188 FLORA OF 
D. Pedicel of the spikelet jointed above the 
glumes; outer glumes 2; _ spikelets 
1-flowered. 
Flowering glume awned. 
Awn simple and terminal. 
Glume 3-lobed, central lobe awned ; rhachis 
produced in a small bristle : Uae 
Glume keeled, awn very short, spiklelets 
crowded in a cylindrical spike-like panicle 
Glume rounded, rolled around the flower; 
awn very long, spirally twisted ; spikelets 
in branched panicles, rarely SBP like ; lodi- 
cules large 
Glume 3-lobed or entire ; Aes aoe ses- 
sile in 2 rows on one side of simple spikes 
digitate at the end of the peduncle ... 
Awn simple, not terminal, dorsal or basal. 
Glume on a short hairy stalk, membranous ; 
awn from a little below the end, scarcely 
twisted; panicle spike-like ... 
Awn nearly basal, or about the middle, usually 
twisted ; panicle loose and spreading, or 
spike-like re aac “ ae 
Awn 3-branched terminal ; leaves subulate 
Awns 3; flowering glume on a short hairy stalk ; 
panicle spike-like, cylindrical or oblong. (In 
some species of Chloris the 2 outer lobes of the 
flowering glume are shortly awned 
Awns 5, 1 long and 4 small; spikelets in A Sos 
Flowering glume awnless (also Se partly). 
Spikelets in a loose or narrow panicle 
Spikelets in 2 rows on one side of simple spikes, ine 
spikes pee sr guerre at the end of the 
peduncle “f 
11. Two perfect flowers in each ane 
Flowering glume truncate 4-toothed; awn dorsal; outer 
glumes transparent; panicle much spreading 
Flowering glume adie ; awn terminal short or 0; 
outer glumes many-nerved, acute or shortly aw ned 
11. Three or more perfect flowers in each spikelet. 
a. Spikelets awned. 
Flowering glume 3-lobed, 3-awned; spikelets in panicles 
Flowering glume 3-nerved tapering into short awns; 
stamen 1; spikelets in globular or cylindrical spikes 
SOUTH AUSTRALIA 
Echinopogon 
Alopecurus 
Stipa 
Chloris 
Dichelachne 
Agrostis 
Aristida 
Amphipogon 
Pentapogon 
Sporobolus 
Cynodon 
Aira 
Eriaechne 
Triraphis 
Elytrophorus 
