260 TRIANDRIA DIGYNIA. Atldvopogon. 



A native of Coromandel, a stout, erect species, with a 

 branch from the axill of each of the superior smooth short 

 leaves, having- much the appearance and habit of B.'adhii 

 and pertnsus ; from the former it differs most conspicuously 

 in the valves of the calyces being acute, whereas in B/adhii 

 they are broad and rounded ; and from pertnsus in the want 

 of the pit on the back of the exterior valve of the hermaphro- 

 dite flower. 



SECT. II. With long pcduncled, axillary Sjrikes. 



14. A. monandnts. R. 



Erect, filiform, with erect, filiform, branches at the top, 

 Spikes solitary, flowers hermaphrodite, and female; exterior 

 valvelet of the calyces and corols of both awned ; hermaphro- 

 dite, monandrous. 



A native of mountainous countries. 



Culms many, ramous, filiform, straight; about a foot high, 

 round and smooth. Leaves small, base and mouths of the 

 sheaths hairy. Spikes generally solitary, terminal, and from 

 the exterior axills, long-ped uncled, straight, about an inch 

 long. Peduncles filiform, jointed, and spathed at the mid- 

 dle. Rachis jointed, winding, hairy. Florvers numerous,, 

 imbricated in pairs ; one, the hermaphrodite, sessile, and the 

 other, female, pedicelled. ^ 



Hermaphrodite Flowers sessile. Calyx two-valved, 

 nearly equal, exterior valvelet ending in a long slender 

 arista, the inner one with its apex obtuse, and bearded. 

 Corol, exterior valve ending- in a long- slender awn. Stamen 

 one. Styles two, &c. as in the genus. 



Female Flowers pedicelled. Calyx and corol as in the 

 hermaphrodite ones ; only the inner valve of the calyx is 

 pointed, and bearded. 



15. A. Mrictus. R. 



Straight, ramous at the top ; base of the leaves ciliate. 



