PLATE 4 
Diseased leaflet of red clover, magnified to show details. 
Photograph of the lower surface of a diseased red clover leaflet, magnified fivefold. 
This is the central leaflet shown in Plate i, C. It illustrates the distribution of 
lesions in the intervenous tissue, also the lighter dried-out central area with dark, 
water-soaked margin, characteristic of the well-advanced lesion. 
