484 MINNESOTA BOTANICAL STUDIES. 
radical leaves broader, less divided; upper leaves with lobes 
1-2 inches long: sepals nearly glabrous: akenes broadly oval 
or obovate. Mountains of Wyoming, Idaho, Colorado. 
46. R. saxicola Ryps., Mem. N. Y. Bot. Gard. 1: 164. Ig00. 
Allied to ?e. Suksdorfiz; differs slightly in the form of the 
lower leaves, which are often more reniform-flabellate: akenes 
pubescent: head of fruit oblong. Cedar mountain and Mill 
Creek, Montana, Yellowstone Park. 
47. R. Suksdorfii Gray, Proc. Am. Acad. 21: 371. 1886. 
Roots fibrous: stems slender, 3 to 6 inches high, glabrous: 
radical and lowest stem leaves small, about 6 to 8 lines long, 
subreniform to broadly flabelliform with truncate base, deeply 
3-5-cleft or parted; divisons cuneate, again 3-5-cleft or in- 
cised; upper stem leaves with linear divisions: flowers I to 3, 
deep yellow; petals round obovate, retuse, 4 to 6 lines long: 
akenes turgid-lenticular, sharp-edged, glabrous ; style persistent 
for a time, slender, 34 line long, equalling the akene body: 
head of fruit globular. July to Aug. Damp places, 6,000 to 
8,000 feet alt. Olympic mountains, Mt. Rainier, Mt. Adams 
east to the Blue mountains, Oregon and into Montana. Cul- 
tivated. 
46. R: ovalis Rar. Proc. Dec. 36. 1814. 
FP. rhomboideus GouviE, Edin. Phil. Journ. 6: 329. ¢. 77. 
et.” TO22; 
Teworevicuuis tooK. Fl; ins 13.°7.°7.. - 1820. 
FP. auricomus var. Cassubicus E. MEYER Pl. Labr. 96. 
1830. 
Pubescent, 3 to 15 inches high: radical and lower leaves 
roundish to ovate-oblong, crenate, or slightly lobed, base trun- 
cate or cuneate, petioled, 3-7-divided, lobes linear or oblong: 
petals yellow, narrow, 3 to 6 lines long; sepals much shorter: 
akenes oval, minutely beaked: head of fruit globose. Wis- 
consin and northern Illinois, north to Labrador and the North- 
west Territory. 
49. R. Arizonicus Lemmon ex Gray, Proc. Am. Acad. 21: 
370. 1886. 
LP. afinis TorR. Bot. Mex. Bound. 29. 1858. (In part.) 
Roots fascicled, somewhat thickened: plant glabrous or with 
soft-villous hairs below, 6 to 12 inches high: radical leaves 
