Scirpus. TRIANDRIA MONOGYNIAs .. 219 
Root fibrous. Culms erect, from one to three feet high, naked, 
round, and slender in proportion to the height, striated, otherwise 
smooth.’ Leaves none, except two sheaths embracing the base of 
each culm. Spikes from three to five, lateral, sessile, oval, naked, 
. from four to six iuches, below the apex of the culm, which is erect, 
and like that below the spikes. Incolucre none. Slamens three, 
iutermixed with bristles. Stigma two-cleft. Seed obcordate, com- 
pressed, smooth, white. 
15. S. dio mae Linn. gj. 1 Phd. Willd. i-308. Fahl. Enum. i ii. 
256, 
Culms can gi six tp tw ie inches Mich; thrée-comered. Spies pe- 
duncled and sessile below the apex. - ‘Seed black, siis: sub- : 
triangular. pe. 
ŽA native of sandy ground. : 
= Root fibrous.—Culms ereét, from six to twelve inches high, firm, - 
. naked, three-sided, striated, with rounded angles, above the spikes 
- half round, with a groove on the flat side. Spikes lateral, sessile 
nd peduncled, naked, from six to twelve, oblong, many-flowered. - 
Nectarial bristles of the germ wanting.— Seed somewhat three-sid- 
ed, black, with usse spots. 
34 $. ome; R. 
Culms in tufts, erect, two feet high, naked, acutely eser 
Spikes: from eight to twelve, sessile just under the straight three- 
~ Winged apex. Germ embraced by six long, slender bristles, besides 
_ the three-broad filaments. ` ae 
Native of pbiktagang, v where like most of the order, it delighsin xi 
' Wet ground. ded 3 
15. S. supinus. Vahl. Enum, Pl, ii. 957: es 
RR in tufts, curved, three-cornered, generally naked. - Spikes Eus 
| Several, under the grooved apex, sessile and peduncled.- Incolucre 
‘one-leaved, besides the apex of the culm, Seed three-s i 
versely rugose on the back, black. 2 d a 
Š lateralis. Linz. Sp. Pl. ed. "iid. i. 302: t Obs. ^ 
