E 7 4 
fhagey furface ; as, for inftance, the 
leaves of fage, /a/via. 
Some of. thefe leaves are fo pro- 
lific in pufhing out thefe bub- 
bles, that I have found them re- 
produced nine or ten times in leaves 
of a pear-tree. - The leaves of a 
vine are alfo™ "very ready to yield a 
. good mungber of fucceffions | of thefe 
? bubbles, — But = was curious to fee 
whether the leaves’ decay fooner oF 
later when the air bubbles were left 
‘upon them, or when they were 
fhook off now and then : : I put a 
leaf of a vine in a ie ‘fall of Pumps 
‘open ‘air Sor ae firing 2 
the air ‘bubbles g grew to a very large 
fize ; “and fome of them quitted the 
leaf of ‘themfelves and fole up. 
Ew was pat in the jae during ae whole 
= week ; ; 
eR 
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