PERISPORIEAE. 



179 



Aspergillus, Faiicilliam, Zopfia, Pcrisporiuin, Lasiobotrijs, Apio- 

 sporium, Caimodiuvi, Astcrina, Microthyriuiifh. 



To this sub-division of the Perisporiaceae belong some com- 

 mon forms of mould-fungi which are generally only saprophytic, 



Fio. l^.—PhyUactlnia suffulta from Beech. Perithecium, with characteristic 

 appendages. Contents of the perithecium : asci, spores, and cliains of cells 

 resembling paraphyses. (v. Tut>euf del.) 



but occasionally find their way into fruit with broken epidermis. 

 They are thus found carrying on secondary decay and rot, where 

 other diseases have begun the attack. 



