t*Koc. Koch. Acau. Scie> 



\'ol.. 4. Pl.AlE XX. 





CBS. 



<^^ >^o}r c/U. 



Kig. 



Fig- 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fie. 



— Sporidia of Ophioboltis sceliscophorus. 



— Sporidia of Hypoderma ptarmicola. 



— Hyphomycetous growth accompanying Amphispluriia bertiana. 



— Sporidia of Amphisphesria bertiana. 



—Hairs of the perithecia of Leptospora stictocho'tophora 



—Sporidia of the same. 



Ostiolum of Diapotthr ailanthi\ illustrating retropulsion of the sporidia 



PVRENOMYCFTE.+:. 



