220 TRIANDRIA JMONOGYNIAo 



tound growing in tufls^ in wet places, in the vicinity of Calcutta, 

 during the cool season. 



Root of brown capillary fibres.— Cj^^^tjs numerous, about a foot 

 high, curved, three-cornered, angles rounded, above the spikes in- 

 curved, anddeeply channelled. — Leares rarely any other than a few 

 short sheaths, investing the base of the culms, and they generally 

 end in an ensiform point, when present solitary and like the culm 

 above the spikes. — Spikes many, peduncled and sessile, considera- 

 bly under the apex, oblong. — Scales ovate, mucronate, with brown 

 chaffy margins. — Seed three-sided, black, transversely rugose. 



16. S. globulosus. Linn. Sp. PL ed. Willd. i. 301. 



Culms from one to two feet high, nearly culamnar. Umbel com- 

 pound ; involucre shorter than the umbel. Seed long, obovate, smooth. 



Tefing. Billapa. 



A native of wet sandy places. 



Boot fibrous.— Culms erect, from one to two feet high, as thick as 

 a crow quill, a little compressed, smooth, except near the base which 

 is involved in, from three to five, large, pointed sheaths. — Umbel ttv- 

 nunul, small, compound. Spikes oval. — Involucre two-leaved, un- 

 equal, erect, shorter than the umbel. — Filaments three, broad, and 

 membranaceous. — Sti/le broad, margins fringed. Stigma two-cleft. 

 — Seed obcordate, compressed, smooth, light brown. 



]?. S. pectinatus. H. 



Culms from three to four feet high, culumnar, Pamc/e lateral, just 

 belovvthestraightsubulateapexof the culm. Scales daggered. Slig- 

 ma two-cleft. Seed roundish, beset with four pinnate bristles. 



Grows chiefly in marshy places, where the soil is sandy. 



Hoot fibrous. — Culms erect, from three to four feet high, as thick 

 as a quill, naked, round, smooth. — Leaves no other than a sheath 

 or two round the base of each culm. — Umbel lateral, about its 

 own length below the apex of the culm, compound, rarely decom- 

 pound, bowing. — Spikes oblong. — Involucre no other than the ter- 



