The Contents. 



CHAP- V. 



An FJfay concerinng the Power of the Air, and 

 its EffeB in Vegetation^ p. 144 



CHAP. VI. , 



An Ejjay concerning the EfeB ofthofeCo-eJicient 

 Powers in the work of Vegetation^ p. 1 53 



CHAP. VII. 



DireBions for Raifing Forejl-Trees. 



Sed. I. The IntroduSlion^ P* 191 



Seft. 2. Of the Spontaneo7cs ProduBion of 



' Trees^ p. 204 



Seft. 3. Of the Method of Raifing Trees by 

 Seed^ p. 206 



Seft. 4. Of Raifing Trees from the Exuberances 

 of the Mother-Roots^ P- 2 t 9 



Seft. 5. Of the Raijlng Trees by Artificial Me- 

 thods of Avuljion^ Arcuation^ Sec. p. 221 



Sed. 6. Of Raifing Trees by Layers, p. 224 



Sed. 7. Of Raifing Trees by Cuttings and Sets^ 



p, 228 



Seft. 8. The Summary of all that has been de- 

 liver'* d concerning Raifing Trees, p. 230 



Sed. 9. DireBions for Planting in Open Nur- 

 feries, p. 2 3 1 



Seft. 10. DireBions for Pruning and DreJJlng of 

 ForeJl'Trees in Open Nnrferies, P- 234 



Sed. II. Of Planting Trees in the Open Park, 



p. 239 



Sed. 12. DireBions for the feveral forts of Soil 



on 



