212 CYPERACE® (Clarke). (Scirpus. 
Spikelets 3-1 peeed 4): 
Leaves ev 
Spikes clips to scrbags ate : 
mip: mu 
= reen, pvacentel ... (17) cernuus. 
Stems bl ck when 
eapillar (18) subprolifer. 
Stems black when a 
ick, flaccid .. (19) rivularis 
es mucronate wae ... (20) Karro oak 
Spikel - s globose re see . (28) pinguiculus. 
cake es seconde a 
By s 
smooth or Ariane 
. (21) Neesii. 
ptanh cul: 22) trachyspermus. 
Small. plants ; alge ith a ae of 3-10 “(rarely 
1-2) small spikelets 
Glumes enemy » not shir 
e 3 the ‘th of ty stem... . (25) incomtulus. 
Low ve 
in. lon 
not faites ite capillary, black... (24) griquensium. 
Rh very slender; stem pale ... (26) ex pallescens. 
Glumes hard, shining! with prominent curved 
red linear ina ; 
Glu ous ... sas oe ... (27) antarcticus. 
lumes mucronate ... (28) dregeanus. 
Plants stouter than in aan two preceding 
groups, 
with a or reg 
Leaves pre 
Les aves Tong, baa ask 7 mae ... (29) flaccifolius. 
. long, r fee pe on membranaceus. 
Leayes none : 
Bract overtopping the head : 
Spikelets = ae i ae a nodosus. 
Spikelets linear-oblo .. (32) dicecus. 
Bract much shorter than she ‘hai ad. . (33) prolifer. 
Group 4. Style 3-fid. — abs spikelets umbellate 
(often solitary in 8. Holoschenus 
a ak bracts 3-1, ver short s2 .. (34) Holoseheaus 
es long ; bracts 4-8, 1 ie ... (35) Burkei. 
Subgenus III. Ev- ere Stem wi “a hanes at the base only or leafless. 
. yr heads umbellate. Hypogyuous 
bristles often present. Style a and its hoes Adan Fertile flowers usually 
sexual, 
Hy ay Hani br a rotons wanting or rudimentary. 
eac | solitary, | al: 
ikele $ re 
ut tra sversely si ast: =r ... (36) supinus. 
N ut abacarely ie . (37) qu uinquefarius. 
any ", (38) articulatus. 
Heads several , corym mbo ose, or one compoun nd : 
Glume ae aminate into x very long mucro . (39) varius. 
Glume acute or 1 i mucronate , (40) corymbosus. 
Hyyogynons te tles 4 as the nut, “nearly 
ways present : 
‘Teas ny ger a the stem, linear-setaceous : 
ma i ) ficinioides. 
Heads sarah “usually agglomerated .. oe i * tas) falsus. 
