- 
Cyperus. ,TRIANDRIA MONOGYNIA. 209 
to four-leaved; of the length of the umbellets.—Jnvolucre from three 
to six-leaved, unequal ; the longest from two to three feet, the short- 
est as many inches\-—Seeds three-sided, smooth.. 
37. C. digitatus. R. , 
- Culms from one to six feet high. Umbel decompound, fastigiate, 
Involucre and. involucels many-leaved ; spikes digitate, linear, spike- 
lets diverging, many-flowered, scales with long xecurved points. 
A middle sized species ; grows 4n 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 margins 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 
à decompound umbel, a foot or more every way, and with from ` 
twelve to twenty-four flowers to the spikelets, the culm betweeu 
round pend three-sided, and in the largest almost men round. | 
E. € verticillatus. R. : | 
Culms four feet high, three-cornered, leafy at the base. Umbel de- 
compound ; involucre many-leaved, involucels filiform, spikes of the 
umbellets verticelled ; spikeletg . ROM: Scales Am a junk - 
Point. Seed linear, oblong, three-sided. | 
— Beng. Burethi. : 
Found during the rains, in wet tis places, in the vicinity of Cale 
Root perennial, PGE E tuberous, with numerous 
loured, am spongy | fibrés.— Culms naked, percept ps ati le 
AR 
