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ON THE. 
FOLIATION of TREESj 
O R, 
The time when they put out their 
leaves. 
By HARALD BARCK, 
Upsal, 1753. May 3. 
*... 
Arisen. Acacb vol. iit 
§• 1. 
B Otanifts in every age have not only taken 
great pains to difcover and give names to 
plants, but have alfo defcribed them with all 
poflible accuracy. But this part of knowledge 
has been, till this prefent age, confined to 
narrower bounds than it deferved ; for an opi- 
nion has prevailed amongft almoft all the men 
of learning, that it is of no ufe out of the re- 
K 3 
gions 
