PERISPORIEAE. 



179 



-Aspergillus, Penicillmm, Zopfia, Perisporium, Lasiobotrys, Apio- 

 ^pormm, Capnodium, Asterina, Microthyrium. 



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

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



Fig. 76. — Phyliactinia suffulta from Beech. Perithecium, with characteristic 

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

 resembling paraphyses. (v. Twbeuf 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. 



