200 TRIANDRIA MONOGYNIA. CiJperUS. 



spreading", composed of alternate, sessile, lanceolate, from 

 twenty to thirty- flowered spikes. Involucre three or four- 

 leaved, very unequal, the largest being from one to two feet 

 lon<>\ and the shortest about one or two inches. Scales obtuse, 

 apex often emarginate and membranaceous. Seeds three-sid- 

 ed, obovate. 



28. C. st rictus. R. 



Culms about twelve inches high, stiff and straight, shorter 

 than the leaves ; angles sharp. Umbel decompound, straight; 

 flowers diandrous. Seeds obovate, compressed, without 

 angles. 



Delishts in a moist uncultivated soil. 



Root fibrous. Culm straight, rigid, about a foot high, 

 obtusely three-angled, three-fourths naked, smooth. Leaves 

 mostly radical, sheathing, many of them longer than the 

 culm, erect, rigid, much keeled, smooth. Umbel erect, linear, 

 thin, sometimes decompound, though in general only com- 

 pound. Umbellets, one or two sessile ; and from three to 

 eight with peduncles of unequal lengths ; the largest pedun- 

 cles are compound. Involucre from three to five-leaved, 

 very unequal ; the largest nearly as long as the culm, the 

 smallest not more than an inch long. Spikes sessile, lanceo- 

 late in small plants, in large ones linear. Stamens two. Style 

 two-cleft. Seed compressed, obcordate. 



29. C.ftavidus. Linn. sp. pi. ed. Willd.l. 279. Retz. Obs. 

 5. 13. Vahl. enum. pi. 2. 334. 



Culms from six to eight inches high, generally shorter 

 than the leaves. Umbel decompound, longer than the in- 

 volucre ; umbellets globular ; spikelets crowded ; flowers mo- 

 nandrous. Seeds obcordate, three-sided. 



This is a small delicate species, a native of moist places on 

 the coast of Coromandel. 



Root fibrous, dark purple. Culm erect, from six to eight 

 inches long, naked, three-sided, smooth. Leaves sheathing, 



