596 GRAMINEX (Stapf). [ Bragrostis. 
ae oe very obtuse, trun- 
subemarginate. ... (8) porosa, 
\| || Valves porn or violet with yellowish 
tips i. ... (9) bicolor. 
§§Spikelets 3-6- flowered, pallid 
Spikelets about 1 lin, br ad 
preading 
eS : he 
2p pyramidal cma cle 
axils . (10) Poa. 
spikelets ay ti bro ad, more 
mn the gr cankinated 
aba of an oblong panicle 
with oe _vingate branches and ; 
bearded (11) Wilmsii. 
eae ficeroclatens or ew 2-4- flowered, 
i 
isos and salt thin to very thin; 
Culms simple or sinionts Wi , 2-5-noded ; 
— es of panicles more or less 
Panicle ovat 14- . by 1-14 in., 
mewhat den Dnisee rigid ; ‘pedi- 
wr ies oe ae acute (12) sporoboloides. 
Panicle narrow, oblong to ‘Sbovoid- 
— 2-6 i in. by 1-2 in., very 
lax; ie rigs ed fezuows ; 
pedice 1 lin much 
ae hk peat or eis 
re 
pee long Mca from the 
sheat .. (13) Atherstonei. 
Panicle sory exserted from or 
nclosed the base in the 
uppermos ater << micrantha. 
sags? ranched, 5-6-noded ; 
tary . ‘the — sonst. ® as) Burchellii. 
Glames ae va firm, alm charta- 
s, shinnie s spikelets oblong (16) dura, 
77Glumes very une ja _ low often minute 
scale, or suppr 
Lower sheaths strongly compressed ; spikelets 
lin. b (17) plana. 
Lower pa - compressed ; spikelets 
2-4 lin. by 3-41 in. . (18) heteromera. 
1 
flowered on long and fine pedicels... ... (19) biflora. 
B. Megastachyzx. Bae: more or less rigid (exe ept 
sometimes in No. 28. E. gangetica) ; spikelets pate 
or oblong to it inear, 1-14 lin. ipa rarely broader, 
7 
tos 
*Perennial (see also No. 34. E. b ochcaba iis) : 
Blades more or less subulate, ieee? culms 
‘ rome and nodeless os the a 
I dense, ant clusters “alon c 
stout axis of a panicle : (29) eyperoides. 
Spikelets Benge Mec cemose on the spine-like 
brane icle, usually deflexed Fes ) spinosa. 
Blades neither ‘ni ate nor Mosier! culms 1- 
