f “Shi —j 
in a work upon fuch important 
matter. Whatever I have been 
able to deduce from my labours is 
done in a_hafty manner,. as my 
ftay in this country was far too 
limited to allow me to compote 
my work in a regular and more. 
fatisfactory manner, 
Though I was very far ‘from 
ceioiae all the difcoveries which 
I made in the courfe of this fum- 
mer, yet I was perfuaded that a 
good deal of the peconely, of the, 
vegetable 1 3 ght be dif 
covered by : a teady purfuit “ ex- 
periments tending to trace the ope- 
rations of Nature. I had this ob-. 
ject in view fome years ago; but, 
as I did not enjoy fuch a fayour- 
able difpofition of mind and body 
as was neceffary for a tafk, in 
which all poffible fteadinefs, per 
verance, 
