CYPERUS.—CLADIUM. 347 
of 1 scale inclosing the germen and covered by the glume. 
Upper fl. male, without any perianth. 
Tr. IV. CARICEA. Fi. diclinous. Nut completely inclosed 
in the urceolate perigone. 
10. Carex. Fl. in imbricated spikes, each covered by a 
glume. Female fl. with a single urceolate persistent peri- 
gone, | style and 2—3 stigmas. Male fl. of 3 stam., without 
a perianth. 
Tribe I. Cyperee. 
1. Cyperus Linn. 
1. C. longus (L.); spikelets linear-lanceolate in twice com- 
pound umbels, peduncles of partial umbels erect unequal, stig- 
mas 3, root creeping.—E. B. 1309. St. 52. 10.—St. triangular, 
2—3 feet high. Umbel very large, lax, unequal, its base with 2 
or 3 long leaves. Glumes brownish-red, with green keels and 
pale margins.—South of England, rare. P. VIII. IX. E. 
2. C. fuscus (L.); spikelets linear-lanceolate in small roundish 
heads at the extremities of the branches, gl. spreading, stigmas 3, 
root fibrous.—E. B. 8. 2626. St. 52. 5.—A small nearly pro- 
strate plant. Stems numerous, 2—5in. long. Heads with 3 un- 
equal |. at the base. Glumes fuscous, with green keels.—Little 
Chelsea, Middlesex. Peat-pond, Shalford Common, Godalming, 
Surrey. Mr. J. D. Salmon. Jersey. A. VIII. IX. E. 
2. Scuanus Linn. 
1. S. nigricans (L.); st. round naked, spikelets 5—10 col- 
lected into a terminal roundish head overtopped by the lower 
bract, gl. scabrous at the keel—E. B.1121. Sz. 40. 9.—Root 
of strong black fibres. St. 8—12 in. high, clothed at the base 
with blackish-brown smooth shining scales some of which ter- 
minate in setaceous erect leaves which are shorter than the stem. 
Bristles variable in number, short, rough with upward spines. 
Stigmas 3. Anth. terminating in a pomt. Gl. dark-brown or 
black.—Turfy bogs. P. VI. 
Tribe II. Scirpee. 
3. Cuapium Pat. Br. 
1. C. Mariscus (R. Br.) ; panicles lateral and terminal repeat- 
edly compound, spikelets capitate, st. roundish leafy smooth, 1. 
rough on the margins and keel.—E. B. 950.—Root creeping. 
St. 3—4 feet high. L. very long, rigid, narrowed and triquetrous 
