164 CYPERACEH (Clarke). [ Cyperus. 
Subgenus II. acacia —Spikelets spicate, not digitate, nor solitary, 
nor densely cluster 
Sect. 7. Bhachilla of spikelets hardly winged 
(a y wi in C. di ye 
Perennials, with stolons: 
m stout; glumes imbricate . (28) latifolius. 
mbel large, open; ganas slender ; 
glumes distant .. (29) distans. 
Annuals : 
Searle umbel usually sitacike . (30) compressus. 
all; glumes with a long recurved oe (31) aristatus. 
Sect. 8. Rhachilla of spikelets winged ; 
stoloniferous : 
tolons . ee producing a bulb or 
‘ ube 
gpsncend contracted; stolons 
bearing bulbs . (32) usitatus. 
mbel open ; stolons bearing tubers ia aie) esculentus. 
Stolons hy har ardening into tough, wo 
rhiz 
Leaves and bracts short (occasionally 
cd 2 
Spikelets narrow; stem oe 
ked 
transverse-mar aes corymbosus. 
Spikelets nent hard; shining ... (85) natalensis. 
Lenten cing brac 
Stem erect, thiekened * the shi 
wa oat uberifer a . (36) rotundus. 
y thicken ary longus. 
Sect. 9. Rhachilla of oi winged talon ; 
plant tall; umbel sot 
seeriase an 8 br um ial 
Bra secondary umbel Q-4 in. long, 
since ou (38) fastigiatus. 
Bra ondary umbels 1-4 in. - Tong (39) immensus. 
Sect. 10. Bhachille “of spikelets win 
zome creeping ; plant tall; bracts sac ae: 
Umbel of 50-100 subequal ra rays .. ve (40) madagascariensis. 
1. C, tenellus Sogiee f. Suppl. 103); glabrous, slender, annual : 
f= 1-7 in. long, setaceous; leaves few, } as long as the stem, 
. lon 
setaceous, weak had x es (rarely 4) digitate si een bracts 
1-2, setaceou s, short, lower continuing the stem, rarely attaining 
u : y yz in. 
variable in length beeen asia zy i 
long. Néae in Linnea, vii. 513, x. 132; Steud. +n Flor a, 182 839, 152 
Benth. Fl, Austral. vii. 265. ©. lateralis, Linn. f. "Suppl. 102. 
C. pyymeus, Lam. Ill i. 143. C. minimus, Thunb. Prod. 18; l- 
