MACLOSKIE I CYPERACE^E. 279 



trate, its mouth oblique, bifid ; shorterand broader than the dark, spatulate, 

 emarginate, awned scale. (Fig. 49.) 



S. Patagon., near Carren-leofu ; Magellan ; Fuegia. 



6. C. BONARIENSIS Desf. 



Style 2-branched. Cti/ms cespitose. Leaves linear, subcarinate, rough- 

 edged near their apex, nearly equalling the culm. Spikes androgynous, 

 male at top, crowded into a spicate thyrse, 20 mm. long, with 1-2 

 involucrate leaves. Bracts within the thyrse smaller. Utricle spreading, 

 broad-ovate, convex-concave, ending in a 2-toothed rostrum. 



(Argentina) ; Falklands. 



t 



7- C. BRACTEOSA KuntZ. 



Style 2-branched. Culm 12-30 cm. high, trigonal, glabrous. Leaves 

 as long, plane. Panicle spike-like, ovate, obtuse, dense, involucrate by 2 

 leafly bracts. Spikes short, androgynous, male at apex. Utricle 5mm. 

 long, ovate, attenuate both ways, internally 4-, externally 5-nerved, 

 spongy at base ; rostrum smooth, rather long, 2-toothed. 



(Paraguay) ; Chiloe ; Patagonia. 



8. C. CAMPYLOXYS Steud. 



Style 2-cleft. Rhizome woody. Culm 35 cm. high, firm, smooth, leafy ; 

 leaves as long, upper ones bracteate. Spikes 4, i terminal, male, linear ; 

 3 female, oblong-linear, subsessile. Scales oblong-linear, acuminate. 



Magellan. 



9. C. CANESCENS Linn. 



Style bifid. Root fibrous, cespitose or stoloniferous. Culm 30 cm. 

 high, erect, trigonal, rough. Leaves plane, linear, 2 mm. broad, rough- 

 edged, acuminate, equalling the culm. Spikes about 6, androgynous, 

 male at base. Utricle ovate, plano-convex, exceeding the broad ovate 

 acute scales. (See C. similis.} 



(Temperate Eurasia and N. Amer.) ; S. Patagon., by Rio Sta. Cruz, 

 and Gregory Bay. 



C. CANESCENS ALPICOLA Wahlenb. 



Usually smaller and slender. Spikes smaller, acutish, in fruit subro- 

 tund and fuscescent. 



(Eur. ; Greenland; Alaska); Magellan; Fuegia; Falklands. 



