NORTHUMBERLAND AND DURHAM. 197 



the quarry at Fulwell (F.). Between Pittington Hallgarth and 

 Elemore (James Backhouse. F.). Railway bank north of Hart- 

 lepool (M. A. Lawson). 



7. C. palustris, L. Native. British type. Area C, N, D. 



Range 1,2. 



Common in damp fields, ascending to 550 yards on Cheviot, 

 600 yards on Highfield. 



8. C. arvensis, Curt. Native. British type. Area C, N, D. 



Range 1-3. 



Common in fields and waste ground, ascending to 600 yards 

 above Allenheads, to 2000 feet on Highfield: a peculiar form, 

 with broad flat leaves pinnatifid half-way down, gathered by 

 John Storey at Newburn. 



9. C. heterophi/lhis, L. Native. Scottish type. Area C, N, 



D. Range 1, 2. 



Hilly woods, frequent. In the Cheviot district in the Brizzle, 

 Goldscleugh, Grlanton, and on Heathpool Bell and banks of the 

 Wooler "Water. In the Aln district near Kyloe, Ellingham, and 

 in Rugley and White House "Woods and Twizell Dene. In 

 Coquetdale plentiful at Shillmoor. In the "Wansbeck district 

 in ditches north of Cambo, and at Roadley and Long Witton. 

 In North Tynedale at Tarset and in Tecket and Hareshaw 

 Denes. In the South Tyne district at Sinderhope, Allentown, 

 Haltwhistle, Chesterholme, &c. ; once carried down the Tyne 

 to Newcastle. In the Derwent district in Gibside "Woods, &c. 

 Castle Eden Dene. Frequent in Weardale and Teesdale, ascend- 

 ing to Burnhope "Woods and the high limestone scars up Harwood 

 Beck, 550 yards, descending to Middleton. 



18. OXOPORDUM, L. 



1. 0. acanthium, L. Alien. 



Occasionally in waste ground. Holy Island, road-sides, and 

 corners of fields, well established (W. Richardson !). "V^^'aste 



