PROPAGATION BY GRAFTING. 



47 



ing, or tongue grafting, a, b. The top of the stock and 



the base of the cion are cut off obliquely at corresponding 



angles, as nearly as can be guessed by the eye , the tip of 



Fig. 1. 



the stock is then cut off horizontally ; next a slit is made 

 downwards in the centre of the sloping face of the stock, 



Fig. 2. 



and a corresponding slit upwards in the corresponding face 

 of the cion. The tongue or upper part of this sloping base 



