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leaves themfelves, after Handing a 

 day and a half in the water, are not 

 wetted by it, but come out quite 

 dry. 



Some leaves have that peculiar 

 quality of being wetted by the 

 water only on one lide ; as, for in- 

 fiance, leaves of rafberry fhrubs, 

 which do not receive the wet on 

 their fhaggy under furfacei 



Strawberry leaves repel the water 

 from both furfaces, form b lifters at 

 the under fur face, and chiefly round 

 bubbles at the upper furface. 



Some leaves begin very early in 

 the morning to yield dephlogifli- 

 cated air, and ceafe late in the even- 

 ing ; for inftance, potatoe and mafoa 

 leaves. 



Some begin this operation very 



late in the morning, and ceafe very 



G % early 



