224 TRJAWDKIA MONOGYNIA. ScirpuS^ 



large, v/ilh a large keel and sharp point. — Style enlarged at the base. 

 Stigma three-cleft. — Seed three-sided, very scabrous, [-earl-coloured. 



Q.5. S. tristachf/os. Vahl. Eniim. ii. 254. 



Culms from six to eight inches lon^;, slender, curved, gtriated» 

 Leaves shorter than the culms. Spikes from two to four, oblong. In- 

 volucre lu'o-leaved, one longer than the spikes, apparently a cunti- 

 nuationof the culms. Style two-cleft, villous. Seed obcordate. 



A native of Bengal, appears during the cool season in low -moisfc 

 places. 



Root fibrous, brown. —CwZ/ns numerous, in tufts, slender, vari* 

 ously bent, though nearly erect, slender, grooved, particularly deep 

 on the opposite sides, fioin six to eight inches high. — Leaves few, 

 subulate, hard, half the length of the culms. — Spikes generally three, 

 varying however from one to five, sometimes short-peduncled, ob- 

 long. — Involucre^ two-leaved ; one erect, longer than the spikes, 

 seems a continuation of the culm. — Scales oval, somewhat mu-* 

 cronate. — Germ cordate. Style villous. Stigma two-cleft. 



Obs. It differs from Rottboell's plant in having the scales mucro- 

 nate, and the stigma two-cleft ; yet I think they must be the same. 



27. S. squarrosits. Linn. Sp. Pl.ed. Willd. i. 308. Rottb. gram, 

 49. t. 17./. 5. 



Culms from three to six inches long. Spikes three ; involucre 



two-leaved. Scales ending in a long recurved hairy horn. Seeds an- 

 gular. 



Motta-puUu. Rheed. mal. 12. p. 72. t. 38. 



£eng. Gooii. 



A small delicate species, growing in distinct tufts on dry sandy 

 pasture ground. 



Root fibrous. — Culms numerous, bent in various directions, from 

 three to six inches long, four-fifths naked, round, smooth, filiform. 

 — Leaves a few only, sheathing, shorter considerably than the culm. 

 — Spikes terminal, generally three, sessile, o\&\.^Involucre two- 



