TRIANDRIA.— DIGYNIA. 2d 



60. ALOPECURUS. Cal. 2-valved, equal ; glum, gene- 

 rally connate at the base. Cur. 1-valved, utriculate, 

 cleft on one side, awned below the middle. Styles 

 often connate. 



Sl.PHLEUM. Cal. 2-valved, much longer than the 

 corolla ; glumes equal, boat shaped, rostrate or 

 mucronate. Cur. 2-valved, included in the calyx, 

 awnless, truncate. 



C. Cor. with 1 or 2 abortive rudiments of Jlorets at th' 

 base. 



1. Glumes and corolla of dissimilar texture. 



62. CYNODON. Spike* digitate and fascicled. Fl. uni- 



lateral, in a simple series. Cal. 2-leaved ; glum. 

 nearly equal, spreading, acute. Cor. 2- valved ; sup. 

 valve very narrow, surrounded by the inferior one. 

 Rudiment minute, pedicellate. Nect. collateral. 



63. GYMNOPOGON. Cal. 2-valved, carinate, nearlv 



equal, longer than the flower ; valves of the cor. 

 nearly equal ; the inferior with a straight bristle 

 a little below the tip. Rudiment aristiform, 



2. Glumes and corolla of nearly similar texture. 



ol. PHALARIS. Cal. 1 -flowered, . 2-valved, nearly 

 equal, membranaceous, gibbous on the back, cari- 

 nate. Cor. 2-valved, coriaceous, hairy at the base, 

 shorter than the calyx. Rudiments opposite, ses- 

 sile, resembling valves. Nect. collateral. 

 .. ANTHOXANTHUM. Cal. 2-valved, 1-flowered. 

 Cor. 2-valved, with 2 abortive, 1-valved rudiments 

 at the base ; one of them awned frdm near the 

 base, the other from near the tip. Stain. 2. 

 66. BRACHYELYTRUM. Cal. very minute ; inferior 

 glume scarcely perceptible. Cor. with the inferior 

 valve terminated by a long bristle ; superior valvr 

 with a clavate rudiment at the base. 

 + t Spikelets many-florvcrcd, 

 * Florets all perfect. 

 a. Flowers panicled. 



