513 



Spec. Chab. Culm triangular, glabrous : umbel compound, 

 many-rayed : rays brachiately branched at the top, branches alter- 

 nate, 2 — 14-spiked : involucre 3-leaved, leaflets nearly equal, flat, 

 scabrous at the margin, the length of the umbel : spikes spioately 

 fascicled, linear, compressed, 16 — 18-flowered: scales ovate-oblong, 

 obtuse,| obsoletely 5-nerved, keeled and boat-shaped, muticous : 

 achenium oblong, triangular, a haK shorter than the scale : -wings 

 of the rhacheola chestnut, slo:wly loosening. 



Peninsula. 



(34) C. TENTJIFLORTJS. (Rottl.J 



Idmt. Eottb. Gram. 30.— Vahl. Enum. II. 347.— "Wight Contrib. 

 p. 82. 



Syn. C. incnrvatus, Roxh. — C. torosus, Vahl. — C. strigosus, 

 Boxb. 



Engrwo. Eottb. 1. c. t. 14, flg. 1. 



Spec. Chae. Eoot creeping : culm triquetrous, leafy below, 

 glabrous : leaves shorter than the culm, flat, 5-nerved : umbel 

 compound, corymbiform, somewhat 7-rayed, rays brachiately 

 branched : involucre 4-leaved, exceeding the umbel : spikes 2-:— 8, 

 spicately fascicled, narrow -linear, compressed, 16 — 24-flowered : 

 scales ovate-obtuse, keeled and navicular, muticous : achenium 

 oval, 3-comered, smooth : rhacheola winged. 



Peninsula. Deccan. 



(35) C. EOTuiTDTJs. fLinn.J 



Ident. Linn. syst. 98.— Hor. Zeyl. 36. —Vahl. Enum. II. 343. 

 — Koxb. flor. Ind. I. 197. 



Syn. C. hexastachyos, Rotth. Wight Contrib. p. 81. — C. Hydra, 

 Vahl. — 0. tetrastachyos, Vahl. — C. bicolor, Vahl. — C. litoralis, Sieh. 

 Agrost. 109. — C. bulbosus, Vahl. Wight Contrib. p. 80. — C. Jeme- 

 nicus, Willd. — C. procerus {va/r. Benghalensis), Roxb. 



Engran. Eottb. 1. c. t. 14, fig. 2. 



Spec. Chae. Eoot fibrous, here and there throwing out a tuber: 

 cnlm triangular, glabrous, leafy below, bulbously thickened at the 

 base : leaves commonly shorter than the culm, flat, scabrous at the 

 margin: umbel 3 — 8-rayed, rays either simple and 3 — 10-spiked at 

 the apex or 3-cleffc at the apex and many-spiked ;- involucre 2 — 3- 

 leaved, exceeding the umbel : spikes spicately fascicled, linear, com- 

 pressed, 10 — 50-flowered : scales ovate, muticous or shortly mucro- 

 nate, keeled and boat-shaped, 7-nerved and green at the back : style 

 deeply 3-cleft : achenium obovate, triquetrous, dotted : rhacheola 

 glassy wiuged. 



Peninsula. 



• 33 



