NORTHUMBERLAND AND DURHAM. 271 



ascending to 850 yards on Cheviot, 550 yards in Harwood Dale, 

 and "West Allendale. 



2. L. pilosa, "Willd. Native. British type. Area C, IST, D. 



Eange 1, 2. 



Common in heathy places, ascending to 500 yards at Allenheads. 



3. L. campestris, E. Br. Jfative. British type. Area C, IST, 



D. Range 1-3. 

 Everywhere common in grassy places, ascending to 700 yards 

 on Highfield. 



4. L. imdtiflora, Lej. Native. British type. Area C, JST, D. 



Grrassy heaths, frequent, ascending to 850 yards on Cheviot, 

 750 yards on Highfield. 



3. NARTHECIUM, L. 



1. N. ossifragum, L. Native. British type. Area C, N, D. 



Eange 1, 2. 

 Frequent in swamps amongst the moors, descending to Prest- 

 wick Carr, ascending to 550 yards in Cheviot, and at the head of 

 the Beldon Burn, 550 yards in "Welhope. 



Division 2. GLIJMIFEE^. 



Order 1. CYPERACEiE. 



1. CLADIUM, R. Br. 



1. C. mariscus, E. Br. Native. English type. Area C. D. 

 Eange 1. 



Plentiful in Learmouth Bog near Cornhill, where it was first 

 gathered by Dr. F. Douglas in 1837, and at Hell Kettles near 

 Darlington. 



2. SCHCENUS, L. 



1. S. nigricans, L. Native. British type. Area C, N, D. 

 Eange 1. 



Swampy heaths, not unfrequent. Berwick, Learmouth Bog, 



