NORXHUMBEKLANU AND DORHAM. 241 



7. P. minuc, Hiids. Native. English type. Area D. 



Range 1. 



In Morden Carr, gathered originally by "W. Backhouse, and 

 recently by the Rev. A. M. Norman. 



8. P. aviculare, L. Native. British type. Area C, N, D. 



Range 1, 2. 



Everywhere common in waste ground, ascending to 600 yards 

 in Kilhope, Wear district. For a description of the varieties 

 known in the district reference must be made to a paper by the 

 Rev. A. M. Norman in the 5th vol. of the Transactions, p. 140. 



9. P. Rail, Bab. Native. Maritime. British type. Area 



C, N, D. 

 Amongst the coast links at Alnmouth (T.) ; between Meggy's 

 Burn and Seaton Sluice (B.); and near Seaton Carew (T. J. 

 Foggitt!). 



10. P. convolvulus, L. Colonist. British type. Area C, N, D. 

 Range 1. 

 Frequent in cultivated fields, ascending to 250 yards in Coquet- 

 dale, 300 yards in Weardale. 



2. RUMEX, L. 



1. R. hydrolapathum, L. Native. English type. Area D. 



Range 1. 



Ponds and ditches, not uncommon in the south-east of Durham. 

 Butterby Marsh, Morden Carr, and about the Skerne and the 

 streamlets near Stockton. 



2. R. crispus, L. Native. British type. Area C, N, D. 



Range 1-3. 



, Eveiywhere common by road and stream- sides, ascending to 

 550 yards in East Allendale, 650 yards in Harwood Dale. 



3. R. aquaticus, L. Native. Scottish type. Area C, N, D. 



Range 1, 2. 



In Coquetdale in a field by the side of the high-road just west 



