122 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



* Eriogonum subalpinum Greene, Pittonia, 3 : 18. 



Differs from E. itmbcUatitni mainly in the straw colored or ochro- 

 leucous flowers. On hills at an altitude of 1500-2500 m. 



Montana: Spanish Basin, 1896, Flodman, 374^ Cottonwood 

 Creek, j/d; Helena, 1890, Kelsey ; Spanish Creek, 1886, Tweedy y 

 iiSi; Madison Co., 1888, ///,• Silver Bow Co., Mis. X. E. 

 Caspar; Spanish Basin, July 23-24, iSi^*] , Rydbei'g c^ Bessey, jjjj ; 

 Bridger Mountains, June 18, 5334- 



Yellowstone Park: 1884, Tzjeedy, 18 and ig; 1883, 3Iiss 

 Mary Comptoii. 

 Eriogonum heracleoides Xutt. Journ. Acad. Phila. 7: 49 [Man. R. 



M. 313; Bot. Cal. 2: 20; Wats. Rev. 257]. 



Dry hills at an altitude of 1000-2500 m. 



Montana: Wyetk; Columbia Falls, 1892, R. S. Will/anis, 8p6 ; 

 St. Ignatius Mission, 1883, Candy, 2Jj; Forks of the Madison, 

 1897, Rydberg & Bessey, 3337 : Indian Creek, July 21, 3336. 



Yellowstone Park : 1884, Tzi'eedy,2i. 

 Eriogonum cernuum Xutt. Journ. Acad. Phila. II., i : 162 [Man. 



R. M. 315; 111. Fl. i: 546; Bot. Cal. 2: 23: Wats. Rev. 259]. 



In bad lands, caiions and on dry benches up to an altitude of 

 1500 m. 



Montana: Manhattan, 1895, Rydberg, 2622: Yellowstone, 1853, 

 E. V. Haydcn; Fort Benton, 1883, Scribner, 234. 

 Eriogonum annuum Xutt. Trans. Am. Phil. Soc. II. 5: 164 [Man. 



R. M. 314; 111. Fl. i: 544; Wats. Rev. 262]. 



In sandy soil up to an altitude of 1500 m. 



Montana: Lake Basin, Yellowstone Co., 1889, Tzveedy : Bill- 

 ings, 1898, Williams tC" Grifftth. 

 Eriogonum ovalifolium Xutt. Journ. Acad. Phila. 7 : 50 [Man. R. 



M. 315: Bot. Cal. 2: 26; Wats. Rev. 262]. 



Dry and stonv hillsides and benchlands at an altitude of 1000- 

 2500 m. 



Montana: Cottonwood Creek, 1896, Elodniaii, 371 ; Bozeman, 

 1887, Tzueedy, gg : Silver Bow Co., 1888, log: Gardiner, 1885, 

 776; Wyeth; Mt. Chauvet, July 29, 1897, Rydberg & Bessey^ 

 5338; Old HoUowtop, Pony, July 9, 333S ; Cliff Lake, July 27, 



3341 ' 



Yellowstone Park: 1884, Tzceedy, 23; 1883, Miss Mary 



Conipton; 1873, C. C. Parry, 232; Hoodoo Peak, 1897, P. Kochy 



