508 



rays 3 — 6-spiked at the top, very unequal, one almost undeveloped : 

 involucre 3 — 6-leaved, very long : spikes lanceolate and linear, 

 compressed, 24 — 36-fl.owerai : scales keeled, acute and mucronate, 

 many-neryed, green: achenium obovate, triquetrous, one-third the 

 length of the scale. 



Deccan. Coromandel. 



(18) 0. SnxETBNsis. fN. ah. K) 

 Ident. Eees ab. Esen. in Wight Contrib. p. 79. 



Spec. Chae. Culm triquetrous, glabrous : leaves flat, scabrous, at 

 the margin : umbel compound, many-rayed : involucre 4 — 5-leaves, 

 very long: spikes fascicled and capitate, oblong, compressed, 

 10 — 13-flo-wered: scales ovate, boat-shaped, bbsoletely -S-nerved : 

 achenium elliptic, triangular, mucronate, a half shorter than the 

 scale. 



Silhet. 



(19)' C. Hasp AIT. (lAnn.) 



Ident. Linn. sp. 66.— Eoxb. 1. c. 210.— "Wight 1. c. p. 80. 



Byn. C. autumnaHs, Vahl. — Scirpus autumnalis, Linn. Mant. — 

 C. gracilis, Muelhenb. gram. 18. — C. leptos, Schult. — C. nudus, 

 Ekmb. et iunth Nov. gen. — C. tunicatus, SehuU. Mant. II. 115. — 

 C. juncoides. Lam. III. I. 147. — C. complanatus, Willd. 



Migrav. Eottb. gram. 36, t. 6, fig. 1.— 58, t. 17, fig. 3. 



Spec. Chab. Culm triquetrous at the base, sometimes sheathed 

 and leafless, or leafy : leaves linear, flat, glabrous : umbel decom- 

 pound, lax r involucre 2-leaved, usually shorter than the umbel : 

 spikes in threes, or fascicled and clustered, linear compressed, 

 18 — 30-flowered: scales somewhat keeled, navicular, 3-nerved : 

 achenium obovate, rounded, pointed, rough with minute tubercles. 



Peninsula. 



(20) C. DiFFOEMis. (Linn. J 



Ident. Lion. sp. 67. — Eoxb. 1. c. p. 195. —"Wight Contrib. 

 p. 88. 



Engram. Eottb. 1. c. 24, t. 9, fig.— Sibth. flor. grsec. 1. 1. 46. 



Spec. Chae. Culm triquetrous : leaves flat, glabrous : umbels 

 simple or compound, 3 — 11 -rayed: involucre 2 — 3-leaved, very 

 long : spikes densely clustered into globular heads, lincar-com- 



