Cyperus. triandria monogynia. 201 



very short, embracing the base of the culm. Umbel com- 

 pound, or decompound, from one to two inches high ; nm- 

 bellets one or two sessile, and from two to eight on peduncles 

 of various lengths ; the highest sometimes bears a small par- 

 tial umbellet. Involucre two-leaved, shorter than the umbel. 

 Spikes lanceolate, chesnut-coloured. Flowers monandrous. 

 Seeds white, short, three-sided, a little rough. 



30. C. Iria. Linn. sp. pi. eel. Willd. 1. 286. Vahl. enum. 

 2. 360. 



Culms from one to two feet high ; angles sharp ; umbels de- 

 compound, shorter than the involucres; spikelets alternate; 

 flowers rather distinct; scales imbricated. Seeds obovate, 

 angular. 



Ira. Rheed. Mai. 12. p. 105. /. 50. docs not very well 

 agTee with my plant. 



Gramen cyperoides, &c. Pluck. Almag. t. 191. f. 7. is 

 much more like this plant than the above-quoted plant of Van 

 Rlieede. 



Beng. Bwra-choocha, 



Is a native of moist, cultivated lands. 



Root fibrous. Culms erect, from one to two feet high, 

 four-fifths naked, three-sided, sharp-angled. Leaves sheath- 

 ing* nearly the length of the culm, keeled, smooth. Umbel 

 decompound, from two to four inches high ; nmbellets from 

 four to eight, one or two sessile, the rest unequally ped uncled ; 

 partial nmbellets lanceolate, raceme-like, being composed of 

 alternate, linear, from si\ to twelve- flowered spikes. Invo- 

 lucre from three to four-leaved, the largest two or three times 

 as lono- as the umbel. Scales imbricated, with membranace- 

 ous sides. Style two-cleft. Seeds three-sided, length of the 

 scales. 



31. C. inundatus. R. 



Culms from two to four feet high, exactly triangular. 

 Leaves as long; as the culms. Involucre from four to five- 



