OF DENISON UNIVERSITY. I3 



P. HiSPiDA (Schreb., Fr.) Tuck. herb. On branches in N. side 

 of Cranberry Marsh, Buckeye Lake, L. 



Sticta (Schreb.) Fr. 



S. AMPLissiMA (Scop.) Mass. Granville, L, Abundant. 



S. PULMONARiA (L.) Ach. Common in Licking couuty, but nouc 

 found with apothecia. A specimen collected in a strip of dry woods 

 one mile N. ot Sonora, Muskingum county, exhibited apothecia con- 

 taining the typical cymbiform spores- 



Peltigera (Willd, Hoffm.) Fee. 



P. HORizONTALis (L.) Hoffm. Munson's Hill near Granville, L., 

 on the earth; near Adamsville, M., on mossy rock. 



P. RUFESCENS (Neck.) Hoffm. Toboso, L. Under a rock ledge. 



P. CANiNA (L.) Hoffm., var., spongiosa. Tuckerm. Granville, 

 L.; Pleasant Valley, M. On the earth and dead-wood. 



Pannaria, Delis. 



P. NIGRA (Huds.) Nyl. Toboso, L.; Pleasant Valley, M. On 

 large sandstone rock. 



Placodium (DC.) Naeg. & Hepp. 



P. FERRUGiNEUM (Huds.) Hepp. Very abundant on small stones 

 in the vicinity of Granville, L. 



P. FERRUGINEUM (Huds.) Hepp., var. discolor Willey in Litt. 

 Granville, L. 



Lecanora Ach., Tuckerm. 



L. cenisia Ach. Granville, L. 



L. SUBFUSCA (L.) Ach. Granville, L. on wood and rocks. 

 L. VARiA (Ehrh.) Nyl. Granville, Buckeye Lake, L. ; Pleasant 

 Valley, M. On trees, well distributed in both counties. 



Rinodina Mass., Stizenb., Tuckerm. 



R. sophodes (x\ch.) Nyl , var. exigua Fr. Pleasant Valley, M., 

 on bark of trees. 



Tribe H. LECIDEACEL 



Cladonia Hoffm. 



C. SVMPHYCARPA Fr. Granville, L. , Zanesville, M., on the eartli 

 abundant. 



C. MiTRULA Tuckerm. Granville, L. 



