/ 



3 I 2 



Fig. I. — Drawing of dead Red Clover root in spring .sho\\-ing the black 

 sclcrotia at the collar and on the root. 



Fig. 2. — DraAnng shoAnng the "toad-stool" like bodies (apothecia) produced 

 from the sclerotia with the soil washed awa\-. These fungi develop in late autumn 

 and discharge spores which bring about new outbreaks of the disease. 



Fig. 3. — ^I^hotograph of a group of apothecia in situ. (For this photograph the 

 Ministry is indebted to Mi. F. R. Petherbridge, M.A., of Oimbridge University.) 



