1 80 POPULUS. 



on which account, and its lightness, it is well adapted for 

 packing-cases ; it also affords excellent and durable deals 

 for flooring boards, barn-doors, &c, and by the musical 

 instrument-maker is often substituted for the wood of 

 the lime-tree. In Scotland it is used in mill-work, as 

 well as by the turner and cooper, and for its lightness 

 and smoothness the boards and rollers around which silks 

 and other articles are wrapped, are also made of Poplar 

 wood. In a fresh state it weighs about fifty- eight pounds, 

 the cubic foot, and loses about nineteen in the process 

 of seasoning, as when well dried it is reduced to about 

 thirty-nine pounds. 



The leaves of the Grey Poplar are frequently eaten by 

 the caterpillar of Smerinthus Pojndi, and we generally 

 find that of Clostera reclusa upon it, as well as others 

 belonging to the Notodontidce. 



Towards autumn the foliage is often disfigured by the 

 growth of parasitic plants which abound upon most species 

 of this genus, and Poh/porus ignarius and other large fungi 

 are frequently seen upon the stools and decaying trunks 

 of this tree. 



At Twizell, about eighteen years planted, the Grey 

 Poplar is nearly fifty feet high, the circumference of the 

 trunk, at two feet from the ground, three feet. At Fal- 

 lowden, the seat of General Sir H. Grey, there is a pic- 

 turesque tree, nine feet seven inches in girth. 



