12b liiiPOKT Off 1U.M1 DiirAlilMKWT Off JiuTAi^i: Vh' TUE 



EXPLANATION OF PLATE I. 



Fig. 1. A leaf of red currant affected with QntJiracnose, Glcieos- 

 poriiim ribis. Natural size. 



Fig. 2. Spores of GloeosiJorium ribls. Magnification 825 diame- 

 ters. 



Fig. 3. A leaf of red currant affected icith leaf spot, Septoi-iu 

 ribis. Natural si::€. 



Ft.g. 4. A leaf of red currant shotving the wo7-Jc of the four-lined 

 leaf-lug, Poecilocapsus lineatus. Natural size. 



