CYPERACEAE 
Rootstock long-creeping: scales 
ee ed. 
Rootstoc long-creeping : 
scales ercenieh or reddish- 
Prosa: -tinged. 
Perigynium triangular, taper- 
e Vip A elosely 
t5 
Perigynium with dum oma ny 
strong nerves or Der voloss, 
bcm 
riate. 
Bede suborbicular in 
cross- oom: rounded at 
the 
Parle nica with few-many 
strong nerves, rather 
p enveloping the 
Perigynium finely  many- 
str 
Pistillate spikes elongate, linear to 
cylindric, E -peduncled, the 
lower droopin 
ae bea iles or short- 
bea ; terminal DIES gynae- 
nance 
Perigynium conspicuously or 
strongly beaked. 
Culm strongly reddish-purple- 
panic at the base, aphyllo- 
Cam p. strongly reddish- 
purple-tinged at the base, 
yllopodic. 
Lowest vee SPEARE to strongly green- 
sheathing: if green-sheathing, peri- 
Ey iu 1 ds entate non- 
hyaline apex and sti 
no. A least the yee sheaths) pu- 
roe perigynium-beak not biden- 
Foliage not pubescent (save in. some 
ged. 
'Terminal RD staminate: scales 
rough-awne 
Perigynium strongly beaked, the 
b usually strongly biden- 
tate; or if not so, the achene 
lent tic ular 
Achene lende lar: stigmas two. 
Scales not long-aristate : achene 
not constricted in middle. 
Scales long-aristate: achene 
d constricted in the 
Archene ta N stigmas three. 
Style jointed with the achene; 
perigynium strongly pubes- 
Cit to glabrous, coriaceous. 
Style aa aa with the 
Pericvntuni coriaceous (im- 
B nerved in our 
Perigy Hm pea dn the 
nerves ribs not im 
presse ed. 
XVII. 
XVIII. 
XXII. 
XXIII. 
XXIV. 
XXV. 
XXVI. 
XXVII. 
XXVIII. 
XXIX 
XXXI. 
XXXII. 
. PANICEAE. 
LAXIFLORAE. 
OLIGOCARPAE. 
. GRANULARES, 
GRISEAE. 
. GRACILLIMAE, 
SYLVATICAE. 
LONGIROSTRES. 
VIRESCENTES, 
ANOMALAE. 
ATRATAE. 
SHORTIANAE. 
PENDULINAE. 
. ACUTAE. 
. CRYPTOCABPAE. 
HIRTAE. 
PALUDOSAE. 
