Rottbwllia. triandria digynia. 355 



A native of mountains. 



Root consisting- of strong woody fibres. Culms erect, ra- 

 mous, a little compressed, inwardly of a spongy nature, from 

 six to ten feet high, and as thick as the little finger near the 

 base, where they are armed with strong and short, white hairs. 

 Leaves large and numerous, smooth on the outside, and 

 hairy on the inside; margins hispid ; sheaths very hairy ; hairs 

 elevated on glandular points, very stiff and sharp. Spikes 

 terminal, and from the exterior axills, generally solitary, cy- 

 lindric, &c. Flowers of three sorts, hermaphrodite, male, and 

 neuter, the first and second occupy alternate pits or one side 

 of the spike, while the neuter stand on each side of them, so 

 that the spike may be called secund. Calyx of the herma- 

 phrodite and male floret two-valved. Corol as in the last. 

 Stftmens &c. as in the genus. Calyx of the neuter flower two- 

 valved, valvelets oblong-. Corol, glumes two, membrana- 

 ceous. 



4. R. corymbosa. Linn. sp. pi. ed. Willd. i. 443. Corom. 

 pi. ii. M. 181. 



Polygamous, erect, smooth, from three to five feet high. 

 Spikes fascicled, terminal and axillary ; racliis jointed ; flow- 

 ers alternate, on opposite sides of the spike. Calyces gener- 

 ally two -flowered. 



Teling. Pedda-panookoo. 



R. punctata. Retz. Ohs. iii. 1*2. 



Aegilops eraltata. Retz. Obs. ii. 27. 



A native of low rich pasture ground, grows in erect tufts. 



Culms many, straight, mostly naked, the sheaths of the 

 leaves being short and covering but a small part of them ; 

 round and smooth, from three to five feet high, and like those 

 of the last species, very firm, and not piped. Leaves a tew, 

 from six to twelve inches long ; margins sometimes fringed 

 with a few hairs ; sheaths short and smooth. Spikes terminal 

 and from the exterior axills several, peduncled. Peduncles 

 filiform, curved, jointed near the base and there bracted, be- 



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