EXPLANATION OF PLATES. 



PLATE II. 



(Figs. 7-10 from photographs by F. A. Joyner.) 



Fig. 



6. Mimroe's Favourite or Dunn's Seedling badly pitted, from young trees, although 



this variety is generally free. (Clarendon, South Australia, 2.4.12.) 



7. Dumelow's Seedling, with Bitter Pit. (Bridgewater, South Australia, 3.5.12.) 



8. Cross section of same, showing brown patches just beneath the skin. 



9. Cleopatra or New York Pippin with Bitter Pit. (Bridgewater, South Australia.) 



10. Cross section of same, showing " mouldy core," in addition to Bitter Pit. 



11. Jonathan Apple, imported from California, showing Bitter Pit. 



