MACLOSKIE I SAXIFRAGACE,E. 459 



3. SAXIFRAGA BICUSPIDATA PAVONII (Don). 



Cespitose. Stem 3-5-flowered. Lower leaves deltoid-cuneate, trifid. 

 S. Patagon.; Mts. near Lago Argentine. 



4. S. C^ESPITOSA Linn. 



Radical leaves crowded, trifid ; cauline distant, undivided, linear. Stem 

 i -flowered. Ovary inferior, viscid. Pubescence short, glandular. Calyx- 

 lobes obtuse ; petals obovate, elongate. 



(Arctic and alpine Eurasia and N. Amer.) 



S. OESPITOSA BRACHYPHYLLA Wedd. 



Scapeless. Leaves smaller than in the type, all shortly trifid, the limb 

 densely villous. Inflorescence i-3-flowered, subsessile amid the upper- 

 most leaves of the caudex. 



Patagon. 



S. OESPITOSA MAGELLANICA (Poir) Wedd. (S. cordillerarum magel- 



lanica Poir.) 



Stems cespitose, procumbent. Leaves spatulate, rarely 3-lobed at their 

 apex. Flowering branches short, axillary, naked, i -flowered. Calyx 

 glabrous, its lobes linear-obtuse to obovate, much shorter than the petals. 

 Root perennial. 



Patagon., Chubut ; Magellan (Hatcher, Speg.); Fuegia, passim 

 (Dusen). 



4. S." CORDILLERARUM Presl. (S. exarata Hook, f.) 



Cespitose ; somewhat pilose-viscid. Upper leaves often entire ; lower 

 cuneately 3-cleft, thick-nerved. Calyx-lobes ovate-oblong, shorter than 

 the tube. Petals ovate, nervous, white, exceeding the calyx. Stigmas 

 large, subspatulate-. 



(Eur., Alps; Peru.) Magellan (R. O. Cunningham); S. Patagon., in 

 Cordilleras (Hatcher) ; Fuegia, on mts. 



S. CORDILLERARUM BREVISCAPA (Hook. f.). 



Densely cespitose. TheyfoTt^rs subsessile. 

 Magellan. Fuegia, to nearly 2,000 m. 



