SchpUS. TRTANDRIA MONOGYNIA. 217 



14. S. triangulatns. R. 



Culms in tufts, erect, two feet high, naked, acutely three- 

 angled. Spikes from eight to twelve, sessile just under the 

 straight three-winged apex. Germ embraced by six long, 

 slender bristles, besides the three-broad filaments* 



Native of Chittagong, where like most of the order, it de- 

 lights in low wet ground. 



15. S. supinus. Vahl. enum. sp. ii. 257. 



Culms in tufts, curved, three-cornered, generally naked. 

 Spikes several, under the grooved apex, sessile and pedun- 

 cled. Involucre one-leaved, besides the apex of the culm. 

 'Seed three-sided, transversely rugose on the back, black. 



S. lateralis. Linn, sp.pl.ed. Willd. i.302. Relz.Obs. iv. 12. 



Found growing in tufts, in wet places, in the vicinity of 

 Calcutta, during the cool season. 



Root of brown capillary fibres. Culms numerous, about 

 a foot high, curved, three-cornered, angles rounded, above 

 the spikes incurved, and deeply channelled. Leaves 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, peduneled and sessile, considerably under the apex, 

 oblong. Scales ovate, uuicronate, with brown chaffy margins. 

 Seed three-sided, black, transversely rugose. 



16. S. globulosus. Linn. sp. pi. ed. Willd. i. 301 . 



Culms from one to two feet high, nearly columnar. Umbel 

 compound; involucre shorter than the umbel. Seed long, ob- 

 ovate, smooth. 



Teling. Billapa. 



A native of wet sandy places. 



Root 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, point- 

 ed sheaths. Umbel terminal, small, compound. Spikes oval. 



