Aristida. | CXLIV. GRAMINEX. 561 
- Panicle narrow, dense. Spikelets sessile and crowded on 
the short branches. Glumes 3 lines or the flowering E 
rather longer, Awns4to6lins . . . . . . » 9. A. depressa. 
SECTION T. ARTHRATHERUM.—Awn articulate on the glume, although 
usually remaining attached and falling off with it, entire and t wisted 
below the branches. Flowering glume much shorter than the outer 
ones, 
Panicle narrow, scarcely branched, 6 t in teas without the awns 
Spikelets fi short erect pedicels. Outer glume obtuse, 8 
lines long, dpud 3-nerved or sometimes 4-nerved by the doubling 
of the o ; 2nd glume hard and convolute, nearly 1} in. long, 
acute, 1- dened. Jorma lume narrow, convolute, glabrous, about 
3 lines long on à hairy stipes of 1 to 11 lines. Awn articulate on the 
glume, at least 2 in. long below the branches, the middle branch 22 to 
4 in., the lateral ones as long or shorter. Palea a little more than 1 
line long. pais at least as long, finely ‘igs at the base.—Beauv. 
Agrost. t. 8, f.8; Trin. and Rupr. Gram. Stip. 162. 
N. HE Arnhem N. Bay, R. Brown ; Upper Victoria River, F. Mueller, 
2. A, oides, R. Br. Prod. 174.—Habit and foliage of A 
Moronciriceh m more slender. Panicle long with a slender Pe. 
the er short erect branches usually bearing 2 spikelets, the upper 
wikeets singly distant on ciiin erect pedicels. Duter d er r 
erve t 
branches li to 2 in. long.— I m dnd nee oma emi 101; E; 
Muell, Fragm. viii. Apa 
s,N- Australia. Islands of the, Gulf of Carpentaria, R. Brown ; Gilbert River, 
TUNE Nicholso on and Upper Victoria Rivers, F. Mueller ; Port Darwin, Schultz, 
2; hain 
mpier's Archipelago, AE cot 
"Centra ustralia "m enti Alice Springs and Charlotte Waters, Giles; Lake 
Yre, Andrews, 
9. A. are » Gaudich. in Freyc. Voy. 07.—Very near 
4. stipoides a Heg RSA to that species by F. Kiueller, n ue viii. 111, 
but à smaller plant, the stems usually not above 6 in. below the 
"ally 3 i z to $ in. below the branching, the branehes very xri a 
L. VII. 
