326 TRIANDRIA DIGYNIA. Melica. 



sulcate; proper pedicels, one minute and abortive, the other 

 polygamous as in the sessile flower. Calyces of both the ses- 

 sile and pedicelled flowers two-valved, two-flowered. Corol 

 in all of them two-valved ; valves unequal, exterior one thin 

 and transparent. 



Obs. The accurate Gaertner, Carp. vol. ii. p. 466. t. 175. 

 gives to the sessile flower of A. mntica, one hermaphrodite, 

 and one female floret, and to the pedicelled one two male ones, 

 consequently this must be different, and a second awnless 

 species. 



AIR A. Schreb. gen. N. 112. 

 Calyx two-valved, two-flowered, without the rudiment of 

 a third. 



A. Jiliformis. Kon. Mss. 



Smooth, erect, one foot high. Leaves ensiform. Panicles 

 oblong, 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 membranaceous, torn process. Panicle erect, thin, ob- 

 long, composed of alternate, simple, one-ranked, filiform, ex- 

 panding racemes. Flowers in two rows. Calyx two -flower- 

 ed, 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, expand- 

 ing, mostly five-fold. Calyx one-flowered ; outer valvelets of 

 the corol and rudiment awned. 



