bf 252-4] 
SECTION XVI. 
Experiments foewing the effect of 
plants upon inflammable air. 
103. TWO ounce-meafures of 
inflammable air (which was fo 
firong as not to be diminifhed at. 
all. by nitrous air) were let up ina 
quart jar containing one handful 
of pepper-mint {prices it ftood 
over-night within the houfe: next 
day I found the bulk of the. air 
fomewhat increafed, but {till fo bad 
as not to be diminithed at all by. 
nitrous air. 
104. The fame evening I put 
two ounce-meafures of inflamma- 
ble air in a fimilar jar with one 
handful of walnut-leaves; next day 
. I found 
Se ot wt 
7 é 
