Heteropogon.] CXLIV: GRAMINE. 517 
keeled, the 3rd very thin and hyaline, A or terminal glume a hard 
twisted and bent awn, attenuate and flexuose or narrow and hyaline at 
the base as in Androp pogon. Palens very s bei thin « or none. Styles 
disti nct. Grain enclosed in the hardened nv but free from them. 
A genus of several species, chiefly tropical, in the New as well as the Old World. 
ys e uh stralian species extend into tropical Asia, and one over the general area 
e en 2 in. long; male spikelets 3 to 4 lines . . . 1. H. contortus. 
Spikes 3 to 6 in. long; male spikelets }in 005 « 2 H, insignis. 
l. H. quium Roem. et Schult. Syst. ii. 8386.—Stems ascending 
or erect, 1 to 2 ft. hi he Leaves narrow, ciliate with a few long hairs, 
the sheaths flattened. Spikes peduneulate, 1 to 2 in. long without the 
awns, Male or barren i bote 3 to 4 lines long, green, ciliate, elosely 
imbrieate in 2 rows along one side of the ses almost concealing the 
females, Female spikelets narrow, the outer glume 
convolute, the 2nd -o with a hard centre, the hairs surrounding 
the s spikelet brown and silky. Awn pa often to 2 in. ang very 
much twisted.—An ndropogon - ege inn. ; h, Enum. i. 
Br. Prod. 201; F. Muell. Fragm. viii. 120; Heleropogon hirtus, 
Pers, Syn. ii. 533; Andy aie striatus, R. Br. Prod. 2 
N. Australia. Islands of the North Coast, R. Brown ; Victoria River, Elsey ; 
oi ge al River, M’ Douall Stuart ; Port Darwin, cee n. 10, 146, 151; Sweers 
Que nsland, Keppel Bay, R. Brown; Endeavour River, Banks and Solander ; 
North-east Coast, A. Cunningham ; Rockingham Bay, Dallachy ; rea Bay, F. 
uw Bailey, Leichhardt ; Rockhampton, O ‘Shane ; Springsure, Wut 
es. Hastings and Clarence Rivers, Bailey. 
(ite over tropical and A tropical Asia, Africa and America. 
dropogon tenuis, R. Br. d. 201, from Keppel Bay, appears to be only a smaller 
slender more glabrous Vends pa státe of H. contortus. 
2. H. ins » Thw. Enum. Ceyl. Pl. 437.—A much more robust 
plant than M. con 8, vp to attain from 8 to 10 ft. Leaves 
dee pedicel Outer glume p 
With a furrow on each side. n 8, 4 or even 5 in. gesta re 
Ten. k Br. Prod. 201; F. Muell Fragm. viii. 1 
N. Australia. Islands of the Gulf of Carpentaria, R. Brown; Arnhem ’s Land, 
MKinlay ; Port Ü Des Somit n. "0; Port Essington, Armstrong ; Bountiful 
Island, Henne. i "n 
Queen East iuh R. Brown; Lord Howick's group, F. Mueller; Rock- 
ingham mse posia Rockhampton, Bowman, Thozet, O Shanesy. 
Also in Timor and Ceylon 
