608 CXLIV. GRAMINES. 
SUBTRIBE Il. CnronrpE z.—Spikelets l- or several-flowered, usually 
sinall, sessile in simple secund or unilateral spikes, which are either 
solitary or digitate or scattered on a common rhachis. Flowering 
glumes usually keeled, entire and unawned or with 1, rarely 3, un- 
twisted awns. 
71. MICROCHLOA, R. Br. 
Spikelets 1-flowered, awnless, sessile on one side of a simple slender 
spike, the rhachis of the spikelet articulate above the outer glumes, 
and not produced beyond the flower. Outer empty glumes 2, linear, 
membranous, nearly equal, persistent, the lowest flat with a prominent 
midrib, the 2nd keeled. Flowering glume shorter, broader, thin and 
hvaline. Palea nearly as Jong, narrow. Grain smooth, enclosed in the 
glume and palea, free from them 
The genus consists of very few species spread over the tropical and subtropical 
regions of the New and the Old World, the Australian species having the gene 
range of the genus. The very thin and reduced flowering glume and palea connect 
it with Andropogoneze, but the articulation of the spikelet is above not below the 
outer glumes. 
1. M. setacea, R. Br. Prod. 208.—Stems slender, tufted, from 3 
or 4 to 8 or9 in. high. Leaves convolute when dry and almost filiform. 
Spike 1 to 3 in. long, verv slender and curved. Spikelets appressed ? 
the rhachis, rather more than 1 line long. Outer glumes narrow and 
N. Australia. N. Bay, R. Brown. Not seen in any other Avante 
collection and the above character taken from Indian specimens, where it 18 y 
spread, as well as in tropical Africa and America 
72. CYNODON, Pers. 
Spikelets 1-flowered, awnless, singly sessile in 2 rows on one side wi 
slender spikes, digitate at the end of the peduncle, the rhachis of the 
spikelet articulate immediately above the outer glumes, and either ret 
produced beyond the flower or continued into a minute point behin 
narrow or rather broad, the 2 nerves prominent, distant or closely con- 
tiguous. Grain smooth, enclosed in the glume and palea, but free from 
, A genus of very few species, and perhaps none really distinct besides the Austra- 
lian ones, Of these one is a common UL emos oviral hot countries, another 
