546 The Ohio Naturalist. [Vol. XII, No. 8, 



Lecidea contigua Fr. On sandstone: C 2. 



Lecidea cyrtidia Tuck. On sandstone: C () S 1 . 



Lecidea entcrolcuca Ach. On bark (Alder, ash, hickory, willow) 



and on rock : C3G102S1. 

 Lecidea platvcarpa Ach. On argillaceous slate and sandstone: 



C 28 S L 

 Lecidea speirea Ach. On sandstone: C 4 S 1. 

 Lecidea uliginosa (Schrad.) Ach. On earth: C 2. 

 Lecidea vemalis (L.) Ach. On decayed wood: C L 

 Lecidea viridescens (vSchrad.) Ach. On decayed roots and over 



moss: L 1 S L 

 Leptogium lacerum (Retz.) vS. F. Gray. On old bark and over 



moss on rock: C 2 O 2. 

 Leptogium pulchcllum (Ach.) Nyl. On old bark and moss: C 4 Ml 

 Leptogium tremelloides (L.) S. F. Gray. On moss over old bark 



and limestone and on boulder : C (i 1 S L 

 Mycoporum sparsellum Nyl. On bark (Iron wood): S L 

 Nephroma laevigatum Ach. On old bark: C 2. 

 Omphalaria pulvinata (Schaer.) Nyl. On limestone: O L 

 Opegrapha varia Pers. inch var. notha, (Ach.) Nyl and pulicaris, 



(Ach.) Nyl. On bark (Basswood, chestnut, elm, maple, 



sycamore, willow) : C14G1L102. 

 Opegrapha viridis Ach. On bark (Elm, oak) : C 3 1 vS L 

 Opegrapha vulgata Ach. On bark (Ash, maple, sycamore) : C 4. 

 Pannaria nigra (Huds.) Nyl. On limestone: C 1 O 3. 

 Parmelia borreri rudecta (Ach.) Tuck. On bark (Hickorv, maple, 



oak, red cedar) and old bark: C 6 E 9 O 3 P 1 St L 

 Parmelia caperata (L.) Ach. On bark (Beech, hickory, oak, 



svcamore, willow); over moss; on fence rails and on rocks: 



C IGGILI M20 1 P4St 1. 

 Parmelia conspersa (Ehrh.) Ach. On sandstone: C 1. 

 Parmelia olivacea (L.) Ach. On bark (Birch, oak, willow): 



C 1 E 3. 

 Pamiclia perforata (L.) Ach. On bark (Maple, oak): C 1 M 1. 

 Parmcha perlata (L.) Ach. On bark (Maple); on rock: C 4 



E 1 G 1 M 1. 

 P. perlata ciliata (Lam. & DC.) Schaer. On bark (Hickorv, 



maple) : C (3 G 1 O 2. 

 Parmeha physodes (L.) Ach. On bark (Ash, willow); on fence 



rails and dead tamarack branches: C 2 G 1 P 3. 

 Pamieha saxatiHs (L.) Ach. On bark (Hickory, maple, willow); 



on old bark, on rock and moss over rock: C 12G1L1M2 



O 1 P2. 

 Pannelia tiliacea (Hoffm.) Ach. On bark (Alder, ash, hickory, 



maple, willow) : C 9 G 3 L 1 M 3 P 4 S 2. 

 Peltigera aphthosa (L.) Willd. On rock and over moss on rock: 



C5 L 1 S L 



