288 GEOLOGY OF OHIO. 



Parmeua criniTa Ach. 



On tree trunks. In fruit, Marion (Prospect Co.), Franklin Co., E. E. Bogue. 



Parmeua ouvaceae (L.) Ach. 



Orwell (Ashtabula Co.) E. E. Bogue. 



Parmeua perforata (Jacq.) Ach. 

 Frequent throughout the state. 



Parmeua peri,aTa (L.) Ach. 

 Franklin Co., E- E. Bogue. 



Parmeua pertusa Schaer. 



Champaign Co., Miss H. J. Biddlecome. 



Parmeua saxitius (I,.) Fr. 



Cedar Swamp ( Urbana ) Mrs. E. J. Spence ; Springfield, Miss H. J. Biddlecome. 



Parmeua Tiuacea (HofFm.) Floerk. 



Champaign Co., Mrs. E. J. Spence, Miss H. J. Biddlecome ; Orwell (Ashtabula 

 Co.) E. E. Bogue ; Morgan Co., W. A. Kellerman. 



7. PHYSCIA (DC, Fr.) Th. Fr. 



Physcia adgujtinata (Floerk) Nyl. 



Champaign Co., Miss H. J. Biddlecome ; on trunks and branches of apple, bass- 

 wood, buckeye and hickory, Franklin Co., Marion Co., E. E. Bogue. 



Physcia aquila detonsa Tuck. 



Not abundant but widely distributed. 



Physcia astroidea (Fr.) Nyl. 



Champaign Co., Miss H. J. Biddlecome. 



Physcia comosa (Schw.) Nyl. (P. galactophylla Tuck.) 



Near Cincinnati, Thos. G. Lea (Cat.); Cedar Swamp (Urbana) Miss H. J. Biddle- 

 come. 



Physcia i,eana Tuck. 



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



Physcia i,eucomeu,a (L.)' Michx. 



Near Cincinnati, Thos. G. Lea (Cat.); Cedar Swamp (Urbana) Miss H.J. Biddle"- 

 come. 



Physcia obscjjra (Ehrh) Nyl. 



Common on limestone fences, trunks and branches of many species of trees. 



Physcia pulverulent a (Schreb.) Nyl. 



Common on limestone fences and tree trunks. 



