E 2 s* 3 



SECTION XVI. 



Experiments Jhewing the effeft of 

 plants upon inflammable air. 



103. TWO ounce-meafures of 

 inflammable air (which was fo 

 ilrong as not to be diminifhed at 

 all by nitrous air) were let up in a 

 quart jar containing one handful 

 of pepper-mint fprigs ; it flood 

 over-night within the houfe : next 

 day I found the bulk of the air 

 fomewhat increafed, but frill fo bad 

 as not to be diminifhed 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 



