3 1 8 Of y ?getatioH. 
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 difeovery j 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 fignatures of the wonderful hand of 
the divine architect, as muft neceflarily dif- 
pofe and carry our thoughts to an act of ado- 
ration, the beft and nobleft employment and 
entertainment of the mind. 
What Iftiall here lay, will be chiefly found- 
ed on the following experiments; and on 
feveral of the preceding ones, without re- 
peating what has already been occafionally 
obferved on the fubjeft of vegetation. 
Wefindbythechymical analylis of vege. 
tables, that their fubftance is compofed of 
fulphur, volatile fair, wearer and earth; which 
principles are all endued with mutually 
attrafting powers, and alfo of a large portion 
of air, .which has a wonderful property of 
ftrongly attracting in a fixt ftate, or of re- 
pelling in an elaftick ftate, with a power 
which 
