[ *° 5 3 



Early in the morning I found 

 they all had yielded but an incon- 

 fiderable quantity of air. 



The air of the oak leaves and 

 walnuts was the word of all, it 

 was not diminiihed by nitrous air ; 

 that of the willow and the fage was 

 near as poifonous ; that of the lime- 

 tree was not quite fo bad ; that of 

 the artichoke was fomewhat better; 

 that of the potatoe-leaves was the 

 leaft poifonous of all ; however, in 

 none of them a candle would burn 

 even for a moment. That of the 

 water-pepper was fo poifonous, that 

 it extinguifhed the flame, though 

 diluted with five times as much 

 common air ; the apple-tree leaves 

 had yielded fo little air that I could 

 not put it to any teft. 



38. Two handfuls of leaves of 

 Trench beans were put in a jar full 



of 



