348 Obfervations on the Advantages 
various ufes for which it is perpetually demand= 
ed: And the eventual profit would be certain, 
from the growth of excellent timber trees, felec- 
.ted from the choiceft and moft valuable part of 
the plantation, 
I fhall confine myfelf, in the obfervations I 
have to offer, to the three kinds of land fpecified, 
which, being generally deemed barren, are not 
of the annual value of fixpence an acre to the 
Owners; and endeavour to prove the utility of 
applying fuch, lands to the purpofes I ftiall after- 
wards mention. 
And, firft, of the Wer Lanps, and the trees 
beft adapted for fuch places. 
_ I fhall begin with the Atper, which thrives 
wonderfully in fwampy ground; and there 
are few trees of greater general utility: But 
it is more particularly valuable in this neigh- 
bourhood ( Manchefter) where its ufes are fo 
various as to adapt it to an almoft endlefs variety 
of purpofes, The wood of this tree is in great 
efteem and demand for machinery; the cogs for 
mill wheels formed of it being proved, by ex- 
perience, to be fuperior to any other. It is 
commonly ufed for bobbins; and the country 
people wear fhoes, or, as they are ufually termed, 
clogs made of it. Its excellent quality of refift- 
ing injury from water is univerfally acknow- 
ledged; hence its great value for pump trees, 
pipes, 
