E 268 Jj 
ter than common air, nay even ta 
be dephlogitticated air, 
I_ make no doubt but the plants 
had communicated to this. air the 
quality of being diminifhed by nl- 
trous..air, by. mixing with it the 
dephlogifticated air they yield of 
themfelves ;, which is alfo the opi- 
nion of Abbé. Fontana, to.whom I 
crim afi sus the SENG But 
annot but thi 1 athe . | 
by their vital rovers “had hanyed 
this pure inflammable air into fue 
minating Or explofive air, as this 
quality is given to it in one night, 
- OF in’ ‘a dark place in a few hours ; 
| pong plants yield no dephlogifti- 
ed air in the night or in dark 
places, but. fearcely any. air. at all, 
and whatever air they yield i is phlo- 
“gu = Sas air, unfit for fupporting 
S _ a even feems to. me_nat 
: — ble, 
