1916] 



PARASITIC KHIZOCTONIAS IN AMERICA 



291 



FIG. 6. GREEN TOMATO SHOWING THE SUPERFICIAL ASHY GRAY MYCELIUM OF Cor- 

 ticium vagum B. & C. PRESENT AT THE POINT WHERE THE TOMATO TOUCHED 



THE SOIL 



FIG. 7. ENLARGED VIEW OF A SECTION OF FIG. 6, SHOWING THE DARK STRANDS OF 



HYPH.E AND SMALL, SPHERICAL, BROWNISH SCLEROTIA OF Rhizoctonia Solani 

 KUHN WITH THE ASHY GRAY NETWORK OF MYCELIUM OF Corticium vagum 



B. & C. (5x) 



