CLVI, CYPERACEZ (CLARKE). 267 
Hypogynous scales 2 or 1 (not mere bristles), between 
the glume and the axis, anterior and posterior. 
Hypogynous scales 2, thin, minute . : : . 14. LipocarPHa, 
Hypogynous scale 1, anterior, thick, longer than the 
‘glume . : : : : : : . 15, ASCOLEPIS. 
Hypogynous scales 0, or when present not anterior and 
posterior. 
Inflorescence paniculate, sometimes reduced to 1 or 2 
heads nearly . : : ; : 5 . 13. FUIRENA. 
Inflorescence umbelled or in a head. 
Hypogynous bristles present. 
Style-base distinct from, but crowning the nut . 8, ELEOCHARIS. 
Style-base confluent with the pistil and nut =. 11. Scirpus. 
Hypogynous bristles 0. 
Nut elevated on a small obpyramidal dise within 
the stamens. : : : ; . 12. FICINIA. 
Nut subsessile. 
Style-base passing gradually into the pistil and 
muGe. é : : : : . 11. ScrrPvs. 
Style-base narrow-oblong, deciduous with the 
style . : : : : - . 9. FIMBRISTYLIS. 
Style-base ovoid or pyramidal not falling from 
the nut. 
Style-base large : : : ; . 8. ELEOCHARIS. 
Style-base minute, discoloured : . 10. BULBOSTYLIS. 
TRIBE III. Schoenece. Empty glumes at the base of the spikelet 3 or more ; 
fertile flowers usually 1 or few (sometimes many) ; inflorescence panicled or capi- 
tate, not umbelled. 
Style 2-fid : : 2 Z é a : . 16. RYNCHOSPORA. 
Style 3-fid. 
Nut-bearing flower manifestly axillary, low in the 
spikelet. 
Rhachilla of spikelet lengthened above the insertion 
of the lowest nut-bearing flower . . . 18. ScH@NUS. 
Rhachilla of spikelet not lengthened. 
Lowest flower of the spikelet perfect, nut- 
bearing . : : ; ‘ : . 17. CaARPHA. 
Lowest flower of the spikelet infertile, the next 
nut-bearing . - 3 “ : . 20. TETRARIA. 
Nut-bearing flower at the top of the spikelet, pseudo- 
terminal. 
Plant several feet high ; panicle long . 19. CLADIUM. 
Plant a few inches high; inflorescence capitate . 21. REMIREA. 
Sub-Order II. MAPANIE®. Spikelets with 1 terminal female nut-bearing 
flower: at the base of the spikelet 2 opposite boat-shaped glumes (male flowers) 
containing 1 stamen each; between these and the pistil (which has no perianth) are 
1, 0 or several glumes spirally imbricate which sre empty or the lower male.— 
Spikelets very small, imbricated in spikes themselves simulating the spikelets of large 
Scirpee. Inflorescence more or less scapose. 
. 22. HyPOLYTRUM. 
Inflorescence umbelled 
. 28. MAPANIA. 
Inflorescence capitate : 
Sub-Order III. Carrcex. Fertile flowers without stamens. Inflorescence 
panicled or capitate, not umbelled. Spikelet with but 1 female flower. 
