Cyperus. triandria monogynia. 193 



14. C. polystachyos. Linn. sp. pi. ed. Willd. 1. 275. 

 Rottb. gram. 39. 1. 11./. L Vahl. errnrn. pi. 2. 315. 



Culm twelve inches long ; leaves short ; umbel compound, 

 sessile, crowded. Involucre many-leaved. Stifle two-cleft. 

 Seeds linear, obcordate, without angles. 



Gramen cyperoides, &c. Pluck, mant. 97. tab. 416. Jig. 6. 

 is not unlike this plant. 



A native of moist pasture land, of ditches, Sec. 



Root fibrous. Culms erect, about a foot high, simple, 

 three-sided, smooth, lower part involved in the sheaths of the 

 leaves. Leaves shorter than the culm, smooth. Umbel 

 terminal, compound, crowded, sessile, about an inch each 

 way. Umbellets sub-sessile, crowded , composed of numerous, 

 sessile, linear-lanceolate spikes. Involucre from four to six- 

 leaved, unequal, the longest being from six to eight inches 

 long*, and the shortest, only one. Stigma two-cleft. Seed 

 compressed, oblong-obcordate. 



15. C. punctatns. R. 



Culms from two to six inches high, shorter than the leaves. 

 Umbel compound. Involucres longer than the leaves. Seeds 

 oval, compressed, dotted. 



Gramen cyperoides elegans, &c. Pluck, t. 192./'. 3. 



A small elegant species; a native of moist pasture ground. 



Root fibrous. Culms erect, from two to six inches high, 

 half naked, three-sided, smooth. Leaves sheathing, the lower 

 ones little more than the sheaths, the superior ones longer 

 than the culm. Umbel terminal, compound, about an inch 

 each way. Umbellets some sessile, some ped uncled, compos- 

 ed of linear, many-flowered spikes. Involucre from three to 

 four-leaved, unequal, longer than the culm ; scales daggered. 

 Seed compressed, obovate, beautifully marked with white 

 dots, on a dark-coloured ground, hence the specific name. 



Obs. In Konig's catalogue he called this C. pygmceus. 



VOL. I. m 



