[ 22 5 ] 



SECTION X. 



Experiments flewing that all flowers 

 in general yield a very poifonous 

 air, though in a very Jmall quan- 

 tity, and are apt to fpoil a great 

 quantity of good air by day and 

 by night. 



6$. TWO handfuls of flowers 

 of Marigold or Calendula were ex- 

 pofed in pump- water to the open 

 air during 48 hours ; a fmall quan- 

 tity of air was obtained, which ex- 

 tinguifhed flame directly, and was 

 fcarcely diminifhed at all by nitrons 

 air. 



66. Two handfuls of Camomile 

 flowers were put in a quart jar 

 filled with pump-water, and invert- 

 er ed: 



