398 ` TRIANDRIA DIGYNIA. — Melica. 
Obs. The accurate Gartner, Carp. vol. ii. p. 466 t. 175 gives to 
the sessile flower of A. mutica, one hermaphrodite, and one female 
floret, and to the pedicelled one two male ones, consequently this 
must be different, and a second awnless species. 
AIRA. Schreb. Gen. N. 119. 
Calyx two-valved, two-flowered, without the rudiment of a third. 
1. A. filiformis. Kon. Mss. 
Smooth, erect, one foot high. Leaves ensiform. Panicles ob- 
long, compound, of simple, linear, secund racemes. 
A native of pasture ground. 
Culms erect, mostly naked, round, smooth, about a foot high.— 
Leaves small, smooth ; mouths of the sheaths enlarged by a mem- 
branaceous, torn process.— Panicle erect, thin, oblong, composed of 
alternate, simple, one-ranked, filiform, expanding racemes. —Flow- 
ers in two rows.—Calyx two-flowered, large. 
 MELICA. Schreb. Gen. N. 113. 
Calyx two-valved, two-flowered, with the rudiment of a third. 
~ 
1. M. digitata. R.. 
Culms from four to five feet high. Spikes terminal, expanding, 
mostly five-fold. Calyx one-flowered ; outer valvelets of the coro! 
and rudiment awned. 
A large beautiful species, a native of hedges, thickets, &c. 
Culms near the base procumbent, but when supported by bush- 
es erect and often from four to five feet high.— Leaves upper side 
somewhat hairy ; mouths of the sheaths bearded.— Spikes four or five, 
digitate, secund, spreading, filiform, from six to nine inches long, 
hairy at the base. Rachis three-sided.— Flowers in two rows, S657 
sile, awned.— Calyx one-flowered ; glumes unequal, the interior be- 
ing three or four times longer than the exterior, and short-awned.— 
. Corol, valves unequal, the largest has along awn issuing just below 
