MACLOSKIE : CYPERACEyE. 28 1 



13. C. DIVISA Huds. 



Styles bifid. Rhizome thick, creeping. Culm erect, obtusely triquet- 

 rous, rough upwards, 30 cm. high and more. Leaves narrow, of varying 

 length, rough on edges and keel. Spikes crowded irregularly in an 

 ovate head, androgynous, males at apex ; an erect leafy bract at the base 

 of the head, usually long, and acutely triquetrous. Fruits roundish-ovate, 

 convex on one side, subconcave on the other. Beak acutely bifid with 

 finely serrate edges. Scales ovate-elliptical, mucronate, fuscous, exceed- 

 ing the utricle. 



(Europe); Patagonia. 



14. C. FESTIVA Dewey. (C. inciso-dentata Steud.) 



Style 2-cleft. Panicle spike-like, of several androgynous, basi-mascu- 

 line spikes, in an ovate-orbiculate head. Utricle ovate, acuminate, ros- 

 trate, bifid, obliquely cleft, as long as the lanceolate acute scale. 



(N. of Eurasia and of N. Am.); Patagonia; Magellan, in damp woods; 

 Fuegia. 



15. C. FILIFORMIS Linn. (C aematorhyncha Desv.) 



Stigmas 3. Culm slender, 60-90 cm. tall, triquetrous, scabrid above. 

 Leaves narrow, with scabrid margins. Bracts leafy, sheathless, exceeding 

 the culm. Spikes 5-6, erect, the males 2-3 above, approximate, the 

 females 3, distant, dense, cylindric, the lowest short-peduncled. Scales 

 ovate-acuminate, subulate-awned, sanguineous, i -nerved, with the keel 

 green.- Utricle ovate, 4 mm. long, obsoletely nervose, rufescent, hispid, 

 attenuate to a short obliquely truncate, ciliolate rostrum. 



(Chili) ; S. Patagon., by Rio Sta. Cruz and Gregory Bay ; and Carren- 

 leofu ; Fuegia. 



(C. fuscula d'Urv. = C. indecora Kth.) 



1 6. C. FUEGIANA Phil. 



Styles 2-cleft. Culm 50-60 cm. high, slender, sometimes scabrid at 

 top. Leaves half as high, strict, narrow, rough on edge and midrib. 

 Spikes 3, short, contiguous, male at base and sometimes at apex, upper 

 one larger, lower pedicelled and bracted ; its bract subulate, scarcely 

 half as long as the spike. Male scales dark-purple, the nerve white ; 

 female scales smaller, narrower than the utricle. Utricle compressed, its 



