GENERAL PRACTICE. DOUBLE GRAFTING. 



129 



Heart or Bigarreau varieties otherwise not succeeding on the Mahaleb. This is shown in 

 A, the scion (t) properly fitted to the intermediate stock, the junction of stock and scion 



u 





Fig. 21. DOUBLE-TONGUE AND WEDGE GRAFTING. 



References : R, S, T, U, preparing stocks ; V, W, X, preparing scions ; Y, scion prepared for insertion in stock, Z ; 

 A, scions fitted ; B, cherry in growth ; (7, wedge grafting ; D, cherry in growth ; E, double-grafti >g pears on quince 

 stock. For details see text. 



(u) of the previous year's working showing perfect union. B shows successful double 

 grafting of the cherry, namely : v, Large Black Bigarreau cherry scion in growth ; w, 

 VOL. i. s 



