458 97. 



15. C. paradox a ("VVilld.) ; spikes narrowly panided lower 

 branches rather distinct, fr. ovoid with many short elevated ribs 

 near its base, beak obliquely bidentate serrulate not split nor 

 winged on its back, nut rhomboidal constricted below doubly 

 convex with a short beak, style slightly enlarged at the base, st. 

 trigonous and rough above. E. B. S. 2896. Schk. E. 21. H. 

 a. 12. 7?. 222. Koot densely tufted, crowned with the fibrous 

 remains of decayed leaves. St. 1 2 feet high, slender. Bogs. 

 Near Mullingar, Ireland. Near York. Hoveton. Norfolk. P. 

 VI. VII. E. I. 



16. C. paniculdta (L.) ; spikes panided with long diverging 

 branches,/;-, ovoid faintly many-veined with a bind fringed beak 

 sfylit to its base and overlapping on the back, nut ovoid blunt nar- 

 rowed below plane-convex, beak slightly thickened upwards, st. 

 tnangidar.E. B. 1064. Schk. D. 20, Ttt. 163. H. a. 19. 

 jR. 223. Root forming dense elevated tufts. St. stout, 2 3 

 feet high. Panicle usually large and spreading or reduced to a 

 slender compound (or even simple) spike. Bracts all much 

 shorter than the spike. [V&r.riffida (Blytt) has spikes more rigid 

 darker-coloured and spikelets more crowded.] Bogs. P. VI. E. S. I. 



ttt Spikelets male at their base (or at both ends). 



J Sobole far-creeping. 

 [C. brizoides (L.) was probably an escape.] E. 



JJ C&spitose. Bractsleaflike. Lower spikelets distant, simple or 

 compound. 



17. C. Boenninghausenidna (Weihe) ; spikelets several upper 

 ones simple crowded lower distant alternately branched, fr. lan- 

 ceolate plane-convex tapering serrulate from beloiv the middle, 

 beak deeply split on one side, nut ovoid elliptic, gl. equalling the 

 fruit, root tufted, lower bract at least equalling the spike. 

 E. B. S. 2910. H. a. 34. Kunze Riedg. 22. It. 219. St. 12 

 feet high, triangular with slightly convex faces and rough edges. 

 Inflorescence often a foot long. Kachis straight, with 3 rough 

 edges. Gl. ovate, membranous, silvery brown, smooth. Lower 

 spikelets wholly male, male at both ends or at either end, 

 Bracts, except the lowest, short. L. channelled. Marshes and 

 pond-sides, rare. [Probably a hybrid between Sp. 16 & 19.] P. VI. 



E. S. I. 



18. C. axilldns (Good.) ; spikelets several upper ones simple 

 crowded lower distant densely compound, fr. ovoid-lanceolate 



