448 CONIFERS. 



houses, such as friezes, mouldings, cornices, &c. ; it is, also, 

 almost exclusively used, in the northern and middle states, 

 for the masts of vessels, which are superior to any others 

 for their lightness, but in point of strength and durability, 

 particularly in that portion placed between decks and at 

 the intersection of the yards, are inferior to those of the 

 Pinus sylvestris and other species of the north of Europe. 

 The clap-boards, with which the wooden walls of American 

 houses are covered, are, also, generally sawn out of the White 

 Pine, and the shingles, or wooden tiles, are split out of 

 the most perfect wood, or that which is freest from knots ; 

 these make a light and efficient covering, but require to be 

 renewed every twelve or fifteen years. 



The figure here introduced represents a Weymouth Pine, 

 of remarkable form, in the grounds of Strathfieldsaye, 



The Pinus strohus is stiff and formal in its appearance, 

 retaining its pyramidal growth, even when old and full 

 grown ; its foliage, also, is thin and meagre, and destitute 



