528 “CXLIV: GRAMINEX. [ Andropogon. 
lower part, bent back and very fine above the middle. Palea small and 
hyaline ornone. Glumes of the barren spikelets 4 or fewer, the outer 
one the Jargest and m any -nerved, the 2nd keeled, the 3rd and 4th 
all ái ntes; Styles distinet. 
Grain enclosed in the glumes but uec hem.—Grasses usually tal 
A large des gambrig spread over the warmer regions of the globe, with a few 
extratropical s both in the northern and southern hemispheres. Of the 
and the Philippines, the remainder are chiefly if not entirely endemic. It 18 nd 
xiii age heweved that when the Asiatic species come to be cee v cdretolly work : 
up so ers may be found to be too closely connected with Australian ones if no 
abudo identical. 
w 1. Gymnandrop pogon.— Spikes 2, 3 or more, neste at the end of @ 
pirena eid sheathing bracts, very rarely reduced to a single spike. 
Spikelets concealed or nearly so under copious long silky 
Spikes about 3 in. Mikelot pc 3 lines long . . 1. A. erianthoides. 
Spikes guts above pikelets scarcely 2 lines 
Long; silky } hairs on the back E theouter glumesas well à 
as on the rhachis and pedicels 2. A, sericeus. 
Long silky hairs only or chiefly on the rhachis and 
. 8. A. affinis. 
penis marked with a pit on the back 4; i. peri 
sepe silky dairy pe t the hairs not covering the 'spike- 
- piles 3or4 ina soe cluster, Outer glumes obtuse or 
iin 5. A. annulatus. 
Spikes 4 to 8 in a close cluster. Outer glumes 
acute Bi. pari iy . A. Ischen 
Spikes numerous, là echt axis elongated ML E 4 A: pase 
Reti brat ; h pedu ele within or above 
a Meplliss bract, ogon. Spikes 2 together on each p 
Spikes both sessile at the end of the peduncle. Awns 
_Slender short and glabrous or S em ric 
vnm een long, concealing the spikelets or nearly 
Spikes erect, Awns prominent. 
Leaves long and broad. Blame; il and 
E RED Endo MM. 
Leaves flat, narrow. Spikes “densely wool ea liga me ur 
Leaves wholly subulate or very nar d 1 tipoti ring 
oe long subulate points. Spikelets small . . 10. A. exaltatus. 
3 at length spreading MEUM. none or 
very fine an and scarcely projectin $ em «LAE d STG 
