CXLIV. GRAMINEX. 459 
Sus E V. Hor ces.—Spikelets l- or several-flowered, sessile on the oppo- 
site ides v a alternate yrs of the rhachis of a simple spike. Glumes entire, awned 
or 
— sev tak ep ec flat, one side or face of the 
sia t to the continuous scarcely notched 
9. AGROPYRUM. 
sadi es eral- flowere d, flat, “one edge of the spikelet 
o the con ntinuous notched ac 100. Loriux. 
Spikelets 1. or 2-flowered, with gen produced 
die is flower, halt ened in the notches of 
€ or less articulate r 
Spikelets E “lower ed, m brodita male | or neuter, 3 
together in the erem of the rhachis of 
dense afiada spike 4 wore 4 102, Boma 
Of the ose. ge tribe Bambusaceze, so generally spread over the tropical 
regions of the New as well as the Old World, no representative has as yet been 
detected i in Australia 
. 101. LEPTURUS. 
feathery stigmas. Grain enclosed in the harde ned c or stiffened upper 
glume and palea, but free - them. Awns rare and when present 
Pani with Andropogonew in the articulation of the rhachis of the 
jela t Pa b below usually immediately under the lowest or outer glume, 
iffering chiefly in the "live consistency and development of the innermost an 
Outermost glumes, as well as in the twisted and bent awns frequent Sram prins 
constant) in opogonez, but never im in Panicew. The only slightly 
exceptional genera in P are — and Stenotaphrum, where th 
g glume = md not so 
ly 
pogonez, and Cenchrus and some pres involucrate genera, bae the 
articulatia Se is Daio the involucre. 
1. PASPALUM, Linn. 
ro Pikelets l-flowered, not awned, not callous at the base, in 1 or 2 
Ws along one side of slender spikes, either forming the branches of 
x ^ imple panicle, or rarely solitary. Glumes 3, 2 outer ones empty, 
ually membranous and equal or nearly so, the 3rd flowering of a 
. Wer texture. Palea within the flowering glume smaller and more 
'nvolute. Styles distinct, rather - Grain enclosed in the hardened 
Palea and flowering glume, and free from them, 
jee, tropical and gusce in sects are emet pigri ical 
Tegions of the OH World, and one isalso in America 
