254 TRIANDRTA DIGYNIA. AndropOffOll. 



Telbig. Yedd?. 



Grows in tufts on rich pasture ground. 



Culms near the base spreading- a little, there compressed 

 and ramous, the rest from one to two feet high, erect, round, 

 and smooth ; joints smooth. Leaves below hilarious, middle- 

 sized, upper side scattered with a few hairs, margins and 

 mouths of the sheaths hairy. Spikes always single, terminal, 

 bowing, cylindric; rachis jointed, waved, round, below 

 where it is occupied by the male and neuter flowers smooth; 

 above where the female flowers are, it is covered with much 

 short, brown hair. Flowers numerous, imbricated in pairs ; 

 on the lower half of the spike they are all neuter, or male, 

 and awnless, one sessile, one pedicelled ; on the upper half 

 the sessile flower is female, and the pedicelled one male. 



Male or neuter Flowers. Calyx two-valved, one-flower- 

 ed ; exterior valvelet green, and covered with stiff* white hair ; 

 inner valve membranaceous, and smooth, except the margins, 

 which are slightly ciliate. Corol two-valved, membranace- 

 ous, margins slightly ciliate. Stamens three or none. 



Female Flowers. Calyx one-valved, one-flowered, ri- 

 gid, embracing the corol on all sides, brown, a little hairy. 

 Parol one-valved, small, the place of the other is supplied by 

 a very long, twisted arista. 



3. A. tenellus. R. 



Filiform, spikes paired. Flowers paired, the sessile ones 

 hermaphrodite, and awned ; the pedicelled ones neuter, and 

 awnless ; exterior valves of both calyces oblong, striate, 

 hairy, and three-toothed ; neuter corol of one minute valve. 



A most delicate tall grass, a native of Bengal, where it ap- 

 pears in hedges, &c. during the cool season. 



Culms from two to three feet long ; at the base resting on 

 the ground, ramous, scarcely so thick as a packthread 'Joints 

 villous. Leaves slender, a few hairs toward the base. Spikes 

 paired, erect, short-pedicelled ; outside imbricated with two 

 rows of sessile, awned, hermaphrodite flowers ; inside with 



