CYPERUS. 
447 
6. SciEPUS. Glumes nearly equal ; or 1 or 2 lowest broader, 
empty. Bristles about 6 or 0. Kut plane-convex or tri- 
gonous ; base of the style filiform, not dilated. 
T. Blysmus. Two lowest gl. broader, and empty. Bristles 
3 — 6. Nut plane-convex, tipped with the not dilated base 
of the style. Spikel ets with hracts, alternate, forming a close 
distichous compoxnul terminal spike. 
tt Bristles ultimately much exceeding the glumes. 
8. Eeiophoeum. C41umes nearly equal, lowest sometimes 
empty. Bristles ultimately silky. Nut trigonous. 
Tr. III. ELYFE^E. Fl. unisexual. Perianth 0 or formed of 
1 or 2 scales. 
9. KoBEESiA. Spikes close together. Lower fl. fem., peri- 
anth of 1 scale enclosing the germen and covered by the 
glume. Upper fl. male, without any perianth. 
Tr. IV. CARICE^E. Fl. unisexual. Nut completely enclosed 
in the bottle-shaped perianth. 
10. Caeex. Fl. in imbricate spikes, each covered by a 
glume. Female fl. with a single bottle-shaped persistent 
perianth, 1 style and 2 — 3 stigmas. Male fl. of 3 stam., 
without a perianth. 
Tribe I. Cyperece. 
1. Cype'eus Linn. Galingale. 
1. C. lon'gus (L.) ; spikelets linear-lanceolate in twice-com- 
pound umbels, peduncles of partial umbels erect unequal, stig- 
mas 3,_ creeping.— i:. B. 1309. .S'i!. 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.fus'cus(L.); spikelets linear-lanceolate in small round- 
ish heads at the extremities of the branches, gl. spreading, stig- 
mas 3, root fibrous. — E. B. S. 2626. St. 52. 5. — A small nearlj^ 
prostrate plant. Stems many, 2 — 5 in. long. Heads with 3 
unequal 1. at the base. Glumes fuscous with green keels. — 
Formerly at Little Chelsea, ^Middlesex ; Shalford Common, 
Surrey. Somerset. Dorset. S. Hants. Jersey. A. VIII. 
IX. E. 
