( \7A<> ) 
fomething thicker and fhorteralfoin the middle, and fotnj 
of em not fo even or fmooih as in the faid F 2. 
The faid Beer Botion fcnC mc nKo a litik Plant of 
Dragons Blood , in Latin , Lapatbrn,. 3 ^r^it 'wcum 5 in 
which I view*d the Stalk of the Leaf ^>fter I had cut it 
acrofs, and difcover'd at the fame time feveral particular 
Colours of a hght and of a deeper Red,, tnorr, thau. pne 
could imagine to fee at one view : And I did obftrve ia 
the faid Stalk, little places in which I could perceive no 
Colour^ but when I cut the fame Stalk lengthwife I could 
then fee that thofe places were Canals, through which 
I concluded the Red Sap paft, and that thofe many Co- 
lours which lay in thofe Canals were a fort of Bladders, 
that contained the Sap in them, and that thofe feveral 
Colours were wholly produced by the Sap that ouz*d 
thro the fides of the Canals, and fo made the whole Stalk 
Red. 
V. A Letter from Mr Antony Van Lceuwenhoek, 
F. % S. to John Chamberlain, 5. (^, S. 
concerning Tobacco^ajhes. 
Delft, O&ob. 3. 1704. 
T Take the Liberty to acquaint you, that foon after I had 
J communicated to you my Poor Obfervations about a 
Tooth which was thought to have Worms in it, dv. I 
again exam^^'d the Afhes ot Tobacco 5 and fince the Re- 
marks upon that fubjeft are fallen into my hands wichin 
tbefe few days, I have taken the liberty of fending em ta 
you 3 hoping there may be fomerhing in em which may 
lerve to divert you : The faid Remarks are as follows. 
For 
