222 TRIAKDRIA MONOGYNIAo BcifpUS. 



Root fibrous, purple-coloured. — Culms erect, from six totwelve 

 inches high, round, smooth, three-fourths or more naked —Learns 

 sheathing, nearly as long as the culm, filiform — Spikes terminal, 

 single, naked, oval ; floorers few. — Scales sub-orbiculsr. — Shjle broad, 

 with downy margins. Stigma two-cleft. — Seed obcoidute, com- 

 pressed, smooth, light brown. 



22. S. strobilinus. R. 



Culms two feet high, three-sided, base leafy. Leaves triangular. 

 Spike lateral, solitary. Scales cordate, cuspidate. Stigmas two- 

 cleft. Seed roundish, beset with bristles. 



A native of the soft, wet banks of the Ganges. Flowering time 

 the cool season. 



Root stoloniferous, with pale-coloured fibres. — Culms simple, 

 straight, about two feet higli, three-sided. — Leaves two or three, 

 of different sizes, embracing the base of eaclj culm, the longest near- 

 ly the leng h of the culm, keeled and deeply channelled, smooth. 

 — Spike solitary, lateral, one-third part of the culm below its apex, 

 ovate-oblong, about one inch in length, hivolucre one-leaved, besides 

 the continuation of the culfn, length of the spikes. — Scales cordate, 

 cuspidate, smooth. — Stamina three, with about double the number 

 of bristles between them. — Anthers linear, when old spiral.— Gerwj 

 obovate. Stigma two-cleft. — Seed flat, particularly on the inside, 

 roundish, obcordate, crowned with a minute portion of the remain- 

 ing style, and embraced by about si.\ slender, soft, permanent bris- 

 tles which are about the same length. 



23. S. scaber. R. 



Culms erect, from four to eigh.t inches high, angular. Spikes ter- 

 minal. Scales oUoug, diandrous. iS^/g/"fl bifid. Segc? obcordate, 

 scabrous. 



Compare with S. poli/trichoides. Rett. Ohs. iv. p. 11. 



A native of dry, sandy pasture ground on the coast of Coroman- 

 del. 



