532 CYPERACEAE 



5. Loddon. Bog near Windsor Great Park, Johnson's Gerard. On 



the i:)eat bogs in Sunningwell in great plenty, Lighffoot, 1762. 



Schoenus cdbus, Buhnarsh Heath, Rudge in Bot. Guide. Windsor 



Great Park, Gotobed in Bot. Guide. Bagshot Heath, Doody in Ray, 



Syn. ed. 2, 345 (1696). Wellington College, Penny. Sunning- 



hill, Sir J. Banks in Herb. Brit. Mus. 1773. Near Sandhurst. 



Easthampstead Plain. Broad Moor. Wild Moor Bottom. Near 



Bracknell. Crowthorn. 



The var. sokdida, Synie, 1. c, distinguished by the pale-brown 



sjiikelets, also occurs, as at Broadmoor, &c. ; but it merges imperceptibly 



into the type, and may not be identical with the sordida of continental 



authors. 



Rynchospora alba, which is now extinct in Oxfordshire, is recorded 

 for Surrey, Hants, and Wilts. 



SCHOENUS, Linn. Gen. n. 60 {Cyperella, Mich. 31). 



S. nigricans, Linn. Sp. PI. 43 (1753), and Herb. Bog Rush. 



Top. Bot. 436. Syme, E. B. x. 43, t. 1529. Nyman, 760. Baxt. t. 268. 



Fl. Oxf 317. 

 Native. Uliginal. Bogs and marshes. Very local. P. June-July, 

 First recorded from near Oxford in bogs in Dr. Lighffoot' s MSS. 1770, 

 and by Mr. Bicheno in Mavor's Agr. Berks, 1809. 

 2. Ock. Near Marcham, Walker. Frilford Bog, plentiful. Abundant 

 in Cothill Marsh. 



4. Kennet. Near Newbury, Bicheno [the place was doubtless Green- 



ham Common, where it still occvirs]. Kintbury, Reeks. 



5. Loddon. Bagshot Heath, Dickson's Fasc. and Lond. Fl. 88. 

 Schoenus nigricans is recorded for Oxfordshire, Buckinghamshire, 



Surrey, and Hants. 



[Cladium jamaicense, Crantz, Inst. i. 362 (1766). Schoenus Mariscus, Linn. Sp. 

 PI. 42 (1753). Cladium Mariscus, R. Br. Prod. Nov. Holl. 236. Syme, E. B. 

 X. 44, t. 1580. Is recorded for Hampshire.] 



CAREX, Linn. Gen. n. 928 {Cyperoides, Tournefort, Inst. t. 299). 

 C. dioica, Linn. Sp. PI. 972 (1753). 



Top. Bot. 448. Syme, E. B. x. 78, t. 1610. Nj^man, 784. Fl. Oxf. 331. 

 Native. Uliginal. Bogs. Rare. P. May -June. 



First record. Gr. Cyperoides spica echinata simpUci. Two miles south- 

 wards from Oxford, in the boggs, Merrett, Finax, 52, 1666. Gramen 

 cyperoides minimum Ranunculi capituJo rotundo, fi'equently found on 

 the Bogs on the West side of Oxford, Bobart in Ray, Syn. 235, 

 1690. C. dioica, scarce, Dr. Noehden, Mavor's Agr. Berks, 1809. 

 2. Ock. See Merrett and Bobart, but it is rare and local now. 

 Wootton, Boswell. Cothill. Frilford. Tubney. » 



