CYPERACEAE 
eee OLIGOCARPAE 
Represented by one species in our are 
XIX. GRANULARES 
Rootstock not long-creeping : staminate ‘spike short- 
peduncled : 
cheat not prolonged upward at mo 
Perigynium nerved, 3-3.5 mm. long, very short- 
beaked, the orifice nearly entire: n Spikes 
5-6 mm. wide: leaf-blades 1.5-3 m i 
Perigynium ribbed, -4.5 O e 
beaked, the orifice emarginate rset spikes 
about 7.5 mm. wide: leaf-blades 3-6 mm 
x 
Perigynium elliptic, 1.5 mm. wide: leaf-blades 4 mm. 
wide less: bract-sheaths rough and peduncles 
ery rougn. 
Perigynium oblong or peerage oe d, 2-2.5 mm. wid 
lea : bract- ee pions 
B 
a 
5B 
O 
w: 
& 
B 
(D 
8g 
i 
: larger Spikes normally 
E than -flowe lower scales usually 
equalling perigynia: bract-sheaths tight. 
Culm strongly purplish-tinged base: peri 
des 2-4 
Spikes widely Sera: the ipa 
n 
Culm brownish- tinged at the base: perigynium 
i m eaf-blades 4-6 mm. poss spreading: 
Eu not nearly basa 
Leaf-blades glaucous: larger paves more than 
wered : lower scales shorter than perigynia : 
a enlarged upward. 
Tip of achene bent: pe o ca 3-5 
exceeding sea 
Tip of achene straight: Doisenfunr 4.5-6 m 
long, two to three times exceeding the Scale 
mm. long, 
XXI. GRACILLIMAE 
Plant glabrous: lowest bract i short-sheathing: 
perigy mm. long or 
Sheaths, and often foliage, M HAN at least lowest 
bract strongly sheathin 
Terminal spike gynaecandrous : pistillate scales not 
reddish-brown: lowest bract, at least, 
. : . thick, strongly nerved, 
short shallowly bidentate beak: P 
eral xps cl cept at bas 
M aie acuminate or short- -cuspidate: 
ee Sa .D-4 mm. long, less than 2 
vide, little swollen: spikes linear- 
cyli ndric. 
Upper scales long-cuspidate: perigynium 4-5 
mm. ong, more than 2 mm. wide, strongly 
spikes linear-oblong or oblong- 
. thick, pee nerved, beak- 
ral spikes. alter- 
lower braci n nn gly 
eathing: leaf-blades 1.5- 2.5 m 
Termi en spikes staminate : pistillate Scales ‘reddish- 
brown-tinged : lowest bract not sheathing. 
199 
. C. oligocarpa. 
. €. granularis. 
. C. Crawei. 
. C. microdonta. 
. C. conoidea. 
. C. amphibola. 
. C. grisea.’ 
. C. glaucodea. 
. C. flaccosperma. 
. C. prasina. 
. C. oxylepis. 
. C. Davis. 
. C. aestivalis. 
. C. misera. 
