Of Vegetation . 3 19 
reafon to be diligent in making farther and 
farther refearches ; for tho we can never hope 
to come to the bottom and firft principles of 
things, yet in fo inexhauftible a fubjed, where 
every the fmalleft part of this wonderful 
fabrick is wrought in the moft curious and 
beautiful manner, we need not doubt of 
having our inquiries rewarded, with fome 
further pleafing difcovery 5 but if this fhould 
not be the reward of our diligence, we are 
however fure of entertaining our minds 
after the moft agreeable manner, by feeing 
in every thing, with furprifing delight, fuch 
plain fign at tires of the wonderful hand of 
the divine Archited, asmuft neceflarily dif- 
pofe and carry our thoughts to an ad of ado- 
ration, the bell and nob! eft employment and 
entertainment of the mind. 
What I (hall here fay, will be chiefly found- 
ed on the following experiments 5 and on 
feveral of the preceding ones, without re- 
peating what has already been occafionally 
obferved on the fubjed of vegetation. 
We find by the chy mica! analyfis of vege- 
tables, that their fubftance is compofed of 
fulphur, volatile fait, water and earth 5 which 
principles are all endued with mutually 
attrading powers, and alfcf^f a large portion 
of 
