Fimbristylis.] CYPERACEE. 1151 
Nut conspicuously longitudinally striate 
Spikelets angular from the acute ee of the glumes 
ichotoma, 
arbi terete dip hylla 
oth :— 
Nut 
ioumick, very aisapetb obpyramidal, its tip eee 
distinguishable from the nut............02000s.ecee podoc 
Gyn ahaa re not piel nor distinguishable a pe 
nu 
Rhiz zome horizontal, woody; spikelets very obtusely 
ellipsoid or subglobose, many of them ee 
idula. 
Rhizome very short or 0, or plants annual ; hte ets 
cylindric or acutely ellipsoid or ovoid, always soli- 
tary :— 
Glumes acute, not incurved; spikelets slightly 
angular from the ed glumes ; i— 
Annual; more or less pubescent; nut straw- 
coloured estivalis 
Perennial ; nearly glabrous; nut finally pee 
iwcinux. 
Glumes obtuse, incurved; spikelets <diiawns um- 
bels usually contracted :— 
Nut pale ; spikelets eylitee solitary.....fer ruginea, 
lets mes cl 
So. imes  pabeaiiats 
tSpikelets, at ue some of them, clustered, never subglobose ; nin 
transversely waved or smooth, never longitudinally striate, and 
pale or brownish-yellow, not dusky :—[p. 1150] 
Stems with only one head; spikelets linear, cylindric, grey or 
whitish ; nut pale, smooth, or obscurely transversely wavy 
argentea. 
Stems with clusters of spikelets in subumbellate corymbs :— 
Spikelets both solitary and clustered, linear-lanceolate, rusty 
green ; nut yellow-brown, squamose-tuberculate 
ookeriana. 
pe from Fs in a cluster, ellipsoid-oblong, rete a 
ut pale, smoo wea 
*Style 3- i ; nut more or less trigonous ; sometimes (I. ideion 
only the lowest flowers in a spike have the style 3-fid, the others 
having it 2-fid :—{p. 1150] 
}Spikelets all, or nearly all, suihate :—[p. 1152] 
