PLATE 60 



A. — Typically infected leaf of Fortunella margarita. 



B. — Old leaf of Citrus grandis, with raised, compact, oily, unruptured spots. Com- 

 pare leaf textiu-e and type of spots with those of Fortunella margarita-. 



C. — Fortunella Hindsii, with ruptured corky spots. Compare with the spots foimd 

 on F. -margarita. 



D. — Citrus sp, Kansu or Yuzu orange. Small spots produced on the leaves of these 

 plants are numerous but never increase in size. 



E. — Citrus aurantifolia, showing typical infections. All natural size and from green- 

 house experiments. 



