FIG. 7.—HYPHAE OF THE POTATO RHIZOCTONIA FROM 
DRAWING BY MR. SIRRINE. 


Fic. 6.—RHIZOCTONIA Fic. 5.—A POTATO TUBER SHOWING THE SCLEROTIA OF THE 
SCLEROTIA ON A RHIZOCTONIA. (% NATURAL SIZE.) 
POTATO STEM. (NA- 
TURAL SIZE.) 
