50 Journal of Mycology [Vol. 18 



10. Hypoxylon sassafras (Schw.) Berkeley. 



Sphaeria sassafras Schweinitz, Syn. Fung. Car. Sup. 



lo. 1822. 

 Hypoxylon sassafras Berkeley, Grevillea, 4:52. 



1875- 

 The perithecia are large and either single or confluent. On 

 dead branches of Sassafras. 



11. Hysterographium MORI (Schw.) Rehm. 



Hysterium mori Schweintiz, Syn. Fung. Am. Bor. 



244. 1832. 

 Hysterographium mori (Schw.) Rehm. Ascomy- 

 cetes 363. 1877. 

 This is a very common and variable species. The specimens 

 issued here occur on decorticated wood of Gleditsclua. The 

 plants are often very thickly crowded and mostly parallel with 

 the grain of the wood. 



12. Hysteropatella prostii (Duby) Rehm. 



Hysterium prostii Duby, Bot. Gall, 2 79. 1830. 

 Hysteropatella prostii (Duby) Rehm. Rabenh., 

 Krypt-Flora, r' :367. (Ed. 2.) 1896. 

 Plants usually scattered and with the lips widely gaping. 

 The plants occur on either side of the young fallen bark of 

 (elm?). 



13. Melasmia gleditschiae Ellis & Everhart. Jour. Myc. 



4:45. 1888. 



Leptrostroma hypophylla Berk. & Rav., Ravenel, 



Fungi Carol. Exs. 3 145. 1855. 

 Melasmia hypophylla P. Sydow, in Sacc. Syll. Fung. 

 10:419. 1892. 

 On leaves of Gleditschia triacanthos. 



14. MiCROSPiiAERA SYMPiiORicARPi E. C. Howc. Bull. Tor- 



rey Club, 5 13. 1874. 

 Salmon considers this as a form of M. diffusa Cooke & Peck, 

 but American mycologists have usually accorded specific rank to 

 both. 



15. MoLLisiA DEHNii (Ral)enh.) Karsten. 



Peziza dehnii Rabenhorst, Bot. Zeitung, i :i2. 1843. 

 MoUisia dehnii (Rabenh.) Karsten, Myc. Fenn. 

 I :2o6. 187 1. 

 Plants occur in abundance on the stems and leaves of Po- 

 ientilla nonrgica and related species. 



