'340 TRIANDR1A DIGYNIA. Poa. 



exactly resembling P. unioloides as to be easily mistaken 

 for it. It has much the habit of Briza Eragrostis. 



Culms sub-erect, winding, round, smooth ; from one and 

 a half to two feet high. Leaves much larger than in the last 

 species, and the mouths of the sheaths more hairy. Panicle 

 oval, very large, generally more than half the length of the 

 whole plant, branches alternate, nearly horizontal, ramous, 

 with a brown, hairy gland in the axill of each division of the 

 panicle. Spikelets white, or pale green, lanceolate, large, 

 about twenty-flowered. Seed globular, brown, and smooth. 



19. P. paniculata. R. 



Erect, smooth, from two to four feet high. Leaves long; 

 mouths of their sheaths bearded. Panicle oblong ; ramifica- 

 tions most numerous, filiform ; insertions hairy. Spikelets 

 from four to sixteen-flowered ; valvelets of the calyces ciliate. 

 Seed globular. 



Culms sub erect, round, and smooth ; length from one to 

 two feet high to the panicle, which is about the same length, 

 making the whole height from three to four feet. Leaves 

 large, mouths of the sheaths very hairy. Panicle oblono-, 

 very large, composed of numerous, ramous, filiform, expand- 

 ing branches, their insertions and sub-divisions involved in 

 fine, long, white hairs. Spikelets long pedicelled, linear, 

 from four to sixteen-flowered. Corol, outer valve round at 

 the apex, and three-nerved; inner one slightly ciliate on the 

 back. 



20. P. gangetica. R. 



Grows in very dense tufts. Panicle thin. Spikelets linear, 

 from thirty to forty-flowered. 



A native of the banks of the Ganges, but scarce. 



Culms numerous, and ramous, growing in crowded tufts, 

 smooth in every part, general length about a toot. Leaves 

 few, small, and smooth. Panicle ovate, composed of a few, 

 remote, alternate, sub-diverging branchlets, each supporting 



