2.So Of Leaves» 
were drawn out and a little magnified, and at a the 
fpiral circumvolutions are reprefented as they appeared in 
the microfcope when greatly magnified, and as they 
ftand intire within the wood; and at b is feen one a 
little dretched. 
Mr. Leeuwenhoek tore a leaf of box to pieces, called 
palma cereris, that he might the better examine it, and 
computed one fide thereof to contain 172090 pores, and 
as the other fide mull confequently have the fame num¬ 
ber, the whole pores in a box-leaf will be 344180. 
Of rofemary-Ieaves. 
F IG. 524. reprefents a fmall part of the underfide of 
a rofemary-leaf whereof A B fhews part of the 
upper fide which was doubled over, and confided of a 
finooth Alining fubdance, but its under-fide appeared in 
the microfcope like a thicket of bufiies, amongft which 
were a great number of round balls, exadlly globular, and 
afford a very agreeable profpe<d. 
The back-fide of a rofe-tree leaf, but efpecially of a 
fweet briar leaf, looks diapered with filver. 
The back of the leaf of Englidi Mercury z looks as if 
rough cad with filver, and all the ribs fet round with 
white tranfparent balls. 
A leaf of rue looks full of holes like an honey¬ 
comb. 
A fage-leaf is taffeled with white filver thrums, and 
one or two crydal beads, or pendants, fadened to every 
knot. 
y Hook’s Mic. p. 142. f Power’s Mic. Obf. p. 50.’ 
Of 
