266 MONOECIA TRIANDRIA. Carex. 



sheathing, triangular, very narrow. Stip. very short and blunt. 

 Spike linear, erect, blunt, solitary. /Sca/e* brownish. Stam. slender. 

 Auth. long, sulphur-coloured. Stig. two : Is. and culm (straw- 

 stem) smooth. Fern, spike becomes egg-shaped, or roundish. 

 * * Spike solitary, simple. 



C. pidicdris. Fleu^ C. Spike simple ; florets in the 

 upper half with stamens ; in the lower with stigmas. 

 Fruit spreading, bent backwards, polished, lengthened 

 out at both ends. Stigmas two. E. B. 1051. H. 

 L. 177. Schk. Car. 9. A. 3. Host, t. 75. 



Spongy, muddy hogs. Peat bogs on Bullingdon Green. Sb. 



Per. June. 



The dark-brown, bent back, highly polished seed-cases give this 



species a very characteristic appearance. Stem simple, slender, 



from three to ten inches, sheathed at the base, with several 



slender, smooth, spreading leaves. 



The fibrous root at all times distinguishes this from Car dioica, 

 the root of which is creeping. 



* * * Spikelets croivded, each composed of barren and fertile florets. 



Stigmas two. 



C. stelluldta. Little Fruit-Prickly Pointed C. Spike- 

 lets three or four, roundish, shghtly distant. Barren 

 florets at the base. Fruit diverging, with a tapering, 

 scarcely divided beak. E. B. 806. Schk. Car. 45. 

 C. 14. Host, t. 5S. C. echinata. Sb. 28. 



Boggy meadows. Peat Bogs on Bullingdon Green. South-Leigh 

 Heath. Sh. 



Per. June. 



Root fibrous. Stem six to twelve inches, erect, simple, except at 

 the base, triangular. Ls. flat, keeled. Spikelets compound, all 

 at nearly equal distances. A leafy bractea generally under the 

 lowest spikelet. Glumes, egg-shaped, wdth a white edge, and 

 broad, green nerve. Fruit ending in a rough-edged beak,^ 

 notched at the end, but not deeply cloven, nor gaping. 



( Gar ex curta. See Appendix. ) 



C. ovdlis. Oval-spiked C. Spikelets about six, oval, 

 crowded, alternate, with a bractea under the lowermost. 

 Fruit spear-shaped, rough-edged, bifid, slightly furrowed, 

 nearly entire, the length of the spear-shaped, acute 

 scales. E. B. 306. Schk, Car, 39. B. 8. Host, t. 

 51. C. leporina. Sb. 27. 



Marshes, watery meadows. Peat Bogs on Bullingdon Green. South- 

 Leigh Heath. Sh. Between Headington Quarry and Shotover 



' From its flea-like appearance. 



