196 



OrEN AIR GKAPE CULTURE. 



A method wliich partakes partly of grafting and 

 partly of inarching is shown in the annexed figure. 

 Fig 56. Here the graft is covered with soil which 



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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 w^ere one 



