Panicum. TRIANDRIA DIGYNIAs -^ 309 
- Culms creeping, asin the two last described species, but rather more 
robust.— Leaves broad, and somewhat. cordate at the base, waved ; 
margins of the sheaths ciliate-—Panicle, the lower part always 
confined within the sheaths of the extreme leaf, oval, from three 
to five inches long, composed of numerous very fine capillary ra- 
mifications, the common rachis and larger branches very woolly. 
— Flowers obliquely-oval, numerous, on very fine, long pedicels, 
—Calyx, the exterior valve lanceolate, the second boat-shaped, with 
_ the outside covered with very long soft wool, the third oval.—Co- 
rol, with a neuter valve, but no stamen,— Seed oval, smooth, white, 
41. P. tenellum. R 
Culms ascending. Leaves long. Panicles oblong, very ramous. 
Flowers solitary, remote ; second valvelets of the calyces recurved, 
and pointed. Corol, three-valved. Seed oval, smooth, five-nerved. 
Grows on pasture ground, borders of cultivated lands, &c. 
Calms 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.— Paniclesoblong, 
generally as long as the rest of the plant, thin, composed of expand- 
ing, capillary, ramous branches.— Flowers remote, oval, small.—Ca- 
lyr, the glumes striated, otherwise smooth.—Corol, with a third 
neuter valve.—Seed oblong, smooth, light-brown, five-streaked. 
49. 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 valleys. 
- Culms erect, ramous, from two to four feet high. Leaves some- 
what cordate at the base, from thence tapering to a point, margins 
ciliate ; sheaths as long, or longer than the joints, smooth.— Pani- 
cle erect, linear, composed of erect, linear, ramous ramifications, 
Which stand somewhat remote, particularly below, so that the pa- 
