MACLOSKIE : RANUNCULACE^E. 413 



silky leaves. Sepals 5-6. Petals 10-12, with basal scale, showy. Achenes 

 numerous, in heads, with short, hooked styles. 

 Species 6, all Neantarctic. 



KEY TO THE SPECIES. 



A. Leaf solitary, tripinnate, and flower solitary. delpJtinium. 

 Az. Leaves rounded. 



b. Leaves 5-7-cleft, webby. kingii. 



b2. Leaves tripartite, or also further divided. magellanica. 

 A$. Leaves subovate or narrower. 



b. Leaves deeply trifid, and again cleft, silvery. argentea. 



bz. Leaves oblong or subtrifid, webby. tomentosa. 

 A^. Leaves imbricate, appressed, from a broad base, forming a column around the scape and 



solitary flower. Scions. sempervivaides. 



i. HAMAD RY AS ARGENTEA Hook. f. 



Leaves silvery-woolly, obovate-cuneate, attenuate at the base, deeply 

 trifid, the lobes also 3-5-cleft. Male plant smaller than the female. 

 Falklands ; Magellan. 



2. H. DELPHINIUM. 



Having one leaf 'and one flower ; leaf oblong-tripinnate, tomentose, 10 

 cm. high. Sepals 5, villous. Petals 12, narrower. 

 Magellan. 



3. H. KINGII Hook. f. 



Leaves rounded, s-y-cleft, or many-lobed, the lobes crenate ; cobwebby 

 on both sides. 



S. Patagon. ; Magellan. 



4- H. MAGELLANICA Lam. 



Leaves silky, at length glabrous, rounded, tripartite ; the segments 

 cuneate, incise-partite or subentire. Flowers spicate. Calyx-segments 

 concave, glabrous or villous-tipped. Petals linear, mucronate. Style of 

 young achenes hooked, at length straight. 



Magellan, Fuegia; Staaten. S. Patagon., near Rio Gallegos at 900 m. 

 elevation (Nordenskj.). Cordilleras above Rio Chico (Hatcher). 



A variety has the leaves silvery-woolly. 



