O F T R E E S. 135 



occur in the foecundation of plants. The 

 Flora (sconomica has foitlifully fet forth the 

 ufe of plants in private life. The diflertation on 

 the buds of plants has opened to us the caufe, 

 why various trees cannot bear the fnows, and 

 frofts of our part of the world. From the eflay 

 on the efculent plants of our countrey we find, 

 that there are many plants growing with us, 

 which are proper for food, hitherto over- 

 looked. In the Szvedijh Tan it is Ihewn, that 

 certain plants only are deflined for fuflenance 

 to certain animals. From the Hcfpita Infe^o- 

 rum Flora we are informed that certain vege- 

 tables are eat by certain fpecies of infeds. 



It is now the fourth year fince our illuflrious 

 prefident exhorted his countreymen to obferve 

 with all care and diligence, at what time every 

 tree expands its buds, and unfolds its leaves; 

 imagining, and not without good reafon, that 

 our countrey would fome time or other, from 

 obfervations of this kind made in different 

 places, reap fome new, and perhaps unexpe6]:ed 

 advantage. Upon this admonition, i at that 

 time living in Smoland with that noble perfon 

 G. A. Witting major, and knight of the mi- 

 litary order, was incited to obferve for the 

 fpace of three years, beginning from the year 

 K 4 -^73^^ 



