<S8 ILLINOIS BIOLOGICAL MONOGRAPHS [234 



PLATE XVI 



Fig. 101. Phyllachora No. 4. Photograph of leaves showing character of the spot, stromata 

 and of the host. Actual length of stem as shown 9. cm. 



Fig. 102. A portion of the leaf shown in fig. 100 enlarged to show the stromata. 



Fig. 103. Phyllachora No. 6 showing stromata and host. Actual length of stem shown 9 

 cm. 



