f 14 j 
SECTION Ii: 
Ox the manner in which the dephli-+ 
gifticated air is obtained from the 
leaves of plants. 
AS the leaves of plants yield de — 
phlogitticated air Only in the clear 
day-light, or in the fun-fhine, and — 
begin their operation only after they 
have been in a certain manner pre- ~ 
pared, by the influence of the fam¢ 
hgh for beginning it; they are to 
as t in a very tranfparent glafs 
se melee 
= veflel, or jar, filled with freth pump ; 
water (which feems the moft adapted 
to promote this operation of. the ; 
leaves, or at leaft not to obftrud it); _ 
‘which, being inverted in a tub full : 
of the fame water, is to be imme- — 
= expofed to the open air, OF — 
= rather — 
