X PREFACE OF THE AUTHOR. 
assistance than by my own feeble exertions. In justice to 
them, I find it incumbent on me to name here the following 
conspicuous perfons : 
The Chevalier Thunberg, of Ufisal, successor of L,nn*us 
in his academical dignity. 
DoBor A. O. Knoes, of the same University, who commu- 
nicated to me the rare and valuable apology of Linn^us, 
and his letter to the Academy of Sciences at Paris . 
James Edward Smith, M. D. and F. R. S. proprietor of the 
Linnean Colleftions, and President of the Linnean So- 
ciety of London. 
Charles Niebuhr, Counsellor Justiciary of his Danish Ma- 
jesty, and travelling companion of the celebrated Forskal. 
P. D. Gieseke, Doctor and Professor at Hamburgh. 
Francis Ehrhart, Botanist, at Herrenhamen, near Ham. 
ver. 
Nemnich, L.L. D. of Hamburgh, Editor of the Catholicon or 
the Encyclopedic Difiionary in all the European languages, 
who has communicated to me several fads in the Spanish 
and Portuguese tongues. 
Doctor E„ C. Schultz, of the same place. 
Do£lor S R at H— . 
To these are to be added two friends at Stockholm, and’ two 
eminent German literati, who would not leave to gratitude the 
2 satisfaction 
