164 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN. 



Montana: Spanish Peaks, July 14, 1896, Flodman, 4yi ; Old 

 Hollowtop, Pony Mts., July 7 and 9, Rydberg & Bcsscy, 411 4; 

 Grizzly Creek, 1887, Tzt'ccdy, ig2a. 



Yellowstone Park: Soda Butte Creek, 1885, Tzcecdy, gog. 



* Ranunculus saxicola. 



Stems about i dm. long, decumbent or ascending, glabrous. 

 Basal leaves several, with petioles about 5 cm. long, ciliate ; blade 

 rounded or reniform-flabellate, somewhat hairy when 3'oung, pe- 

 dately 3-cleft, the middle lobe narrow, entire or sometimes slightly 

 3-toothed, the lateral lobes very oblique, on the outside coarsely 

 3-4-toothed, stem leaves 1-3, subsessile, pedately 3-7-cleft into 

 linear lobes ; peduncle rather long for the size of the plant ; flower 

 1-2 cm. in diameter ; sepals tinged with brown, about half as long as 

 the petals, very broad, obovate, obtuse, slightly villous-hairy ; petals 

 broadly obovate; head of achenes oblong, 5-10 mm. long; achenes 

 more or less pubescent, tipped with a straight style, of nearly the 

 same length. 



Nearest related to R. Sitksdorffi^ from which it differs in the 

 oblong head, the pubescent achenes, and a slight difference in the 

 form of the leaves. , 



It grows among rocks, at an altitude of 3000 m. 



Montana: Cedar Mountain, July 16, 1897, Rydberg & Bcssey, 

 41 12 and 4113 ; Mill Creek, 1887, Tzcccdy, ig2. 



Yellowstone Park: Electric Peak, August 18, 1897, Rydberg 

 ci- Bessey, 4111 ; 1885, Tzceedy, gog ; Mt. Holmes, 1884, jo/. 



Ranunculus alpeophilus A. Nelson, Bull. Torr. Bot. Club, 26: 350; 



Ranunculus Eschscholtzii Gray, Syn. Fl. i' : 31 in part, not Schl. ; 



Ranunculus nivalis Eschscholtzii Wats. Bot. King's Exp. 5 : 8 



[Man. R. M. 7]. 



It differs from R. Eschscholtzii in being nearly glabrous, in its 

 broader and less divided basal leaves and in the long (3-5 cm.) slen- 

 der lobes of the upper leaves. Rare in this region, growing at an 

 altitude of nearly 3000 m. 



Montana: McDonald's Peak, 1883, Canby, g; Grizzly Creek, 

 1887, Tzueedy, igi. 



Yellowstone Park: Swan Lake, 1885, Tzveedy, goj. 



Ranunculus pedatifidus J. E. Smith, Rees' Cyclop, no. 72 [111. Fl. 

 2: 77] ; R. affinis R. Br. Parry's ist Voy. App. 265 [Syn. Fl. 

 i' : 31 ; Man. R. M. 8, in part]. 



