516 
CYPERACEJE. (SEDGE FAMILY.) 
6. Eleocharis. Achenium crowned with a tubercle jointed with 
its apex, consisting of the bulbous persistent base of the style. 
Head solitary, terminating the leafless bractless culm. 
7. Scirpus. Achenium naked at the apex, or pointed with the con¬ 
tinuous simple base of the style. Perianth of 3-6 bristles. 
Heads mostly more than one and lateral or bracted. Culms 
leafy at the base. 
8. Eriophorum. Achenium, &c., as in Scirpus. Perianth of 6- 
many long and tufted woolly hairs. 
* * Perianth (bristles) none. 
9. Fimbristylis. Style bulbous at the base, deciduous, with (or 
rarely without) the jointed bulb, from the achenium. 
Tribe 5. RHYNCHOSPOR^^E. — Flowers perfect or polyga¬ 
mous. Scales of the few-flowered spikes irregularly several- 
ranked, many of the lower empty, and often the upper sterile. 
Perianth of bristles or none. Stems leafy. 
* Achenium beaked with the dilated persistent style or its base. 
^~p er * ant k none: style 2-cleft: achenium wrinkled transversely. 
silocarya. ®P^ es many-flowered, ovoid, cymose, naked. 
11. Dichromena. Spikes few-flowered, flattened, capitate. 
0 **“■*" Perianth of about 6 bristles. 
- ’ eratosc hg:nus. Style simple, all persistent in the awned beak. 
hynchospora. Style 2-cleft, the broad base only persistent. 
i . * * Achenium without a beak ; the style deciduous. 
14. Cladicm. Achenium globular : no tubercle. Style 2 -3-cleft. 
Tribe 6. SCLERlfeiE. — Flowers monoecious: the fertile spikes 
1-flowered, the staminate several-flowered. Achenium nut¬ 
like, globular. 
Sc leria. Achenium bony-crustaceous, resting in a shallow 3- 
lobed and cup-shaped disk. 
Tribe 7. CARfCEiE. Flowers monoecious in the same (andro- 
g) nous) or separate spikes, sometimes dioecious. Proper peri¬ 
anth none. Achenium inclosed in a sac (composed of two unit- 
e d inner scaleSy perigynium), lenticular or triangular. 
10 . L-arex. Fertile flowers without a bristle-form hooked appendage. 
1* C\ PERIJS, L. Galingale. 
Spikes many — few-flowered, variously aggregated in heads 
uhich are disposed in a simple or compound terminal umbel. 
Scales 2-ranked (their decurrent base usually forming margins or 
wings to the joint of the axis next below), deciduous with age. 
