polygonace^e. 203 



10. Br. Acetdsa Linn. Common Sorrel. 



Aoetosa vulgaris, R. C. 3. Lapathum acetosum vulgare, 

 M. M. 14. R. Acetosa, M. PL 9. Relh. 150. 



Meadows and pastures. P. May, June. 



1. Cambridge. — 2. Ickleton. Whittlesford. Foxton; 

 Gatwell End, Steeple Morden ; N. Eoyston ; H. P. — 

 3. Cambridge. Gamlingay. Croydon. Toft; Eversden; Com- 

 berton; Harlton; Bourn; Caxton; N. — 4. Histon. Girton. 

 Long Stanton. Elsworth; N. — 5. Horningsey. Snailwell. 

 Newmarket; N. — 8. Newton. Wisbech. 



11. B. Acetosella Linn. Sheep's Sorrel. 



Acetosa arvensis lanceolata, R. C. 3. A. a. officinarum, 

 M. M. 12. E. Acetosella, M. PI. 9. Rein. 150. 



Dry gravelly ground. P. May to July. 



1. Cambridge. Stetch worth. Furze-hills, Hildersham. 

 Shuckburgh Castle, Newmarket Heath. Allington Hill. 

 Six-mile-Bottom. — 2. Odsey; A. M. B. — 3. Cambridge. 

 Gamlingay. Eltisley. Toft; N. — 4. Swavesey. Hill of 

 Health; J.M. — 5. Chippenham. Snailwell. Wicken. Stetch- 

 worth; N. 



Polygonum Linn. 

 1. P. Bistdrta Linn. Snakeweed. 



Bistorta major, R. C. 22. B. officinarum, M. M. 15. 

 P. Bistorta, M. PI. 9. Relh. 163. 



Moist meadows. P. June and October. 



1. Fulbourn ! ; H. Shelford; J. M. Einton; Relh.— 

 2. Copse near Railway-station at Harston; N. — 3. Whit- 

 well; S. W. W. — 4. Closes near Howe's House; Relh. Hill 

 of Health; J. F— 5. SwafFham Prior; H. 



