28o MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Anogra pallida (Lindl.) Britton, Mem. Torr. Bot. Club, 5: 234 [111. 



Fl. 2 : 489] ; OEnothcra alhicaiilis Nutt. Fraser Cat. (name only) 



[Man. R. M. 104; Bot. Cal. i: 223] ; not Pursh : OE. pallida 



Lindl. Bot. Reg. 14: //. 11^2. 



In sand draws, river banks, canons, etc., up to an altitude of 

 2000 m. 



Montana : Pony, July 6, 1897, Rydberg & Bcssey, 4j8j: Galla- 

 tin Co., 3Irs. Alderson; Madison Co., 1886, Tzueedy, loji ; Sand 

 Coulee, 1884, 1887, F. W. Anderson; Great Falls, 1891, R, S. 

 Williams, 1^2; Fort Ellis to the Yellowstone, 187 1, Haydcn ; Smith 

 River, 1883, Scribner, jS. 



Pachylophus caespitosa (Xutt.) Raiman, in Engler & Prantl, Nat. 



Pfi. Fam. 3: abt. 7, 215 [111. Fl. 2: 492] ; OEnothcra caesp'tosa 



Nutt. Fras. Cat. ; Torr. & Gray, Fl. N. Am. i : 500 [Man. R. 



M. 104; Bot. Cal. I : 224]. 



Dry hills and " bad-lands," at an altitude of 1000 to over 2000 m. 



Montana: Deer Lodge, 1888, 7^. W. Trafhagcn; Beaver Head 

 Co., 1888, F. Tweedy, p/; Madison Qo., Mrs. Flora McXulty ; 

 Great Falls, 1891, R. S. Williams, 12; Custer Co., 1892, Mrs. 

 Light ; Yellowstone Valle}', 1882, Canby (small-flowered) ; Shields 

 River, 1883, Scribncr, j8b {= marginata) \ Billings, 1882, Canby 

 (small); Priest's Rapids, 1883, Canby, yS^ (large); Shinberger 

 Canon, 1880, Watson. These specimens may represent more than 

 one species. 



Yellowstone Park : Mammoth Hot Springs, 1885, Tzvecdy, j/^. 



Lavauxia triloba (Nutt.) Spach, Hist. Veg. 4: 367 [111. Fl. 2: 



493] ; OEnothera triloba Nutt. Journ. Acad. Phila. 2 : 118 ; Torr. 



& Gray, Fl. N. Am. i : 499 [Man. R. M. 104 ; Bot. Cal. i : 224]. 



Dry grounds, at an altitude of 1000-2500 m. 



Montana: Helena, 1891, F. D. Kelsey ; Lima, 1S95, Rydbcrg, 

 2'/j4; Great Falls, 1885,/^. W. Anderson, ijS; Great Falls, 1891, 

 R. S. Williams, 2pp: Madison River, 1883, Scribncr, jSa. 



Taraxia breviflora (Torr. & Gray) Nutt.; Torr. & Gray, Fl.' N. 



Am. I : 506 ; OEnothera breviflora Torr. & Gray, Fl. N. Am. i : 



506 [Man. R. M. 104; Bot. Cal. i: 224]. 



Valleys, especially in sandy soil, up to an altitude of 2500 m. 



Montana: Little Belt Mts., 1896, Flodman, 6/g. 



Yellowstone Park : Indian Creek, 1884, Tzoeedy, jji ; 1873, 

 C. C. Parry, iij. 



