20& TRIANDKI'A MONOGVNIA. Cl/peVUS. 



tate, linear; spikelets diverging, many-flowered; scales with 

 long recurved points. 



A middle sized species; grows in marshy places, ditches, 

 &c. 



Root, a somewhat tuberous head with many fibres. Culm 

 erect, from one to six feet high, mostly naked, smooth, three- 

 sided. Leaves sheathing as in the other species, their mar- 

 gins slightly armed with minute prickles. Umbel compound 

 or decompound, from two to four inches high. Umbellets 

 sessile, and peduncled, composed of erect, compound spikes, 

 of small diverging - , linear, acute, from four to six-flowered 

 spikelets. Involucre many-leaved, unequal, most of them 

 longer by far than the umbel, margins armed like the leaves. 

 Involucel many-leaved, length of the umbellets. Seed three- 

 sided, oblong, with grooved sides. 



Obs. In Bengal I have met with this species six feet high, 

 with a decompound umbel, a foot or more every way, and 

 with from twelve to twenty-four flowers to the spikelets, the 

 culm between round and three-sided, and in the largest al- 

 most entirely round. 



38. C. verticillatus. R. 



Culms four feet high, three- cornered, leafy at the base, Utn- 

 bel decompound ; involucre many-leaved; mvolncels filiform, 

 spikes of the umbellets > verticelled ; spikelets lanceolate. 

 Scales with a blunt point. Seed linear, oblong, three-sided. 



Beng. Bwrethi. 



Found during the rains, in wet low places, in the vicinity 

 of Calcutta. 



Root perennial, somewhat tuberous, « ith numerous dark- 

 coloured, thick, spongy fibres. Culms naked, except just at 

 the base, from two to six feet high, and about as thick as a 

 stout quill, absolutely three-sided, smooth, shining, deep 

 green. Leaves, one, two, or three at the base of each culm, 

 and about the same length, keeled, somewhat spongy, very 

 deep green, whitish underneath, margins armed with minute, 



