294 iMEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



PYROLACEAE. 

 Pyrola chlorantha Sw. Act. Holm. 1810 : 190 [111. Fl. 2: 550; 



Syn. Fl. 2': 47; Man. R. M. 230; Bot. Cal. i : 461]. 



In swamps, up to an altitude of 2500 m. 



Montana: Bridger Mts., 1896, Flodman, 'J04; Spanish Basin, 



yo§; Sheep Creek, 'jo6; Spanish Basin, June 28, 1897, Rydbcrg & 



Bessey, 4643; Jack Creek, July 15, 4642; Yogo, 1888, R. S. 



Williams, ^62; Gallatin Co., Mrs. Hodgman ; Ross' Hole, 1880, 



Watson. 



Yellowstone Park: Cache Creek, 1885, Tweedy, gi8. 



Pyrola uliginosa Torr. Fl. N. Y. i : 453 [111. Fl. 2: 551] ; Pyrola 



rotuiidifolia uliginosa A. Gray, Man. Ed. 2, 259 [S}^. Fl. 2' : 48 ; 



Man. R. M. 231]. 



In cold bogs, up to an altitude of 2800 m. 



Montana: Bozeman, 1896, Flodnian, yo-j ; Jack Creek, July 14, 

 1897, Rydberg & Bcsscy^ 4638 ; Indian Creek, July 21, 463 g; Cedar 

 Mountain, July 16, 4640; Park Co., 1887, Tweedy, p6 ; Tiger Butte, 

 1886, R. S. Williams, 30; Bear Creek Canon, 1892, W. T. Sliaw ; 

 Lewis & Clarke Co., Mrs. Muth; White Sulphur Springs, 1883, 

 Scribner, 141 ; Ross' Hole, 1880, Watson. 



Yellowstone Park : Yellowstone Lake, Aug. 12, 1897, Ryd- 

 berg & Bessey, 4641; 1884, Tzveedy, 238; 1885, gi6. 



* Pyrola asarifolia Michx. Fl. Bor. Am. i : 251 [111. Fl. 2: 551] ; 



Pyrola rotuiidifolia asarifolia Hook. Fl. Bor. Am. 2 : 46 [Syn. 



Fl. 2^:47]. 



Like the preceding, but with reniform or cordate leaves, and gen- 

 erally somewhat larger flowers. In bogs, up to an altitude of 2000 m. 



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



Pyrola elliptica Nutt. Gen. i: 273 [111. Fl. 2: 550; Syn. Fl. 

 2': 47; Man. R. M. 230]. 

 Woods, up to an altitude of 2000 m. ; rare. 

 Montana : Highwood Canon, 1889, R. S. Williams, 83^. 



Pyrola picta Smith, Rees' Cycl. [Syn. Fl. 2' : 48 ; Man. R. M. 231 ; 



Bot. Cal. I : 460]. 



Open woods, up to an altitude of 2500 m. 



Montana: Middle Creek, 1886, Tweedy, iiyi; Neihart, 1888, 

 R. S. Williams, 'J63. 



Yellowstone Park: Sulphur Hills, 1885, T-weedy, ^14 and 

 giS; 1873, C. C. Parry, ig8. 



