MACLOSKIE : CYPERACE^E. 277 



(From 45.) Female spikes basilar, long-stalked, few-flowered. Utricle to 18 mm., sub- 

 ulate, long-rostrate. C. macrosolen St. 

 Female spikes many-flowered. Utricle shorter. 52. 



52. Utricle hirtellous. 53. 

 Utricle glabrous. 55. 



53. Utricle densely granulate, suberose. C. tweediana Nees. 

 Utricle not granulate. 54. 



54. Utricle red-tomentose. Rostrum short, slightly 2-toothed. (15) C. filiformis L. 

 Utricle olive-purplish, setulose. Rostrum long, 2-toothed. C. beechyana Bt. 



55. Utricle coriaceous, shortly and broadly rostrate; rostrum slightly 2-toothed. 56. 

 Utricle submembranaceously long-rostrate, and deeply 2-toothed. 59. 



56. Culm short. Leaves canaliculate. Bracts sheathing. C. pumila littorea Labill. 

 Culm long. Leaves plane. 57. 



57. Spike flexuose. Utricle compressed-trigonal, plumbeous, rusty-striolate. 



C. brasiliensis St. H. 

 Spikes erect. Utricle turgid-trigonal. 58. 



58. Scales lanceolate, awned. Utricle fusiform, olive-brown, sessile. (30) C. riparia chilensis ~Rmg. 

 Scales spatulate, bifid, very long-awned. Utricle pale, obovate-oblong, long-stalked. 



(39) C. trifida Cav. 



59. Utricle globose. Rostrum long, its teeth lanceolate. C. stenolepis Tor. 

 Utricle less inflated, costate-nervose ; its teeth more or less awned. 60. 



60. Spikes erect. Scales black-purple, cuspidate. Utricle stramineous. C. acutata Bt. 

 Spikes ultimately pendulous. Scales whitish-rusty, awned. Utricle pale green. 



(32) C. pseudocyperus platygluma Cl. and C. pseudocyperus hankeana Pr. 



i. C. ACAULIS d'Urv. 



-. 



Style 2-branched. Dwarf, 25 mm. high, with short rhizome. Ciilm 

 enclosed in the sheaths. Leaves numerous, rigid, spreading, narrow-acu- 

 minate, keeled and denticulate. Spikes 4-5 mm. long, crowded, dense- 

 flowered; male solitary, orbicular-ovate, lo-flowered ; females 4, orbicu- 

 lar, 8-flowered, short-pedunculate. Scales yellow-rusty, pale-margined, 

 oblong-acute, crowded. Utricles slightly larger, ovate-compressed ; ros- 

 trum 2-toothed. 



Falklands (the only specimen known). 



(C. cematorhyncha Desv. = C. filiformis L.) 



2. C. ANDERSONI Boott. 



Style 2-branched. Stout, 40 cm. high, the base covered by sheaths. 

 Spikes 7-9, black-purple, erect, the uppermost male, the others female, 

 oblong to cylindrical, above in twos or threes, sessile ; lower ones pedun- 



