GES 
PHYSICAL anv LITERARY. 265 
ind better can be had, is to allow it to reft, 
until it receives a new recruit from the 
air, in which are perpetually doating, and 
falling down upon the earth, particles of 
all kinds proper for the nourifhment of 
plants. But, as this isa tedious way of 
recovering the fertility of ground, the 
better and more expeditious one, is by 
laying dung upon it, which being wholly 
made up of putrefied vegetables or ani- 
mals, equally proper for nourifhing plants, 
the parts of which both are compofed 
being the fame, and the tranfition from 
the one to the other eafy; the ground, by 
this new acquifition, becomes again fer- 
tile. Every vegetable then whoie parts 
are fet loofe by that laft fermentation of 
nature, putrefaction, affords a proper pd- 
bulum for vegetables; and the great di- 
ftinGtion of plants, which commonly lies 
in a very {mall part, and that too the motft 
volatile, being taken away by putrefacti- 
on, all vegetables, when reduced to that 
ftate, feem to be pretty much upon a par 
‘for that purpofe. Now, to return to what 
evo. Il. Lh : I 
