Panicum. TRIANDRIA DIGYNIA, 307 
. Culms many, branchy; near the ground prostrate, rooting 
at the joints, the rest ascending; from one to two’ feet high, 
and as thick as'a sparrow’s quill. Leaves soft with white 
hairs. Panicles oblong, generally as long as the rest of 
the plant, thin, composed of expanding, capillary, ramous 
- branches. lowers remote, oval, small. Calya:, the glumes 
striated, otherwise smooth. : Coro/, with a third neuter valve, 
Seed oblong, smooth, light-brown, Bve-streaked. 
A2. P. serrulatum. R. 
Culms erect, from two to four feet high. Leaves sword- 
shaped, with serrulate margins. Panicle, spiked valvelets 
of the calyces sharp-pointed. Seed smooth, oblong. 
A large erect, coarse species ; a native of moist vallies, 
~ Culms erect, ramous, from two to four feet high, Leaves 
somewhat cordate at the base, from thence tapering to a point, 
margins ciliate; sheaths as long or longer’than the joints, 
smooth, Panicle erect, linear, composed of erect, linear, 
ramous ramifications, which stand somewhat remote, parti- 
cularly below, so that the panicle-appears to be a compound 
interrupted spike. Flowers lanceolate. Calyx, glumes lan- ~ 
ceolate, very acute, the two inner ones somewhat hispid on 
the back. Corol single, hermaphrodite, Seed oblong, smooth, 
white.) 9° jek 
43. P. Koadindioinnt 
- Culms erect, from two to three feet high, Panicle erect, 
ovate, thin; ramifications few, three-sided, with sharp hispid ‘ 
angles; pedicel two-flowered ; valvelets of the calyces cus+ 
opm Corol three-valved, Seed et possess nt) 
ait pe and Kulws-nar. mt rT! 
It sows generally. in sweet water an ongst 
Culms’ erect]; from two a le swelled miler 
the water, and there emitting roots from the joints, Leaves 
T2 
