Panicum, triandria digynia. 297 



long. Spikelets numerous, approximate, longer than the interstices. 

 Flowers hermaphrodite, oblong, two exterior valvelets of the caly- 

 ces minute ; seed oblong. 



Bens:- Pet/-nar. 



Telins:. Doosa. 



Deli'^hts in a moist rich soil, such as the banks of water-cours- 

 es, borders of rice tiekis, S\.c. 



Cuhiis at the base creeping, above nearly erect, round, smooth, 

 from one to four feet long, including the part that rests on the 

 ground. — Leaves smooth, except about the mouths of the sheaths 

 wiieie ihey are bearded, and sub-ciliate. — SpiJ^e compound, se- 

 ciind, exceedingly like that of P. brizoides, only here it is generally 

 longer, with often as many as twenty-live or thirty spikelets ; their dis- 

 tance from one another is not so regular and is generally less than 

 tlieir own length. — Floicers disposed in two rows on the outside of 

 the spikelets, which are oblong. — Calyx one-flowered, the two ex- 

 terior valves very small. — Seed oblong, pointed, rugose. 



21. P. lanceolatum. Linn. Sp. Fl. ed. Willd. i. 337. 



Culms, creeping. Leaves lanceolate, mouths of their sheaths ele- 

 vated and bearded. Flowers hermaphrodite ; valvelets of the caly- 

 ces equal, the exterior one awned. Seed smooth, oblong. 



P. arhlatUin, of the same author, seems the same grass. 



Compare with P. compositum. Linn. Sp. PL ed. f'Villd. i. 346. 

 In the Banksian Herbarium the same species is labelled P. iin- 

 guinosum. Grows imder the shade of trees. 



Culms creeping, ramous, with their extremities, from one to two 

 feet high, sub-erect. — Leaves lanceolate, waved, often tinged with 

 purple ; sheaths shorter than the joints, hairy ; mouths elevated, 

 stipula-like, and hairy. — Spikes cotnposed, secund ; from six to 

 twelve inches long. Spikelets alternate, somewhat remote, secund, 

 direction between expanding and adpressed. Rachis, common and 

 partial three-sided. — JYotiiWS generally paired, one-sessile, the other 

 short-pedicelled j insertions often surrounded with hairs, when single 



LI 



