FLORA OF OXFORDSHIRE. 317 
4, Ray. Otmoor, Bicester, Merton, Noke, Marston. 
5. Isis. Wolvercote. 
6. Thame. Cowley, Iffley. 
Berks. South Hinksey, Cumnor. 
The aggregate, S. ramosum, Huds., was first recorded by Sibthorp, and is 
common and generally distributed. The plant has only recently been 
found to include the two preceding species, whose distribution in the 
county is only imperfectly worked out. So far neglectum appears to be 
the commoner plant. 
8. simplex, L. Bur-Reed. 
Top. Bot. 429. Syme, E. B. ix. 7. 1388. Nym. 758. Bx. 276. 
Native. Lacustral. Ponds, canals, and streams. Rather common. 
P. July. 
First record, Sib. 1794. 
3. Swere. Brooks and canals, T. Bees. March 3, Gull. Little 
Bourton, A. Fr. Clattercut. 
4, Ray. Otmoor, Sib. Magdalen College Meadow in full flower, Ba. 
Common about Oxford, Bx. Heyford, Kirtlington, etc. 
5. Isis. Port Meadow, Christ Church Meadow, Bz./ Woodstock, 
H. Bos. Witney, Wychwood, Wolvercote, Handborough. 
6. Thame. Thame, Hd. Bx. Imffley. 
7. Thames. Sonning, Hb. Rudge. 
Berks, Marcham, Sandford. 
Occurs frequently in a barren state in rivers and canals, and once found 
with floating leaves and flowering. 
(S. minimum, /’r. Warwick, rare.] 
Orv. LXXXVII. CYPERACEA, DC. 
SCHGNUS. L. 
8. nigricans, L. Bog Rush. 
Top. Bot. 436. Syme, E. B. x. 43.1529. Nym. 760. Bx. 268. 
Native. Uliginal. Bogs and marshes. Rare. P. June. 
First record, Dr. Lightfoot, 1780. ‘Near Oxford in bogs.’ 
4, Ray. In boggy ground going from Oxford to Stanton by way of 
Headington, about four miles from Oxford, Dr. Lightfoot, MSS., 
i.e. Headington Wick, which is given in Sid. 1794, and where it is 
still abundant. Weston Peat Pits, W. Wilson Saunders, 1839. 
H. Bos. 1861. 
Berks. Frilford. Warwick, extinct. Northants plentiful at Wittering 
Marsh. 
[Cladium Mariscus, Br. C. germanicum, Sch. Northants, extinct. 
Warwick, extinct.] — 
