644 
CLVII. GRAMINEiE (Stapf). 
[. Panicum . 
Annual. 
Culms slender but not finely filiform ; blades 1-5 in. by 
1-4^ lin. ; fertile floret distinctly verrucose. 
Panicles open and loose with the ultimate divisions 
more or less spreading ; pedicels 1-4 lin. long. 
Spikelets ovate to elliptic-oblong, quite glabrous ; 
blades 2|-4| lin. wide. 
Culms leafy up to the panicle, somewhat wiry; 
blades firm, drying dark, very closely and 
finely nerved, 2-4 in. by 2|— 4| lin 
Culms leafy mostly below the middle, rather weak ; 
panicles long-exserted ; blades soft to flaccid, 
drying bright green or yellow, up to 3 in. by 
1^-2 lin., more loosely nerved 
Spikelets broad- or rotundate-elliptic, hairy ; blades 
1-1^ lin. wide. 
Spikelets with short and often scanty hairs 
Spikelets densely covered with long spreading 
hairs 
Panicles more or less open, but with the ultimate 
divisions contracted along the primary branches ; 
pedicels 1-2 lin. long 
Culms finely filiform ; blades up to f in. by f lin. ; spikelets 
ovate, acute, variegated, glabrous or sparingly 
pubescent ; fertile floret almost smooth 
V. Hiantes. 
Perennial. 
Upper glume and lower valve 7-9 -nerved. 
Panicle large, decompound, often 1 ft. long or longer ; 
culms simple, more or less stout, sometimes reed- 
like. 
Spikelets 1 lin. long ; upper glume narrow, long 
mucronate-acuminate, much exceeding the 
lower floret ; panicle hirsute below ; leaf- 
blades 1 ft. by 3|-4J lin. 
Spikelets 1-2 lin. long. 
Spikelets 1^ lin. long, slender, oblong-lanceolate ; 
a more or less reed-like grass with long wide 
blades (1-2 ft. by 5-10 lin.) 
Spikelets 1^-2 lin. long, somewhat turgid, ovate- 
oblong or ovate-lanceolate ; blades 6-9 in. by 
2-3 lin. ... 
Panicle much smaller and less divided, 3-7 in. long. 
Culms fastigiately branched above the simple base, 
lower internodes elongated, 'glaucous, more or 
less woody ; spikelets lf-2 lin. long ; glumes 
finely mucronate-acuminate 
Culms simple or nearly so, geniculately ascending ; 
spikelets 1^-1 |din. long ; acumen of upper glume 
laterally compressed, beaked. 
Culms 5-9-noded, wiry below, glabrous ; inter- 
nodes exserted or bared by the slipping off 
or the decay of the sheath ; spikelets up to 
1^ lin. long, yellowish-green 
23. P. suhlcetum. 
24. P. gracilicaule. 
25. P. lindleyanum. 
26. P. hystrix . 
27. P. vicini - 
florum. 
28. P.filicaule. 
29. P. Hanningtonii. 
30. P. plnragmi- 
toides. 
31. P. andbaptis- 
tum. 
32. P. Ruspolii . 
33. P. massaiense. 
