MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 463 



of the leav^es, in the hairs of the involucre, which are not glandular, 

 and in the achenes which are not costate at maturity. 



Montana: Beaver Head Co., 1888, Tzveedy, 221 ; Deer Lodge, 

 1888,7^. W. Traphagen; Helena, 1887, P^- ^^- ^w^^r^^w ; Jeffer- 

 son River, 1883, Scribner, 126b. 



Yellowstone Park: Mammoth Hot Springs, 1885, Tweedy, 

 737; 1893, /. N. Rose, 680 (type). 

 Nabalus sagittata (Gray) ; Prenanthes alata sagittata Gray, Syn. 



Fl. i^: 435 [Man. R. M. 220]. 



In woods, in the western part of the State. 



Montana: Columbia Falls, 1892, R. S. Williams, gjy ; Jocko 

 Canon, Watson; Flathead River, 1883, Canhy, 206. 

 Hieracium Canadense Michx. Fl. Bor. Am. 2: 86 [111. Fl. 3: 286; 



Syn. Fl. r: 425; Man. R. M. 216]. 



On wooded hillsides, up to an altitude of 2000 m. 



Montana: West Boulder, 1887, Tweedy, 330; Columbia Falls, 

 Mt's. Kennedy, 3 and 12; Little Belt Mts., i.Sg6, Flodman, g24; 

 Birdtail Creek, 1883, Scribner, 123. 

 Hieracium umbellatum L. Sp. PI. 804 [111. Fl. 3: 286; Syn. FL 



i^: 425; Man. R. M. 217]. 



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



Montana: Helena, 1890, F. D. Kelscy ; Jefferson Co., 1890, 

 Kelsey ; Belt River Canon, 1886, 7^. W. Anderson, 263. 

 Hieracium gracile Hook. Fl. Bor. Am. i: 298 [Syn. Fl. i}-. 427; 



Man. R. M. 217] ; Hieracitivi triste gracile Gray, Bot. Cal. 



l: 441. 



Damp places in woods and on mountain-tops, at an altitude of 2000- 

 3000 m. 



Montana: Park Co., 1887, Tzveedy, 32^; Granite, 1892, F. D. 

 Kelsey; Belt Park, 1886, R. S. Williams, 437; Spanish Basin, 

 1896, Flodman, ^32 and g33 ; Little Belt Mts., pj^ and pjj; Lake 

 Plateau, 1897, P. Koch, 38; Old Hollowtop, July 7, 1897, Ryd- 

 berg & Bessey, 3313 ; Spanish Basin, June 2^,3318; McDonald's 

 Peak, 1883, Canby, 207. 



Yellowstone Park : 1884, Tweedy, 182. 

 * Hieracium gracile minimum Aven Nelson, Bull. Wyo. Exp. Sta. 



28 : 144. 



" Radical leaves 3-6, stem single, bearing 1-4 heads." The plant 

 is in every respect much smaller. 



