11 June. 1017.] Apple Culture in Victoria. 



335 



The orc-hardist with an intimate kDOwledge of his trees' structural 

 formation, and particularly in relation to their feeding roots, has a 

 special advantage over the one lacking such information. 



The Northern Spy variety, on account of the freedom with which 

 it produf-e.s roots from the leaf buds on the scion of the root-graft, the 



Plate 92. — Point of Feeding Root shown in Plate 91 (Fig. 1), but more 



highly enlarged. 



regular and extensive branching habit of the root system together with 

 its immunity from Woolly Aphis, is now almost exclusively used as 

 stocks for the others in cultivation. 



Although most of the cultivated varieties apparently maintain their 

 respective characteristics in relation to their growth, blossoming, and 

 fruiting habits, &e., yet it is probable that, in connexion with bitter pit. 



