3IO MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



* Gentiana Oregana Engelm. ; Gray, Syn. Fl. 2': 122; Gentiana 



affinis ovata Gray, Bot. Cal. i : 483. 



Like G. offinis Griseb., but with broader ovate leaves and broadly 

 funnel-form corolla. In valleys, up to an altitude of 1500—2000 m. 



Montana : Lima, 1895, Rydherg^ 2'jj6 ; Livingston, 1892, F. D. 

 Kelsey ; Middle Creek Caiion, 1891, W. T. Shaiv : Ennis, 1886, 

 Tweedy, iigS ; Meadow Creek, 1886, iigg; Silver Bow Co., Mrs. 

 Moore; Ribby, 1883, Scribner, ijj ; Madison Co., 1886, Tzveedy, 

 II pp (narrower leaves than usual). 



Gentiana Forwoodii Gra} , Proc. Am. Acad. 19 : 86 [Syn. Fl. 2^ : 



406; Man. R. M. 236]. 



On hillsides, up to an altitude of 2800 m, 



Montana: Little Rocky Mts., 1889, Dr. V. Havard ; Mullan 

 Tunnel, 1890, F. D. Kelsey ; Cliff Lake, July 27, 1897, Rydberg 

 & Bcssey, 468 q; Lima, 1895, Rydberg, ^75^; Bozeman, 2yjj ; 

 Judith Basin, 1896, Flodman, J2j ; Sweet Grass Caiion, J2S; Belt 

 Canon, 1886, R. S. Willimns, i8g: Blackfoot River, 1883, Canby^ 

 22g; Belt Mts., 1882, Canby. 



Yellowstone Park: 1885, G. W. Lettervian; Yellowstone 

 Lake, 187 1, Hay den Survey; Yellowstone Falls, Aug. 14, 1897, 

 Rydberg & Bess ey, 46^0; Yellowstone Lake, Aug. 12, 4688; Mam- 

 moth Hot Springs, 1884, F. Tweedy, 211 ; Crandall Creek, 1897, 

 P. Koch, 6j ; Upper Falls, 1871, Hayden Survey. 



Frasera speciosa Dougl. Fl. Bor. Am. 2: 266 [Syn. Fl. 2': 125; 



Man. R. M. 246; Bot. Cal. i : 484]. 



Dry hillsides, at an altitude of 1500-3000 m. 



Montana: Lima, 1895, Rydberg^ ^jjj; Judith Basin, 1897, 

 Flodman, 72^; Cedar Mountain, July 16, 1897, Rydberg & Besscy^ 

 4700; Haystack Peak, Park Co., 1887, F. Tweedy, 86; Beaver 

 Head Co., 1888, i2g: Upper Sand Coulee, 1889, R. S. Williams^ 

 jj ; Prickly Pear Caiion, 1883, Scribner, i§6. 



Yellowstone Park : 1884, 7^. Tweedy; 1885, /c?^. 



Idaho: Mt. Chauvet, July 29, 1897, Rydberg & Bessey, 46^8. 



* Frasera albicaulis Dougl. ; Griseb. in Hook. Fl. Bor. Am. 2 : 67 



[Syn. Fl. 2': 126]. 



A minutely pruinose plant with narrow leaves, interrupted thyrsoid 

 inflorescence and lavender-blue flowers. 



Montana: Big Hole Valley, 1880, Waison. 



