94 EXPLANATION OF PLATES. 



PLATE XIII. 



Figs- 



21. Jonathan from Mr. Hatfield's orchard, with black blotches run together into an 



apparently continuous mass, fully one inch in diameter (28/4/16). 



22. Discoloured portion of skin removed from same, showing scattered patches of 



brown tissue. 



23. Group of Yates apples grown at Greensborough, of small size, and ^howing 



"crinkle" combined with Pit, which is unusual for this variety (7/6/16). 



24. Yates with side portion removed, and in transverse section, showing both Pit 



and "crinkle." 





