Figure Pag( 



31. Scanning electronmicrograph of a 



mature MB spore of B. dimorpha . 80 



32. Transmission electronmicrograph of an 

 immature NMB spore. 83 



33. Transmission electronmicrograph of two 

 immature MB spores within a delicate 

 pansporoblast membrane. 83 



Vlll 



