254 ' TRIANDRIA DIGYNIA. datis t 
Culms annual, erect, or leaning, geniculate, smooth, and colour- ; 
ed; from twelve to twenty-four inches high.— Leaves ensiform, soft 
and hairy.  Sheaths much shorter than the joints.—Panicles co- 
. pious, hirsute, composed of numerous small umbells and these in 
general of five or more umbellets, the former with a common 
cymbiform, bristly involucre, and the latter with a small, proper - 
characteristic involucre, equally bristly ; all the bristles have a round | 
bulbous base.— Umbellets five-flowered ; the two hermaphrodite ones $ 
awned, and the three male ones pedicelled, and awnless; one of 
the former is sessile below, with a pedicelled male one by it; the 
other elevated on a common peduncle, embraced by the other two 
` male ones on their proper pedicels, - in all of them the calyx: is 
| two-valved; no corol, the arista i in the elma flowers: v 
captain 
Obs. This species may bé inaid distinguished by its alit 
lets being composed of two hermaphrodite awned florets, and three 
male ones. In all the rest, which I have met with there is one 
awned | hermaphrodite, and six male, or neuter florets in the um T 
bellet. 
i A. prostrata. Linn. Sp. Pl. ed. Willd. iv. 901. 
Creeping. Leaves scarcely longer than their sheaths. T 
smooth. Accessary florets male, with a two-valved — calyx and e 
. one-valved awnless corol. Xe * 
A common grass, delighting in rich pasture g ground. E 
' Culms | creeping, or leaning on other plants, filiform, ramous, winds Ü 
ing from j joint to joint, round, smooth, from one to three feet long-— Í a 
Leaves below, and on leafy shoots bifarious, small, „particularly the f for xr 
ral ones, smooth. — Sheaths short, compressed.— Panicles thin, leafy. d 
— Flowers numerous, collected in little pedicelled, involucred. fee ze 
cles from the axils of the exterior leaves. Fascicles, or umt : 
their peduncles are jointed near the apex, and from thence yw v 
embraced id a long, ae sheath or involucre. Flowers, of 
