
Led. IIL | kee. 

ESSAY 
Various Proportions 
Wherein the 
EIXEV PALSALL 
Ts found in 
PLANTS: 
Read before the Royal Society, March, 1676: 

Cito Aero L 
Of the QU ANTITIES afforded by feveral Plants 
calcined in grofs. 


T isthe part ofa Phyfician, knowingly and arti- 
ficially to ufe and govern Nature. And therefore 
by every likely Method, to infpe& the State and 
Properties of all forts of Bodies. One Method, is 
j & that [have taken in the foregoing Experiments 5 
& fe. by mixing them with feveral Meftraums or Li- 
HQ & quors: whereby we may be affifted to judge, 
“SY Goth of the Kinds and the Proportions of Princi- 
ples in any Body 3 and of the manner of their Aéature in the fame. 
Another is byCalcining them 5 Or, as it were, by mixing them with 
the Fire, a potent and almoft univerfal fenStruum. I (hall here only 
fet down fome Tryals for an Effay, upon Plants 3 chiefly noting, The 
different Proportions of their Lixivial Salts. Of thefe Tryals, fome 
were 
YES 





















































