296 GEOLOGY OF OHIO. 



GRAPHIDACEI. 



27. LECANACTIS (Eschw. Koerb., emend.) 



LECanactis premnea chi,oroconia Tuck. [Bueltia premnea chloroconia Tuck.) 

 Prospect (Marion Co.) E. E,Bogue. 



28. OPEGRAPHA (Humb.) Ach. Nyl. 



OPEGRAPHA ATRA MACUI,ARIS Fr. 



"On trunks," near Cincinnati, Thos. G. Lea (Cat.) 



OPEGRAPHA SCRIPTA tjmiTaTA Schaer. 



"On trunks," near Cincinnati, Thos. G. Lea (Cat.) 



Opegrapha scripta serpEnTaria Schaer. 



" On trunks," near Cincinnati, Thos. G. Lea ( Cat.) 



OPEGRAPHA varia (Pers.) Fries. 



On maple, Waynesville (Warren Co.) H. A. Surface; on old elm bark, Georges- 

 ville (Franklin Co.) W. C. Werner. 



OPEGRAPHA VARIA PUUCARIS Fr. 



" On trunks," near Cincinnati, Thos. G. Lea ( Cat.) 



OPEGRAPHA VULGATA (Ach.) Nyl. 

 Dayton, Miss H. J. Biddlecome. 



29. GRAPHIS Ach. Nyl. 



Graphis scripta Ach. 



On trunks, very common. 



30. ARTHONIA Ach. Nyl. 



Arthonia astroides Ach. 



Champaign Co., Mrs. E.J. Speuce, Miss H. J. Biddlecome; Franklin Co., Win. 

 C. Werner. 



Arthonia dispersa Nyl. 



Springfield, Mrs. E. J. Spence. 



Arthonia lecideeixa Nyl.. 



Springfield, Mrs. E. J. Speuce ; on Honey Locust, Columbus, W. A: Kellerman. 



Arthonia poi,ymorpha Tuck. (Opegrapha polymorpha. Tuck.) 



"On trunks,'' near Cincinnati, Thos. G. Lea (Cat.); on maple, Madison Co. 

 Win. C. Werner. 



