Carex.) CYPERACEZ. 1129 
Fruit compressed laterally Pycreus 
Fruit compressed dorsally............sc.s:s00eceses 
tStyle 3-fid, very rarely (Cyperus § Anospor get sans ae 
then casually 2-lobed ; fruit trigonous :—[p. 1128] 
Rachilla of spikelet persistent .........s..cecceesceee Cyperus. 
i id 
ie 
Fruit-bearing glumes not nied fruit broadish 
Mariscus. 
Fruit-bearing glumes winged on the keel; fruit narrow 
isi 
*Flowering glumes spirally arranged :-—[{p. 1128] 
Base of style constricted or articulate above the fruit :— 
Stem leafless ; ; hypogynous bristles usually present 
Eleocharis. 
Stem leafy at base; bristles 0 :— 
Style base persistent, or if deciduous not leaving a 
tumour on the fruit :— 
Glumes separable from the rachilla ...... whey ps6 
Glumes persistent on the rachilla ...... Echinolytrum. 
Style-base deciduous, leaving a tumour on oF fruit 
bostylis. 
Base of style passing gradually into the f 
Hypogynous scales 2, hyaline, antero- eer, undivided 
Lipocarpha. 
Hypogynous sealed 1- mt or 0, when 2 (Saibines rarely) then 
setaceous and lat 
sidoeiaco soils 6, divided to the base ca Ke 
seem Eri 
Ceres scales when present undivided :— 
Leaves hairy; hypogynous scales 6 or 3 or 0 
Leaves glabrous ; hypogynous scales 7-1 or 0 
Scirpus. 
1025. Carex Linn. 
: Per ‘rennial, glabrous, rarely pubescent, grassy sedges ; stems 
ae chiefly at the base. Spikelets solitary or nich one terminal, 
€ others lower down, rarely all clustered in terminal or axillary 
Panicles or compound spikes, 1-sexual or i ee a the lower 
