42 
32. Carex. 9. CYPERACEiE. 
PI. end. ph. 
Style not jointed, deciduous; 
glumelles setaceous, shorter than the glume. 
Ch^tqspora. 38. 
Style jointed, persisting, dilated at bottom ; 
glumelle setaceous, shorter than the glume. 
Rhyncospora. 39 . 
3. Glumes imbricate all round ; flowers hermaphrodite ; 
glumelles none , or bristlelike . Scirpidece. c. 
Style jointed, persisting, dilated at bottom ; 
spathellules 4, setaceous, shorter than the glume 
Eleocharis. 40, 
Style not jointed, deciduous; 
glumelle none * Isolepis. 41. 
Style not jointed, deciduous ; 
spathellules 4 or 6, setaceous, shorter than the 
glume Scirpus. 42. 
Style not jointed, deciduous ; 
spathellules 6, setaceous, denticulate, longer than 
the glume Trichophorum. 43. 
Style not jointed, deciduous; 
spathellules many, setaceous, woolly, longer than 
the glume Eriophorum. 44. 
A. Carice^:. Spathelles imbricate all round the spike ; 
flowers unisexual ; akenium inclosed in the hardened glu- 
melle. 
Roots generally diaphoretic, demulcent* and resolvent, 
and may be substituted for sarsaparilla. 
I. 32. CAREX. Carex . 
Flowers monoicous or dioicous, spiked ; spikelets andro- 
gynous or unisexual; spathelles imbricate all round ; spa - 
thellules two, joined by the edges, perforated at top, per- 
sisting, cartilaginous ; stamens 3 ; style 1 ; stigmata 2 ; 
akenium 1, inclosed in the persistent spathellules.— Root 
perennial, fibrous, or creeping; culm 3-sided; leaves sheath- 
ing, rough on the edges; sheath whole; bractece mostly 
embracing the stem, not sheathing; spikes simple or com«* 
pound, mostly androgynous. 
