364 96. CYPERACE-E. 



5 E. gracile (Koch) ; st. subtriquetrous, peduncles downy, I. 

 narrowly linear triquetrous, nut ahXon^-linear triquetrous. — 

 E. B. S. 2886. B. viii. 290. E. triquetrum Hoppe, St. 10. 2. 

 — A tall slender plant. Spikes about 4, most of them on 

 downy not scabrous stalks. Gl. with many ribs. Bristles about 

 twice as long as the spike. — Bogs. Halnabjj Yorkshire. White- 

 moor Pond, Guildford. P. VI. VII. E. 



Tribe III. Elynem. 



9. KOBRESIA Willd. 



1. A', cancraa (Willd.).—E.B. 1410. ScM. Rrr. 161. il. viii. 

 193. — St. erect, 6 — 12 in. high. L. slender, falling short of the 

 stem. Spikes 4 — 6, aggregated at the summit of the stem, 

 6 — 8-flowered. There is an abortive stam. (?) at the base of the 

 nut ; but some authors, considering each fl. as a separate spike, 

 think that this represents a second flower. — Moors. Yorkshire. 

 Durham. Perthshire. P. VII. E. S. 



Tribe IV. CaricecE. 



10. Carex Linn} 



i. Monostachyce. Spike simple, solitary. 



* Diizcious. Stigmas 2. 



1. C dioica (L.); fertile spike ovate dense, /r. ascending 

 ovate many-veined angles rough near the top, nut roundish 

 oval, terete st. and 1. roughish, stoloniferous. — E. B. 543. Schk. 

 A. 1. H. a. 1. R. 1,94. — About 6 in. high. Sometimes the 

 barren spike has fruits at its base.— Spongy bogs. P. V. VI. 



2. C. Davalliana (Sm.); fr. deflexed ovate-lanceolate angles 

 rough near the tO|i, nut " linear-oblong," st. and margins of 

 the 1. rough, cffispitose. — E.B. 2123. R. 194.— About 6 in. 

 high. — Lansdown near Bath : now lost by drainage. P. VI. E. 



' In the following descriptions fruit means the persistent bottle- 

 sbaped perigone, including the ripe nut or true capsuie. l^e glume is 

 always taken from tlie fertile spike unless it is otherwise stated. Schk. 

 refers to the plates of Schkuhr's Riedgrdser ; H. to Hoppe's CaricoL 

 Germ, in Sturm Deuisc/U. Flora ; and li. to Reichenbach Ic. Fl. Germ. 

 Cent. viii. See also for excellent Monographs Andersson's PI. Seand., 

 and Lang in Liimaa, xxiv. 481. 



