NORTHUIIBERLAND AND DURHAM. 283 



9. ARUNDO, L. 



1. A. phraginitis, L. Native. British type. Area C, N, D. 



Range 1. 



Common in ditches and by stream-sides, ascending in Coqtiet- 

 dale to Rothbury, 150 yai'ds. 



2. A. calamagrostis, L. Native. English type. Area C. 

 "WTiite House "Wood near Alnwick (W. Eichardson ! T.). 



3. A. epigejos, L. Native. English type. Area C, N, D. 



White House "Wood near Alnwick (T.). Moss near the Eout- 

 ing Linn, Doddington (A.). By the Tyne at Hebburn and War- 

 den Mills (E !). North branch of Castle Eden Dene (F !). 



10. SESLERIA, Scop. 



L S. ccendea, Scop. Native. English type. Area C, D. 

 Eange 1, 2. 



Not known amongst the Cheviots, and gathered in Northum- 

 berland only on the limestone at Batchough Crag near Alnwick. 

 In Durham frequent on the Magnesian Limestone, descending as 

 at Marsden to the coast cliffs, and frequent in Teesdale on the 

 limestone scars from Eglestone up to .550 yards in Harwood Dale 

 and on Newbiggen Moor. 



11. AIRA, L. 



1. A. ccespitosa, L. Native. British type. Area C, N, D. 



Range 1-3. 



Common by stream-sides, and in meadows ascending to 650 

 yards on Cheviot and Highfield. The plant called A. alfina in 

 Winch's Elora is no doubt a mistake. 



2. A. Jlexuosa, L. Native. British type. Area C, N, D. 



Range 1-3. 



Common on heaths, ascending to all the high peaks, 850 yards 

 on Cheviot. 



