[ Ixiii ] 



CONTENTS, 



Se&.I. QOME general remarks on the nature 

 of the leaves of plants and their 

 life, _ p. I 



II. On the manner in which the dephlogijlicaied 

 air is obtained from the leaves of plants, 14 



III. The manner in which the dephlogijlicaied 

 air oozes out of the leaves is different in dif- 

 ferent plants, 1 7 



IV. The dephlogiflicated air oozing out of the 

 leaves in the water is not air from the water 

 itfelf, 2 2 



V. The dephlogijlicaied air oozing out of the 

 leaves in the water is not exijling in thefub- 

 fiance of the leaves in this pure fate, but is 



only fecreted out of the leaves when it has 

 undergone a purification, 25 



VI. The production of the dephlogijlicaied air 

 from the leaves is not owing to the warmth of 



the Sun, but chiefly } if not only, to the light t 



28 



VII. Reflections, 31 



VI II. Dry plants have very little or no power 

 to affecl air ; but, when they are moiflened> 

 they are apt to contaminate air 7 37 



Sect. 



