326 



Edwin F. Hopkins 



On the flowers 



The lesions on the flowers (Plate XXXIII) are very striking, especially 

 on red varieties of tulips. They begin as minute spots, whitish to light 

 brown, the color being bleached from the perianth. These spots are 



Fig. 28. lesions on the flower 

 Natural size 



evenly distributed over the surface and usually show no Botrytis 

 fructification (fig. 28). After the lesions enlarge, however, they turn a 

 deeper brown and involve the entire segment of the perianth, which 

 finally becomes dry and wrinkled. At this time they show abundant 

 conidiophores. The whole flower may be affected and appear blighted. 



