MACLOSKIE: REVISION OF FLORA PATAGONICA. 277 



Abundantly found on grassy ground in the valley of Arroyo Pelque 

 (S. Patagonia, Territory of Sta. Cruz). 



P. 856 : 



S. POLPHYLLUS Kze. 



Though I have not examined the specimens collected by Hatcher, it 

 seems to me questionable whether this species occurs in South Patagon. 

 Probably the determination is faulty. D. 



P. 857 : 



S. SERICEO-NITENS Speg. 



Syn. S. patagonicits Phil., S. argentatus Spence-Moore, S. Morenonis Ok. 

 Mid and South Patagonia, especially in its western parts, where it is 

 rather common; also in the mountains up to about 1,000 m. D. 



S. SETULOSUS Phil. 

 Is regarded by Dr. Reiche as a synonym of ^. tristis Phil. 



S. SIMPSONI Phil. 



Hairy herb, 20 cm. Stems simple, with adventitious roots. Leaves 

 crowded, semi-clasping, narrow, linear, mucronate, 25 by 15 mm. Stem 

 with 3 shortly-peduncled heads, in axils of leaves. Involucre of 30 

 scales, reddish-green, 7 mm. Achenes hairy. 



W. Patagonia. 



S. TRISTIS Phil. 



Decumbent shrub, with discoid head, densely glandular hirsute branches, 

 naked at top; leaves crowded below, linear, obtuse, narrowed at base, 

 entire or with few coarse teeth on both sides. Bracts 2 or 3, subulate at 

 base of heads ; scales 1 2 nearly, long acuminate, with black point at tip, 

 and with pencil of white hairs. Achenes glabrous, ribbed. 



Low mountains at Lake Aculco. 



S. TUNIC ATUS Ok. 

 To be deleted, being Ctilcitium magellanicum H. & J. Macl., p. 833. D. 



S. VAGIN/EFOLIUS Sch. Bip. 



Is also Culcitium magellanicum H. & J. D. 

 Rather large radiate heads. On Rio Chico. 



