[ 4 
an inverted jar full of water above it, 
to receive the air, A great deal of it 
was inftantly obtained, which proved 
to bg nearly as good as common air. 
TI fqueezed, in the fame way, 
fome air out of leaves of fage, /al- 
via, which proved to be fomewhat 
worfe than the former. 
vcs potatoe plant was fhook under 
water, fo as not to hurt it: a good 
deal of air was immediately difen- 
gaged, which, by the nitrous teft, 
proved to be worle than common, 
air. 
ill, plant of lamium albuin Was 
treated in the fame way, and in like 
manner a good deal of air was ob- 
tained, which was nearly of the 
fame quality with the former. 
Some leaves of an apple tree were 
put in a cylindrical jar full of pump 
water, The jar was then inverted 
I 
