408 PRINCIPLES OF BOTANY. 
only ones which have wandered very far. And ine 
deed the two last never occur in hot climates. 
Ido not doubt, however, that of so vast a num. 
ber of plants, there may be some which have so 
favourable a constitution, as to bear all climates; as 
in the animal kingdom, man, dogs, and swine, which 
agree with every possible climate. 
VIL. His. 
