210 ' TRIANDRIA MONOGYNIA. ^ Cl/peruS. 



from two to six feet high, and about as thick as a stout quill, abso- 

 lutely three-sided, smooth, shininj, deep green — Leaves, one, two, 

 or three at the base of each culm, and about the same length, keel- 

 ed, somewhat spongy, very deep green, whitish underneath, mar- 

 gins armed with minute, short, sharp, aciculae, pointing forwards. 

 ■ — Umbel, compound and decompound. Umbelkts many on smooth 

 soiiiewhat angular peduncles of various .lengths, composed of from 

 five to eight cjlindiio, spreading spikes in a verticel, with an erect, 

 sessile, simple or pedicelled compound one in the centre. — Spikekts 

 most numerous, imbricated, lanceolate, from eight to twelve-flower- 

 ed. — /;/io/?u/e many-leaved, some of them nearly as long as the 

 culm, and like the radical leaves keeled and armed on the margins. 

 — InvolaceJs scarcely so long as their respective umbellets.— 5'ca/e5 

 of the snikelets b.oat-sh;iped, with membranaceous margins, and 

 sV.aip tliifpkenjd points. — Stamens three. — Seed oblong, obsoletely 

 . three- sidi'd. 



Ohs. This species comes near Rottboell's Cijperus a/opecuroides. 



39- C distans. Linn. Sp. PL ed. JVilld. 1. 288. Vahl. Enum. 

 PL 2. 362. 



Culms about three feet high, three-cornered. Umbel decompound, 

 with the involucre and involucels many-leaved; spikelets linear, alter- 

 nate \jiozeers distant, with, obtuse scales. Seeds oblong, three-sided. 



C. elatus. Rottb. gram. 37. t. 10. 



Beng. Panee-mMlMnga. 



Is a native of wet places around Samulcota. 



Hoot fibrous. — Culms erect, two. feet high, four-fifths or more 

 naked, three-sided, smooth ; angles blunt. — Leaves from two to four, 

 embracino the base of the culm, and nearly as long, sheathing, deep- 

 ly grooved above, and keeled below, smooth. — C/m6e/ decompound, 

 from. four to six inches high. UMellets some sessile, and from four 

 to eight, with erect peduncles of unequal lengths. Partial umbel- 

 lets oblong, raceme-like, being composed of alternate, needle-like, di- 

 verging spikes. — Involucre from three to six-leaved, unequal j the 



