FLORA OF OXFORDSHIRE. 255 
Alien. Naturalised on walls of Merton College; pointed out to me by 
Mr. Patey; Rep. of Rec. Club, 1883. 
R. Acetosella, L. 
Top. Bot. 361. Syme, E. B. viii. 56.1224. Nym. 636. 
Native. Ericetal. Dry fields, heaths, waysides. Locally common. 
P. May-Aug. 
First record, Sid. 1794. 
1. Stour. Tadmarton. 
. Ouse. Hethe, etc.. 
3. Swere. Between Wickham and Bodicote, Broughton, Gull. Hanwell, 
Neithrop, A. Fr. 
4. Ray. Upper Heyford, Stow Wood, Headington Wick, etc. 
5. Isis. Bruern, North Leigh, Finstock, Ramsden, etc. 
6. Thame. Shotover, H. Bos. Nuneham, Thame. 
7. Thames. Mongewell, Binfield, Nettlebed, Chinnor. 
Berks. Bagley, Wootton, Wytham, etc, 
[se} 
POLYGONUM. L. 
P. Convolvulus, Z. Black Bindweed. 
Top. Bot. 356. Syme, EH. B. viii. 61. 1227. Nym. 637. 
Native. Agrestal. Cornfields and cultivated ground. Generally 
distributed and rather common. A. July-—Oct. 
First record, $20. 1794. 
Var. P. pseudo-dumetorum, Wais. 
Rich waste ground, gardens, etc. 
4, Ray. Marston. 
5. Isis. Ball’s Gardens, St. Philip’s, Rev. F. Bennett. Port Meadow, 
Osney. 
6. Thame. Headington. 
7. Thames. Goring, Crowmarsh. 
P. Bistorta, L. Snakeweed. Great Bistort. 
Top. Bot 353. Syme, E. B. viii. 79.1243. Nym. 637. Bx. 5. 
Native. Pratal. Damp meadows. Rare. P. May-Aug. 
First record, Sib. 1794. 
3. Swere. Swerford, Rev. EH. Fox. Poolyard, Hooknorton, Bees. 
Lovell’s Lynches, R. Fr. Hanwell, A. Fr. 
4. Ray. Gosford Bridge, Sid., also H. Bos. 1856. Near Bicester, 
H. Bos. 1857. 
5, Isis. Minster Lovell. 
6. Thame. Sandford, Rev. R. Linton. Hall’s Close at Holton, Ba. 
Berks. Osney Meadow, Walk. Between the Mill and Ferry Hinksey. 
