196 FLORA OF SOUTH 
ru. Awn absent or reduced to a very small point. 
Panicle dense, ovate or oblong; leaves very narrow, 
long-pointed As a a, 54 ae 
Panicle narrow. Rather tall, slender, with glabrous 
flat leaves i eh haf ie ae ; 
Panicle loose or reduced to 2 or 3 spikelets. 
Leaves } to 3 in. long, spreading, pungent-pointed 
Leaves not pungent, the upper ones distant. 
Flowering glumes tipped with short points ... 
Flowering glumes obtuse or scarcely acute 
Triraphis. 
Glabrous, about 2 feet high ; panicle soft and dense 
Danthonia. 
1. Flowering glumes 2-lobed, more or less hairy. 
Flowering glumes cleft to near the base, lobes lanceo- 
late, hairs arranged in 2 transverse rows ... : 
Flowering glumes cleft to near themiddle, hairsclustered 
Flowering glumes cleft to less than the middle, awn 
longer than the lobes, hair-tufts in 2 transverse 
rows 
u. Flowering glumes not cleft, minutely den- 
ticulated at the summit, without any tufts 
of hairs ; awn infra-terminal 
Astrebla. 
Spikelets closely imbricate ; awn about as long as the 
lateral lobes... 
Spikelets distant, almost erect ; awn longer than the 
lobes 
Agropyron. 
Spikelets narrow, erect, and distant, with long awns ; 
stems rough 
Elytrophorus. 
Erect glabrous dwarf annual ; leaves flat ; spikes very 
short and broad ee = 
Arundo. 
Very tall, short stems and long leaves from a creeping 
rhizome. Semiaquatic 
Bromus. 
Rather dwarf, annual ; leaves flat, flaccid, softly hairy 
AUSTRALIA. 
ovata 
pallida 
scleranthoides 
mucronata 
obtusa 
mollis 
bipartita 
carphoides 
. * penicillata 
nervosa 
pectinata 
triticoides 
scabrum 
articulatus 
Phragmites 
arenarius 
