POLYGONACE.E. 73 



7. R. Acetosa Linn. Common Sorrel. 

 Bab. 283. Hook. 370. Benth. 447. 



Woods, meadows and pastures. P. May, June. 

 Common. 



8. R. Acetosella Linn. Sheep's Sorrel. 

 Bab. 283. Hook. 370. Benth. 447. 



Dry gravelly ground. P. . May to July. 

 Common. 



POLYGONUM Linn. 



1. P. Bistorta Linn. Sndkeweed. 

 Bab. 283. Hook. 363. Benth. 450. 



Moist meadows. P. June and October. 

 I. New Mill; /./.P. 



2. P. amphibmm Linn. Amphibious Persicaria. 



Bab. 284. Hook. 365. Benth. 451. 



Rivers, ditches, and bogs. P. July, August. 

 Common in the water-meadows and Canal. 



3. P. lapathifolium Linn. Pale-flowered Persicaria. 



Bab. 284. Hook. 366. Benth. 451. 



On rubbish and damp cultivated land. A. July, Aug. 

 I. West Woods, sparingly. II. Cadley. III. Milden- 

 hall water-meadows ; not common. 



4. P. Persicaria Linn. Spotted Persicaria. 

 Bab. 284. Hook. 366. Benth. 451. 



On rubbish and damp places. A. June to September. 

 Commonly distributed. 



5. P. aviculare Linn. Knot-grass. 

 Bab. 285. Hook. 364. Benth. 449. 



Waste and cultivated gravelly ground. A. May to Oct. 

 Common. 



