EXPLANATION OF THE PLATE II. 



Sclerospora gramicicola Schrt 



Deformed inflorescence of the diseased plant ; nat. size. 

 , 4, and 5. Metamorphosed flowers magnified; f. 



Diseased leaves on the upper part of the stem, 



layer of the cell wall. Zeiss. DD X 3. 

 Figs. 8, 9 and 10. Different stages of developement of the oospore. Zeiss. E X 3. 

 Fig. 11. a-f. Well developed oospore, somewhat swollen by the addition of potash 



solution, g-h. Oospore infested by Paramaecium. i-j. Outer layer of the 



Figs. 12-19. Different stages of developement of the conidial fructification. Zeiss. 

 DDx 3. 



Fig. 20. Conidia of roundieh-oval shape. Zeiss. DD x 3. 

 Fig. 21. Conidia of oblong shape. Zeiss. DD X 3. 

 Fig. 22. Conidia much magnified. Zeiss. E x 3. 



Fig. 23. Conidiophores (Zeiss. DD X 4) and Spores of Fumrium hderospwium (Zeiss. 

 E X 3). 



