( 21 ) 



acquire strength enough to support its ri- 

 gours , while the tender plant that comes up 

 in October, is in danger of suffering by the 

 lightest hoar-frost. Perhaps some advantage 

 would be found in reducing the thickness of 

 the shell before it is committed to the ground, 

 in order to expose the germ more speedily 

 to the influence of those agents which are 

 necessary to its expansion. 



Every mode of grafting is successfully 

 practised on the Olive : the most common, 

 and the most proper for young stocks, is 

 that of inoculation. The operation should be 

 performed in May, while the juices are in 

 active circulation. Different opinions prevail 

 respecting the insertion of the graft above 

 or below the surface of the ground : grafting 

 below the surface is attended with this ad- 

 vantage, that, when the trunk is destroyed > 

 a generous progeny springs from its base. 



A few stocks should be left to form new 

 varieties. Fruit trees and flowers lose in re- 

 production, the properties which they had 

 acquired by culture, and tend anew to the 

 state of nature ; but, in a great number of 

 plants reared from the seed, a few are found 



