196 



OPEX AIR GRAPE CULTURE. 



A metliod which partakes partly of grafting and 

 partly of inarching is shown in the annexed figure. 

 Fig 56. Here the graft is covered w^ith soil which 



M^?Tf^^'«'^i^'*" 



Fig. 56. 



supports it in the same manner as a cutting, while at 

 the same time it receives nutriment from the stock. 



Seed Hybridization. — ^Young vines are never raised 

 from seed, except for the production of new varieties ; 

 but, as this subject is deservedly attracting very 

 general attention at present, a few practical hints 

 thereon may prove acceptable. 



Ever since Bacon observed that *'The compound- 

 ing and mixture of plants is not found out, which, 

 nevertheless, if it be possible, is more at command 

 than that of living creatures, wherefore it were one 



