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would have to be treated as opaque objects unless we are fortunate to find a similar 
natural graft at a far earlier stage. Obviously the fusion is analogous to the artifical 
union of parts which occurs in grafting and budding. But in his important paper* 
Shattock but cursorily alludes to the subject. 
* " On the Rsparative Processes which occur in Vegetable Tissues," by Samuel G. Shattock. Proc. Linn. So:., xix, 1. 
EXPLANATION OF FIGURES. 
A. Composite log of White Gum and Stringybark. The line of demarcation between the smooth bark 
of the White Gum and the fibrous bark of the Stringybark is evident ; the letter A has been 
repeated four times to roughly show the line of demarcation of the two woods, which is very 
evident in the original or in a coloured drawing. 
B. The dark-coloured stem of an Apple-tree (Angophora) growing out of the smoother, paler trunk of 
a Swamp Gum (Eucalyptus tereticornis). (C. T. Musson, photo. 1903.) 
C. The same. Mr. Musson makes the note " Where the small white patch shows in the centre of the 
dark area, there has evidently been union." (C. T. Musson, photo. 1914.) 
D. Woollybutt (Eucalyptus longifolia) and Apple (Anjophora intermelia) growing together in a 
remarkable manner in the park, Moruya. (H G. Smith, photo.) 
