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improbable, that living plants not 

 only improve good air, or correct 

 bad air, by communicating their de- 

 phlogifticated air to it, but alfo by 

 a peculiar faculty they pofTefs of 

 purifying the circumambient 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 

 thus rendered quite pure again in a 

 few hours by a plant growing in 

 it, as is already fhevm above. 



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