ORDER AMENTIFERJE. 107 



II. About Chesterfield, Waterfall. 



III. Kedleston ! Burton-on-Trent, Harris ; only in S. D. 

 as a planted tree, I think, not truly wild, Purchas, J. B. ; 

 Shirley, Linton. 



Carpinus Betulus, L. (Hornbeam). Alien. 

 I. Buxton ; Mellor, Wild. 

 III. Bretby, Harris. 



Castanea vulgaris, Lam. (Sweet Chestnut). Alien. 

 I. Chatsworth Park ; planted, Baker, J. B. 

 III. Near Newton Solney, Burkill. 



991. Corylus Avellana, L. (Hazel). Native. British 

 type. Range 1-2-3. 



Common throughout the county ! Ascends up to 400 

 yards, Baker, J. B. 



992. Alnus glutinosa, L. (Alder). Native. British type. 

 Range 1-2. 



I. Wye Valley, up to 300 yards, Baker, J. B. ; Matlock, 

 B. and N., J. B. ; Dove Dale ! 



III. About Derby ! About Burton-on-Trent, Harris ; 

 Shirley, Linton. 



993. Betula alba, L. (Birch). Native. British type. 

 Kange 1-2-3. 



I. Woods up to 400 yards, Baker, J. B. 

 III. About Derby ! Shirley Wood, Linton. 



995. Populus alba, L. (White Poplar). Denizen. English 

 type. Range 1-2. 



I. Below Ghee Tor, 250 yards, Baker; Mellor, Searle; 

 Ashwood Dale ! Miller's Dale ! 



II. About Chesterfield, Waterfall. 



III. Near Burton-on-Trent, Harris ; planted about Calke, 

 Purchas, J. B. 



996. Populus canescens, Sm. Native. English type. 

 Range 1. 



I. Mellor, Wild. 

 III. Bretby, Harris. 



997. Populus tremula, L. (Aspen). Native. British 

 type. Range 1-2-8. 



I. Cressbrook Dale, Sunderland; Goyt's Clough, 450 yards, 

 Baker, J. B.; by R. Wye, Miller's Dale, Rogers; near the 

 Dove Holes, Dove Dale, Purchas, J. B. 



II. About Chesterfield, Waterfall. 



III. About Calke, perhaps wild, Purchas, J. B. ; Shirley, 

 I Anton. 



