328 NINETEENTH REPORT. 



LEGENDS. 



Plate XII. The clover leaf-spot disease in various stages. (Leaves naturally 

 infected.) 



Plate XIII. The clover leaf-spot fungus and its effect on the leaf. (29 figs.) 



Plate XIV. The clover leaf-spot fungus and its eflPect on the leaf. (11 figs.) 



Plate XV. Plants sprajed with an old, attenuated culture. 10 days. 



Plate XVI. Plants sprayed with a newly isolated, virulent culture. 10 days. 



