[ 26i 3 



peafe in Penfykania^ Sec, and which has found its 

 way into fouthern Europe* See alfo Kalm's Tra- 

 vels, i. p. 176, Engll/b edition, 



3. To fruit-bearing trees and culinary herbs, 



4, To trees, woods, ftove and green -houfc 



plants. 



5. To corn-fields, paftures, &c, 



6, To horfes, horned cattle, and other ani- 



mals, 



The fubjeds of thefe three laft papers are of 

 great importance in rural economy, and would 

 come with all poffible propriety into an Economical 

 HerhaU that fhould fpecify, in treating upon each 

 plant, the fpecies of infed: which inhabits or feeds 

 on it. 



46. Vernatio Arborum. H, Barck. 1753. 



A curious elfay, perhaps the firit on the fub* 

 je<rc, relating to the Leafing of 'Trees in Sweden^ 

 being the refult of a variety of obfervations, made 

 at the requeft of Linn^^us himfelf, in almofl all the 

 provinces of that kingdom, and intended to lead, 

 as if by the didates of nature,, to the true time of 

 committing the grain to the earth. A table is ex- 

 hibited, fhewing at one view the days on which 19 

 fpecies of trees, all natives of Sweden^ put forth 

 their leaves in three fucceffive years. The fame 

 table fhews alfo the day on which Barley was fowrv 

 and reaped in all the fame provinces. From an- 

 other table it appears, that at Pitha^ which lies in 

 about 63 degrees north, from the average of 12 

 years, there intervene 85 days between the fowing 



S 3 of 



