MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. I93 



Saxifraga debilis Engelm. ; Gray, Proc. Am. Acad. 1863: 62 [Man. 



R. M. 92]. 



On alpine peaks, in wet places among rocks, at an altitude of 

 about 3000 m, 



Montana: Old Hollowtop, Pony, July 9, 1897, Rydbcrg- ct- Bes- 

 sey, 4277; ]\.\\y 7, 4276. 



Yellowstone Park: 1873, C. C. Parry, loi. 

 Saxifraga punctata L. Sp. PI. 401 [Man. R. M. 92 ; Bot. Cal. i : 



195]- _ 



In springy places, at an altitude of 2000-3000 m. 



Montana: Basin, 1892, F. D. Kclscy ; Spanish Basin, 1896, 

 jFlodman, 575 and jiy; Sweet Grass Canon, ji6; Gallatin Co., 

 1886, Tzvecdy, 11 58; Lewis & Clarke Co., Mrs. Math; Belt Mts., 

 1886, F. W. Anderson, ij6; Electric Peak, Aug. 18, 1897, Rydberg 

 & JBcsscy, 42S4; Emigrant Gulch, Aug. 23, 428 j ; Jack Creek, July 

 15, 4286; Spanish Basin, June 28, 4287 ; Deep Creek, 1883, Scrib- 

 11 cr, jo. 



Yellowstone Park: Mammoth Hot Springs, 1893, F. H. 

 JBtirglchatis ; 1885, Tzvccdy, 8jg. 



* Saxifraga reflexa Hook. Fl. Bor. Am. i : 249. 



In foliage resembling S. nivalis, but with an open panicle, re- 

 flexed sepals and orange-spotted petals. In meadows, at an altitude 

 of 2000-3000 m. 



AIoNTANA : Belt Canon, 1887, R. S. Williams, yoo; Spanish 

 Basin, June 28, i^<)^ , Rydberg & Bcssey, 4271 ; McDonald's Peak, 

 1883, Ca.nby, iii ; Bozeman Pass, 1883, Scribner, jia. 



* Saxifraga Lyallii Engler, Verb. Zool.-Bot. Ges. Wien, 19: 542 



[Index Crit. Saxifr. 30]. 



Characterized by its broad basal leaves, which are broadly obovate 

 or almost orbicular wuth a more or less cuneate base and coarsely 

 dentate above the middle, a few-flowered open inflorescence, white 

 petals and club-shaped anthers. 



Montana: McDonald's Peak and Upper Marias Pass, 1883, 

 Canby. 



* Saxifraga Nutkana Moc. ; Ser. in DC. Prod. 4 : 40 ; Engler, Mon. 



135 (in both as a synonym) ; S. stellaris Britnoniana Bong. Veg. 

 Sitcha 140. 



As to the validity of this species and its nomenclature see Dr. 

 Small's discussion in Bull. Torr. Bot. Club, 23: 368. 

 Montana: Lake Terry, 1892, R. S. Williams, 878. 



