Helena, 1895, Rydbergy 

 26ji ; Bridger Mountains, June 12-18, 1897, Rydbcrg d- Bcssey, 

 ^opd and ^100; Jack Creek Canon, July 14, 401 ; Old Hollow^top, 

 Pony Mts., July 7, ^ogS ; Elk Mts., 1895, Flodman^ ^66 ; Bozeman 

 Pass, 1882, 7^. Tzvecdy; Hell Gate, John Pcarsall, S76; Helena, 

 1891, F. D. Kelsey; Lewis & Clarke Co., Mrs. Muth; Gallatin 

 Co., Mrs. Alderson; Bozeman, 1892, W. T. Shazo \ Belt Mts., 

 1891,7?. S. Williams, iii: Clear Water Creek, 1883, Canby,j. 



Yellowstone Park : Obscidian Cliffs, 1888, 7?^. Chas. H. Hall 

 (together with a form with narrowly linear lobes): 1885, Tzceedy, 

 Sg2 : Mammoth Hot Springs, 1889, F. W. Dezvart. 



Idaho: Beaver Canon, iS()$, Fydberg, 26J0; Henry's Lake, 

 July 27, 1897, Rydberg & Bessey, 70pp. 

 Clematis Scottii Porter : Porter & Coulter, Syn. Fl. Colo. ; Clematis 



Vouglasii Scottii Coult. Man. Bot. Rocky .Mts. 3 [Syn. Fl. i' : 8 ; 



111. Fl. 2: 70]. 



Rare in Montana, growing on hillsides at an altitude of 2000 m. 



Montana: Spanish Basin, i8g6, Flodman, 46^: Bozeman, 1883, 

 Canby, 2. 

 Atragene Columbiana (Torr. & Gray) Nutt. Jour. Acad. Philad. 7: 



7; C7f;;/a//5 C^/«w/;m;/r/ Torr. & Gray, Fl. N. Am.i : 11; Clem- 

 atis verticilaris Columbiana Gray, Syn. Fl. i' : 8; Clematis vcr- 



ticilaris Wats. Bot. Cal. i : 3 [Man. R. M. 3, as to the Rocky 



MountE^in plants] ; not DC. 



Common in the woods, at an altitude of 2000-3000 m. 



Montana: Deer Lodge, 1888, F. W. Traphagen; Jack Creek, 

 July 14, 1897, Rydberg d- Bessey, 4104; Bridger Mts., June 15 and 



