MACLOSKIE I REVISION OF FLORA PATAGONICA. 67 



Delete S. maritimus L. Mac!., p. 262. 



Macloskie states that this species occurs in S. Patagonia; but this, 

 certainly, is not the case. The specimens collected by Hatcher at Rio 

 Chico and referred by Macloskie to the present species belong to Scirpus 

 riparius Presl. D. 



S. RIPARIUS Presl. Macl., p. 263. 



Also in S. Fuegia, but very rare ; S. Patagonia, Lago Argentine, in that 

 lake and in freshwater lagoons, also in swamps, sometimes abundant ; in 

 Shewen rivulet nearly everywhere, abundant ; abounding in rivulets, fresh- 

 water lagoons and other stagnant waters in the vicinity of Lago San Martin ; 

 Rio Chico, by Hatcher. 



HELEOCHARIS R. Br. 



H. ALBIBRACTEATA NeCS. 



Syn. Scirpus albibracteatus (Nees et Meg.) OK. 



N. and E. Fuegia; S. Patagonia, in swamps and on the shores of 

 freshwater lagoons, rather common ; Falklands. 



Add Macl., p. 266 : 



H. MEGALOSTACHYS (d'Urv.) Kunth. 



With thick, woody rhizome, distinguished by the form of the spike. 

 Flowering culms terete, angulate and compressed, striate, smooth with 

 colored dots, outer sheath many-striate, inner few-nerved. Spike apical, 

 clavate, or oblong-lanceolate involucrate by large ovate lanceolate scales 

 which are obtuse, ruddy. Caryopsis compressed, obovate, equally 

 biconvex. 



Falkland Is.; Fuegia; S. Chili. 



H. STRIATULA Desv. - - Macl., p. 265. 

 Also in W. Patagonia, Rio Corcovado. 



CYPERACE^-CARICOIDEyE. SEDGES AND SEDGE-LIKE PLANTS. 

 Taking the term Sedges in its wide sense, as including the Uncinia or 

 Hooked-Sedges, and the Carices, or Hookless Sedges, Kukenthal 

 Pflanzreich IV, 20, 1909), compares them with the World of Grasses 

 noting that they differ from Grasses in having the culms not cylindrical, 



