CLASSIFICATION. 8. 



IV. Spores nuked, on conspicuous threads, rarely compacted, 



small HYPHOMYCETES. 



Fertile threads compacted, sometimes cellular 

 Stem or stroma compound 



Spores dry, volatile ..... Isariacei. 

 Mass of spores moist, diffluent . . . Stilbacei. 

 Fertile threads, free or anastomosing 

 Fertile threads dark, carbonized- 

 Spores mostly compound .... DematieL 

 Fertile threads not carbonized-^ 

 Very distinct 



Spores mostly simple . . . Mucedines. 

 Scarcely distinct from mycelium 



Spores profuse . . . . Sepedoniei. 



DIVISION II. SPORIDIIFERA. Sporidia in Asci. 



V. Fertile cells seated on threads, not compacted into a 



hymenium PHTSOMYCETES. 



Threads felted, moniliform 



Sporangia irregular Antennarlei. 



Threads free- 

 Sporangia terminal or lateral . . . . Muc.ormi. 

 Aquatic . . . . , . . . Saprolejniei. 



VI. Asci formed from the fertile cells of a hymenium . ASCOMYCETES. 

 Asci often evanescent 



Receptacle clavseform 



Asci springing from threads . . Onyyenei. 

 Perithecia free 



Asci springing from the base . - fc. ; Ptrisporiacd. 

 Asci persistent 



Perithecia opening by a distinct ostiolum . . Sphceriacd. 

 Hard or coriaceous, hymemnm at length exposed Pkacidlacei. 

 Hypogseous ; hymenium complicated . . . Tuberacei. 

 Fleshy, waxy, or tremelloid; hymenium mostly 

 exposed ....... ELvdlacei. 



