312 



The North American Cup-Fungi 



Cenangella violacea Ellis & Ev. Proc. Acad. Sci. Phila. 1893: 149. 1893. 

 This belongs with the Hysteriaceae and may be a Glonhim. Cenangella thujina 

 appears to be identical. 



7. DERMATELLA Karst. Myc. Fenn. 1: 209. 1871. 

 Phaeangella Sacc. Syll. Fung. 18: 128. 1906. 



Apothecia erumpent, cupulate to discoid as in Dermea; asci 

 cylindric to clavate, 4-8-spored; spores ellipsoid to fusoid, at 

 first hyaline, becoming yellow, green, or brown, and 1-5-septate; 

 paraphyses filiform to clavate. 



Type species, Peziza Frangulae Pers. 



Asci 4-spored. 

 Asci 8-spored. 



Occurring on conifers, Juniperus. 

 Occurring on deciduous trees. 

 Spores 10-12 X 24-35 n. 

 On Fraxinus. 

 On Magnolia. 

 Spores 6-8 X 12-24 yu- 

 On branches of Carya. 

 On unidentified branches. 



1. Dermatella Frangulae (Pers. 

 1871. 



1. D. Frangulae. 



2. D. deformata. 



3. D. Fraxini. 



4. D. Magnoliae. 



5. D. caryigena. 



6. D. montanensis. 



Karst. Myc. Fenn. 1: 209. 



Peziza Frangulae Pers. M^x. Eu. 1: 324. 1822. 

 Tympanis Frangulae Fries, Syst. Myc. 2: 174. 1822. 

 Cenangium Frangulae Tul. Ann. Sci. Nat. III. 20: 136. 1853. 

 Dermatea Frangulae Tu\. Fung. Carp. 3: 161. 1865. 

 Pezicula Frangulae Fuckel, Symb. Myc. 279. 1869. 



Apothecia erumpent, usually occurring singly, or often 

 several together, turbinate and prominent, at first closed, open- 

 ing with an irregular margin, dark brownish-black, less than 

 1 mm. in diameter; hymenium lighter than the outside of the 

 apothecium, becoming dark with age; asci clavate, reaching a 

 length of 80-85 /x and a diameter of 12-14 n, 4-spored; spores 

 usually 1 -seriate, ellipsoid, becoming 3-septate, at first hyaline, 

 becoming brown, 8-10 X 20 22 /j.; paraphyses rather stout, 

 enlarged above to about 4 ij. in diameter. 



On branches of Rhamnus purshiana. 



Type locality: Europe (on Rhamnus Jrangula). 



Distribution: Trinidad, California; also in Europe. 



Illustrations: Fuckel, Symb. Myc. pi. 4, f. 46; Ann. Sci. 

 Nat. 111.20:^/. 16, f. 1-8. 



