XIU 



Page 



Injuries to the bark 797 



Historical survey 797 



Personal observations 805 



Bending of the branches 810 



Twisting of the branches 815 



Effect of constricting the axis 817 



Branch cuttings 821 



Utilization of various axial organs for cuttings 825 



Grafting 829 



Oculation, or budding 833 



Copulation and grafting 838 



Longevity of grafted or budded individuals 839 



Mutual influence of scion and stock 841 



Natural processes of coalescence 847 



Wound protection 850 



Wound gum 851 



Slimy exudation of trees 854 



Root injuries 856 



Gnarly overgrowth edges 859 



Bark tubers 861 



Leaf injuries 871 



Leaf cuttings 873 



Injury to the foliage 879 



Supplement 881 



