ON THE 



NATURE 



O F 



P L A 



SECTION I. 



Some general remarks on the nature 

 of the leaves of plant % and their 

 ufe. 



fT feems to be more than proba- 

 **■ ble, that the leaves, with which 

 the moft part of plants are fur- 

 nifhed during the fammer in tem- 

 perate climates, and perpetually in 

 B hot 



