Jlndropogon. triandria digynia. 261 



Spikes fascicled on their own proper pedicels; exterior valve- 

 lets of both calyces pitted; inner glume of the hermaphro- 

 dite corol awned. 



A native of mountains, and their vicinity. 



Culms straight, ramous, about two feet high, and as thick 

 as a sparrow's quill, round and smooth ; joints bearded. 

 Leaves slender, a little hairy, and ciliate near the base ; 

 mouths of the sheaths stipuled. Spikes from three to six, 

 long-pedicelled, and collected on a common peduncle, one 

 of which is terminal, and one or two more from the next one 

 or two exterior axills; very slender, perfectly erect, and about 

 an inch long. Jiaclds as in the former species. Pedicels 

 most fine, straight, two inches long-, jointed near the base, 

 where a fine slender spathe begins. Flowers in pairs; one 

 hermaphrodite and sessile, the other small and pedicelled. 



Hermaphrodite Flowers sessile. Calyx as in the 

 genus, except that the exterior large valvelet has a large pit 

 in it, as in A. pertnsns. Corol, inner valve slender, ending in 

 a lono- twisted awn. 



Male Flower pedicelled. Ca//ya? one- valved, and pitted 

 as in the hermaphrodite flower. Corol two-valved, awnless. 



16. A. polystaclu/os. R. 



Straight ; spikes numerous, axillary, simple, each elevated 

 on a long jointed, sheathed peduncle. Flowers, inferior pairs 

 male and awnless ; one of the superior ones is female and 

 amply awned, the other male and awnless. 



A native of the Peninsula of India. The flowers greatly 

 resemble those of A. contortus, but the habit of the grasses is 

 very different. 



Culms straight, ramous. Leaves ensiform, straight, acute, 

 ciliate at the base. Spikes simple, many together on the axill 

 of the leaves, each elevated high on its long, filiform, jointed, 

 sheathed peduncle, length from one to two inches. Flowers 

 paired, those on the lower two-thirds of the spike are all male, 

 and awnless, and, as usual, one of them sessile, the other 



Q3 



