529 



somewliat twin, sessile, ovate-oblong, acute : involucre 1-leaved, 

 continuing the culm, very long : scales soinewliat keeled and con- 

 vex, acutely acuminate, pale brownish, greenish at the apex : style 

 2-cleft: achenium roundish-obovate, mucronate, flat and convex: 

 bristles four, retrorsely spinous. 



Silhet. 



(3) S. MTJCKONATTrs. (Lmn.) 



Ident. Litm. spec. I. 73. — Vahl. — K. Br. prod. — Kunth 1. o. 

 p. 161. 



Syn. S. glomeratus. Scop. Ca/rn. 63. — S. triangulatus, Boxb. — 

 Wight Contrib. p. 111. 



Engrm. Host. Gram. iv. t. 68. 



Spec. Chae. Culm triquetrous, sheathed, leafless : spikes many, 

 capitately conglomerate, sessile, ovate-oblong : involucre 1-leaved, 

 continuous with the isulm, keeled and triquetrous, much spreading 

 and reflexed : scales acute or mucronate, keeled and convex : style 

 3-cleft : achenium obovate-roundish, internally flat, outwardly con- 

 vex and angled, mucronate, obsoletely transversely undulated and 

 wrinkled, sMniag : bristles 6, retrorsely spinous. 



Chittagong. Silhet. 



(4) S. suBULAiirs. f Vahl. J 

 Ident. Vahl. Enum. II. 268.— Dalz. Bomb. flor. p. 288. 



Syn. S. pectinatus, Roxh. — ^Malaeochsete pectinata, Wight Con- 

 trib. p. 110. 



Spec. Chae. Culm round, . 3-cornered at the apex, sheathed, 

 leafless : umbel irregularly compound : involucre 1-leaved, 3-cor- 

 nered, subulate, as long as the umbel : spikes solitary, ovate-oblong, 

 obtuse. 



Peninsula, in sandy localities. 



(5) S. Ktsooe. fRoxb.J 



Eoxb. flor. Ind. I. 235.— Dalz. 1. c. 



Syn. Ehyncospora Kysoor, Biete. spec. II. 74. 



Spec. Chae. Culms 5 — 6-feet, triangular, hispid : umbel supra- 

 decompound : spikes ovate : seed oblong, triangular : bristles 5, 

 villous. 



Bengal. 'Westem Coast. 



34 



