388 97. CIPEKACE^. 



ties 3 — 6. Nut compressed, crowned with the persistent 

 dilated base of the style. 



6. SciBPUS. Glumes nearly equal ; or 1 or 2 lowest broader, 

 empty. Bristles about 6 or 0. Nut plane-convex or tri- 

 gonous ; hase of the style filiform^ not dilated. 



1. Bltsmtjs. Two lowest gl. broader, and empty. Bristles 

 3 — 6. Nut plane-convex, tipped with the not dilated base 

 of the style. Spihelets with bracts, alternate, frnming a close 

 distichous compound terminal spike. 



tt Bristles ultimately much exceeding the glumes. 



8. Ebiophoetjm. Glumes nearly equal, lowest sometimes 

 empty. Bristles ultimately silky. Nut trigonous. 



Tr. III. ELTNEjE. F1. unisexual. Perianth or formed of 

 1 or 2 scales. 



^. 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. 



Tx.l^. CARICE^. Fl. unisexual. Nut completely enclosed 

 in the bottle-shaped perianth. 



10. Oaebx. 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. Cyperem. 



1. Cype'etjs 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.—^. B. 1309. St. 62. 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'cits (L.) ; spikelets linear-lanceolate in small round- 

 ish heads at the extremities of the branches, gl. spreading, stig- 

 mas 3, root fibrous.—^. B. S. 2626. St. 52. 5.— A small nearly 

 prostrate plant. Stems many, 2 — 5 in. long. Heads with 3 



