5 
Umbilicaria Dillenii, Tuck. Rocks along Hammer Creek. 
U. pustulata (L.), Hoffm. b. papulosa. Chestnut Hill. 
U. Muhlenbergii, Tuck. Speedwell. 
Endocarp07i miniatum var. Muhlenbe7'gii, Ach. Conestoga 
Creek. 
E. 7ni7iiatu77t , Ach., var. co7nplmatu7fi. Conestoga creek. 
Strmgula to7npla7iata (Fr.), Mont. Nyl. Smithville. 
Physica stellaris, L. Mountville. 
P. hypoleiica (L.), Michx. Fite’s Eddy. 
P. leuco7fiela (L.), Michx. Fite’s Eddy. 
P. obscura (Ehr.), Nyl. Hershey’s dam. 
LecaTiora palida (Schreb.), Schaer. Pequea. 
L. elatma (L.), Ach. Glen Manor. 
L. subfusca (L.), Ach. Glen Manor. 
Theloschistes parietmus (L.), Norm. Conewago. 
Co7iotre7na urceolatuTn (Ach.), Tuck. Glen Manor. 
StereocauloTi paschale (1..), Fr. Island above Peach Bottom. 
S'. condensatu7fi, Hoffm. Beartown. 
ATtthonia spectabilis, Fr. Habecker’s woods. 
Graphis scripta, L. Fite’s Eddy. 
Note: In naming some of the most difficult specimens in 
the above list, Mrs. Eby acknowledges the assistance of Clara 
E. Cummings, of Wellesley College, Mass. 
V 
