CAREX. 379 



63. C. Pseudo-cyperus (L.); fertile spikes about 5 drooping 

 cylindrical densely -flowered upon long stalks near together, 

 brads leaflike scarcely sheathing, gl. setaceous scabrous dilated 

 at the base,/r. ovate-lanceolate ribbed narrowed into a deeply 

 bifid beak, nut elliptical triangular, st. with acute rough angles. 

 E. B. 242. Schk. Mm. 102. H. b. 56. R. 275. St. 23 feet 

 high. Fertile spikes H 2 in. long. Damp places, rare. P. VI. 



E. I. 



tttt Beak of hairy fr. terete or compressed with patent cusps. 

 Barren spikes 2 or more. 



64. C.filiformis (L.); barren spikes 2, fertile 3 or 4 remote 

 erect sessile oblong, bracts leaflike lowermost slightly sheathing, 

 gl. oblong-ovate cuspidate and ciliate at the point, fr. downy 

 oblong-ovate narrowed into an obliquely truncate beak with 2 

 lateral points, nut narrowly elliptical narrowed at both ends 

 subtrigonous, 1. slender channeled. E. B. 904. Schk. K. 45. 

 H. b. 31 . R. 265. St. 2 feet high. L. with filamentous sheaths 

 below. Lowest spike rarely stalked. Peat-bogs. P. V, 



65. C. hirta (L.) ; barren spikes 2 or 3, fertile 2 or 3 remote 

 erect oblong-cylindrical stalked, bracts leaflike the lower with 

 long sheaths nearly equalling the peduncles, gl. elliptic-lanceolate 

 with long slender ciliated points, fr. hairy oblong-ovate narrowed 

 into a deeply divided beak, nut obovate narrowed below trian- 

 gular, I flat hairy. E. B. 685. Schk. Uu. 108. H. b. 58. R. 

 257. St. H 2 feet high, leafy. L. and sheaths shaggy, rarely 

 glabrous. Fr. tawny. Occasionally the spikes are compound at 

 the base and very long-stalked, and the gl. much lengthened. 

 Wet places. P. IV. Hammer sedge. 



ttttt Beak of fr. glabrous, terete, striate, with patent cusps, or 

 2-toothed. Barren spikes many, rarely 1. Bracts not 

 sheathing. 



J Barren spike 1. Stigmas 2. Beak offr. 2-toothed. 



66. C.pulla (Good.); barren spikes 1 (rarely 2), fertile 13 

 roundish -ovate lower one stalked bracteated sheathless erect, fr. 

 ovate obscurely veined inflated, beak short, nut roundish mucro- 

 nate, gl. bluntish. E. B. 2045. Schk. Cc. 88. St. 68 in. 

 high. Gl. dark purple tipped with white, midrib dark purple. 

 Fr. dark purple paler at the base, longer than the gl., stalked. 

 C. saxatilis (Linn. Herb.), but Andersson says that the true 

 plant is C. rigida. Wet parts of the higher Scottish mountains. 

 P. VI. S. 



67. C. Grahami (Boott) ; barren spikes 1 or 2 slender acute, 

 fertile 2 or 3 ovate obtuse lower one stalked bracteated sheath- 



