Dillemus. Ijf 
a profeflbr of medicine, and dean of the fa- 
culty of phyfic at that place ; and the other, 
Poliater^ or public phylician; an office, I 
believe, not uncommon in Germafty, though 
unknown here; and which Dillenius 
himfelf held in the fame city. He was very 
early made a member of the Academia Cu^ 
rioforum Germanice. He communicated fe-* 
veral papers to that fociety, which were 
publiflied in their Mifcellanea Curiqfa. The 
earlieft, that I find, "was a DiiTertation, in 
the Third Century of Obfervationsy about the 
year 171 5, concerning the plants of Ame- 
rica which are naturalized in Europe, This 
is a fubjed which might again be taken up 
by a fkilful hand, to great advantage. The 
refult of obfervation, and communication 
on this matter, would unqueftionably prove, 
that a far greater number of plants than we 
are aware of, which are now thought to be 
indigenous in Europe ^ were of exotic origin. 
Befides the moft obvious method, from the 
garden to the dunghill, and from thence to 
the field, amongft a variety of other caufes, 
the importation of grain has introduced a 
great number : the package of merchan- 
dife^ 
