MACLOSKIE I REVISION OF FLORA PATAGONICA. 79 



scabrous above, leafy below. Leaves shorter than culm, 2-3 mm. broad, 

 plane, subrigid, lower sheaths leafless, brown. Spikelets 4-6, ovate, 

 gynaekandrous, dense flowered, crowded in a triangular-ovate bractless 

 head, 15 mm. long. Scales ovate or obtuse, broad, hyaline at margins, or 

 subacute, and partly rufous-margined. Utricles exceeding the scales, 

 ovate concave-convex, 4 mm. long, becoming brown, glabrous, many- 

 nerved, contracted at the base, winged, and erose-toothed with rather long 

 rostrum, 2-toothed at top and hyaline. Nut small, oval, short-stipitate. 

 Style-base equal. Stigmas 2. Van pseudoleporina Kiik. in Chili, and 

 Patagonia. 



Falkland Is.; Fuegia; Magellan; Patagonia, Leone Range, Gregory 

 Bay, by Rio Sta. Cruz and in the Chubut Territory by Rio Chico ; Argen- 

 tina, Chili, the Andine region of Bolivia and Ecuador; Greenland, the 

 Arctic region of Europe and the Sandwich Ids. (Ovales, No. 26.) 



Add p. 284 : 



C. MACRORRHIZA Boeck. (sect. 24, Divisae). 



Rhizome creeping, woody. Culm 15-30 cm., rigid, triquetrous, scabrous 

 above. Leaves shorter, 3 mm. broad. Spikelets numerous, androgynous, 

 in an oblong 3 cm. spike, bractless. Scales ovate, acute, yellowish, 

 margins hyaline. Utricles rather longer, ovate, plane-convex, scabrous 

 save on rostrum, short-stiped, 2-toothed. Stigmas 2. Nuts brown, oval. 



N. Argentina, Patagon., San Carlos de Bariloche, by Lago Nahuel- 

 huapi. 



C. MACRORRHIZA Boeck. var. SIMPLEX Kiikenth. 



Culm smooth ; spikelets not glomerate, but crowded into a dense ovate, 

 simple spike. Utricles more distinctly stipitate, less spongy at base, with 

 larger rostrum having smooth margins. 



Argentina, Patagonia, San Carlos de Bariloche, N. by Lago Nahuel- 

 huapi; Argentina; S. Patagonia by Rio Sta. Cruz. (Divisae, No. 24.) 



Add Macl., p. 284: 



C. MACROSOLEN Steud., Kiikenth. (sect. Lupulinae). 



Stoloniferous. Culm 5 cm., triquetrous, smooth, sulcate, with fuscous 

 dry sheaths. Leaves equalling the culm, plicate, the keel prolonged to a 

 stiff point. Spikelets 3-4 ; i terminal male, i cm. ; 2-3 lateral females, 

 longer and few-flowered ; subradical, long-stalked, erect. Bracts leafy. 



