[ 269 J 
improbable, that living plants not_ 
only improve good air, or correct 
bad air, by communicating théir de- 
db air to it, but alfo by 
jar faculty they poffefs of 
wean the cireumampbient “air, 
which they-may do by taking~ to 
themfelves the inflammable parti- 
cles, or by-fome other faculty they 
 poffefs. ~ Air fouled by breathing is 
oe readcred eae pare ee in a 
