9. CYPERACEiE. 32. Car ex. 
53 
PI. end.ph. 
Gramen cyperoides majus angustifolium, liaii Syn. 417, polyst. 2; Qer, 
ew. 29 ; Park. 1 205. 
Carex acuta /3, Lin. S. P. 1388. 
Carex gracilis, Curtis FL Lond. 4, 62. 
Carex acuta, Goodenough , L. T. 2,203. 
Watery places ; perennial; May. 
Hoot creeping; culm 2 feet, high; leaves narrow, pale 
green ; male spikes 2 or 3, slender ; female 3, slender, 
drooping at first, but afterwards upright; glume acute, 
nearly as long as the fruit. 
P. minor. Culm not 2 inches high. 
y. major. Male spikes very large, numerous ; glumes 
^wned, longer than the fruit. 
monstrosa. Stamens exserted from the spathellules. 
II. 33. TRASUS. Sedge. 
Spathelle one, imbricate all round ; spathellules 2, sol- 
dered at the edge, persisting, becoming cartilaginous ; 
stamens 2 or 3; style 1 ; stigmata 3; akenium 3 -sided, in 
the soldered capsuliform spathellules. — Root perennial, 
fibrous or creeping; culm 3-sided; leaves rough on the 
edge and keel, sheathing; sheaths whole; bractece sheathing 
or amplexicaul ; flowers spiked ; spikes many, generally 
unisexual, in the 1st and 2d species androgynous, male 
flowers above, few, mostly sessile; female flowers below, 
numerous, either sessile or with footstalks. 
A synoptic view of the species. 
1. Spikes androgynous. 
Spike 1 , 4 or 5-flowered ; 
fruit reflected ; glumes deciduous T. pauciflorus. 1 , 
Spikes 3 to 5, female at top, upright 
when in flower, drooping when in fruit .... T. atratus. 2. 
2. Spikes of different sexes. 
a. Bractece membranous ; fruit downy. 
Male spikes footstalked, overtopping the 
female T. clandestine. 3. 
Male spikes sessile, overtopped by the 
female T. digitatus . 4. 
