308 
13. Outer glumes 3; flowering glumes hard 
uter glume 1; flowering glumes ni 
thin : 
14. Spikelets awnless or with straight awns 
oe with twi rem awns from 
ring glume : ~ 
owe - 
15. Spikelets nde ae 
16. Flowering glumes enclosing the erai in, 
as stiff as or harder than the outer 
nes 
Flowering: glumes and palea small, 
in and transparent 
very ; 
17. Glume gerer ie 3-nerved : fertile 
flow 
ermina 
Glume stróngiy keeled ; axis of spike- 
let projecting beyond vede 
18. Awn single 4à 
A wn absent or triple aie 
19. Lower glume a 
Lower glume without awn 
20. Awn on glume 1v 
Awns on glumes and ur. 
21. Setae present among spikelets 
0 setae among spikelets 
22. Two empty g t 
c> bSiuLle v We 5 
ones 
Three empty glumes 
23. Outer glume minute 
' uter glume well develope d 
23a.Rachis of carri flat prolonged 
beyond them 
Rachis not prolonged . 
24. Axis ending in a minute point ‘at back 
is o 
Axis bearing several “empty ‘short ly 
awned = above fertile flower 
25. Spike digitate 
Spikes distant in a a long. panicle 
26. oa. singly sessile or inden 
Spik 
ted in Leve 1 | sessile, 
1 pedicilla m 
7. Outer glume pacta. xd ba 
“eae 
Giume not pectinate 
8. Outer glume small, es Üiyaline ; Pe 
nches a 
panicle bra: wned .. Side 
Outer gime largs”  .. — —.. 
29. Spikelet scarcely indented; glume 11 stiff 
6. Panicum (p. 314). 
23. Zoysia (p. 318). 
15. 
24, 
19. 
2]. 
8. Oplismenus — (p. 
316). 
20. 
I: scho: (p. 313). 
. Panicum (p. 313). 
9. Setaria (p. 316). 
22. 
oo le 
3 Er 
5. Digitaria (p. 314). 
6. Panicum (p. 314). 
lla. Stenotaphrum 
(p. 317). 
1. Paspalum (p.313). 
57. Cynodon(p. 326). 
29. 
58. Chloris (p. 321). 
67. Lophatherum (p. 
329). 
27. 
SN 
31. 
6. Eremochloa — (p. 
32 
me 
1. Chamaeraphis (p. 
pee iM c 
29. 
30, 
