546 GEOLOGICAL SURVEY OF NEW JERSEY. 
P, hyalina, Pers. 
Decaying pine wood. 
P, miniopsis, Eli. 
Outer bark of living maples. 
P. rhabdocarpa, Ell. 
Dead twigs of Comptonia. 
P. acerina, C. & E. 
Fallen maple leaves. 
P, cupressina, Batsch. 
Dead foliage of white and red cedar. 
P. echinulata, Awd. 
Fallen oak leaves. 
P. myricacea, Pk. 
Twigs of Myrica. 
P. incondita, Ell. 
Among mosses in swamps. 
P. nysszegena, Ell. 
Decaying nutlets of Nyssa. 
P. gracilipes, Cke. 
Fallen petals of Magnolia. 
P. nigrescens, Cke. 
Decaying stems of Erigeron. 
P. fumosella, C. & E. 
Decaying pine leaves. 
Sub-Genus._MOLLISIA. 
P. Gnotherae, C. & E. 
Dead stems of Gnothera biennis. 
P. aquifolia, C. & E. 
Fallen holly leaves. 
P. fumigata, E. & E. 
Rotten Magnolia. 
0 
introviridis, C. & E.' 
Old oak stumps. 
