He now with regret took leave of 
Cliffort, and went to pay his parting vis¬ 
its at Amsterdam and Leyden. At this 
last place he was tempted to prolong 
his stav awhile, notwithstanding his 
previous anxiety to proceed home¬ 
ward. In compliance with the request 
and even entreaties of professor Van 
Rozen, he agreed to give him his assist¬ 
ance in arranging the botanical gar en 
there ; and in preparing for the press a 
work with reference *to it. 
After this engagement was ended, 
he again prepared himself for his jour¬ 
ney. But the Dutch, who had learned 
to appreciate his talents, were still de¬ 
sirous to retain him in their service, 
and to induce him finally to settle m 
their country. 
It was proposed to him to make a 
botanical voyage, at the expense of the 
republic, to the Cape of Good Hope ; 
and to receive, on tus return, a profes- 
