MACLOSKIE: RANUNCULACE^E. 411 



distinguished by the subpeltate leaves (as R. potamogetonoides Speg. and 

 R. bonariensis Poir.) 



19. RANUNCULUS PATAGONICUS Smith. 



Appressed-pilose. Stem erect, simple, i -flowered, naked ; or 2-flow- 

 ered and then involucrate. Leaves radical, 3-lobed, their segments cune- 

 ate, 3-cleft, incised. Involucre i -leaved, 3-cl eft. Petals 1012, exceeding 

 the spreading sepals. Achenes glabrous. Style hooked. 



Chili. Patagonia (?). 



20. R. PEDUNCULARIS Smith. 



Leaves subglabrous, radical, long-petiolate, 3-partite ; their segments 

 3-lobate, apically acute and incised, the subsegments narrow. Cauline 

 leaves 1-2, linear or trifid. Stem erect, bearing i leaf and 12 flowers. 

 Sepals ultimately reflexed. Petals 8-10, oblong, clear yellow. Achenes 

 globose, smooth ; styles hooked. 



(Chili, on the Pacific slope) ; Cabo Negro, Magellan, by Hatcher at 

 Punta Arenas, E. and S. Fuegia (Dusen), "stems with sparse appressed 

 pilescence" ; .Chubut, near Rio de Mayo. 



R. PEDUNCULARIS ALBOFFIANUS Speg. 



Tall specimens with bracted 2-3-flowered scapes, mostly appressed- 

 setulose. 



S. Patagon. in grassy places at Orr-aike, near Lago Viedma. 



R. PEDUNCULARIS MINOR Wcddell. Appressed-pilose, 5 cm. high. Pe- 

 duncle basal, i -flowered. Punta Arenas. (Hahn.) 



R. PEDUNCULARIS PATAGONICUS Poepp. (R. patagonicus Poepp. non Smith.) 



Stem erect, appressed-pilose, simple, naked, i -flowered, or involucrate 

 and 2-flowered. Leaves radical, 3-lobed ; their segments cuneate, trifid, 

 incised. Involucre i-leaved, trifid. Petals 10-12, exceeding the spread- 

 ing sepals. Carpels glabrous. Styles uncinate. 



(Chili); Magellan. (Dusen.) 



R. PEDUNCULARIS POLYPETALUS. 



Lower, i -flowered. Leaves nearly pinnate ; scape i -leaved. 



