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An Account of three different Kinds of 
TIMBER TREES, which are likely to prove 
a great Acquisition to this Kingdom, both 
in point of Profit and as Trees for Ornament 
and Shade. By Cuaries Wuire, Esq. 
F.R.S. 
READ APRIL 21, 1707» 
iF; making a collection of such hardy trees and 
shrubs as would grow, and even flourish, in the 
open air at Sale in the County of Chester, I soon 
-obsérved that there were three forest trees, of diffe- 
rent genera, which grew much faster than the others 
in the same soil and situation, viz. the Black Ameri- 
can Birch with broad leaves, the Athenian Poplar, 
and the Iron Oak with prickly cups. 
Tue Broap Leavep AMERICAN BLACK 
Bircu, BeETuLA nicRA, Linn. Spec. plant. 1394, 
is described by Mr. Aiton in his Hortus Kewensis : 
B.folizs rhombeo-ovatis, duplicato-serratis, acutis, sub- 
tus pubescentibus, basi imtegris; strobslorum squamis 
villosis; lacinizs Linearibus, equalibus. It is a na- 
tive of Virginia and Canada, and was first intro- 
duced into England (where it grows in the greatest 
luxuriancy and perfects its seeds) by Peter Collinson, ‘ 
Esq. in the year 1736. There is no doubt, there- 
fore, that it will soon become very plentiful and — 
