Cenangiaceae 



295 



On branches of Comptonia asplenifolia. 

 Type locality: Newfield, New Jersey. 

 Distribution: New Jersey and Ontario, Canada. 

 ExsiccATi: Ellis, N. Am. Fungi 844. 



Fa mil 



V 0. 



CENANGIACEAE 



Conidial stage present, variable in form, or unknown. 



Apothecia usually occurring on woody plants, at first im- 

 mersed and bursting through the outer bark, singly, or more often 

 in cespitose clusters, cup-shaped, often opening with an irregular 

 aperture, or discoid to patellate, pale to dark brownish-black, 

 fleshy, wax\-, or leathery, becoming horny when dry; asci usually 

 broad-clavate, 4-8-spored; spores simple, ellipsoid, allantoid, 

 rarely subglobose, or fusiform to filiform, then usually several- 

 septate, hyaline, or colored; paraphyses filiform, often strongly 

 enlarged above, the ends free or glued together forming an 

 epithecium, hyaline, or colored. 



Asci containing 4-8 ascospores. 

 Ascospores simple. 



Apothecia tomentose. 

 Apothecia not tomentose. 



Ascospores remaining h\aline. 

 Spores not over 14-20 m long. 

 Spores 30 yu or more long. 



Apothecia hysteriform when >oung. 

 Apothecia not hysteriform. 

 Ascospores becoming brown. 

 Ascospores becoming septate, with cross walls onl\-. 

 Asci with ascospores only. 

 Spores 1 -septate. 

 Spores hyaline. 

 Spores becoming brown. 

 Spores more than 1-septate. 



Spores long fusoid to filiform. 

 Spores ellipsoid, becoming tardih- septate. 

 Apothecia light-colored; conidia ellip- 

 soid. 

 Apothecia dark-colored; conidia fusi- 

 form. 

 Asci with both ascospores, and spermatoid 

 bodies. 

 Ascospores with cross and longitudinal walls 

 (muriform). 

 Asci containing only spermatoid bodies. 



1. Velutaria. 



2. Cenangium. 



3. Dermateopsis. 



4. GoDRONIOPSIS. 



5. Sphaerangium. 



6. Cenangella. 



7. Dermatella. 



8. godronia. 



9. Pezicula. 



10. Dermea. 



11. durandiella. 



12. murangium. 



13. Tympanis. 



