236 



UNIVERSITY OF CALIFORNIA EXPERIMENT STATION. 



one scion from the first with a large surface exposed to decay. After 

 inserting the scions and removing the wedge the scions may be tied in 

 with soft budding twine, wrapped several times around the whole stub, 



FIG. 37. Large, top-grafted tree. J. B. Neff's orchard. 



but this is not ordinarily very necessary. Only in cases where the 

 work is being done with extreme care is tying often resorted to. 



One of the most important operations of the whole process is that of 



