EUASCOMYCETES 



185 



Fig. 117. — Penicillium " crustaceum." A. Mycelium with conidiophores. B. Single 

 condiophore. C. Young copulation branches. D. Growth of ascogenous hyphae in the 

 knot of peridial hyphae. E. Young perithecium before hardening of the walls. F. 

 Sclerotic perithecium. G to K. Development of asci. L. Ascospores. (A X 60; B X 

 315; C, D, G to J X 630; E, F X 150; L X 800; after Brefeld, 1874.) 



