T.IClIKSF.S. 251 



A. spectabilis, Flot. Various barks. 



A. astroidea, Ach. Bark. 



Afvcoponim pvcnocarpum, Xyl. Various barks. 



Acolium tigillare, De Not. Trunks and old rails. 



A. viridulum, De Not. Red pines. 



Calicium trichiale. Ach. Rough bark of trees. 



C brunneoluni, Ach. Decaying wood. 



C. chrysocephalum, Ach. Bark of hemlocks, etc. 



C. curtum. Turn, and Borr. Old wood. 



C. subtile, Fr. Decaying wood. 



C. trachelinum, Ach. Decaying wood and trunks. 



C phoecocephalum, Turn. Old wood. 



C. tuibinatum, Pers. Crust of Pertusaria pertusa. 



C. Curtisii, Tuck. Bark of Rhus. 



Coniocybe furfuracea. Fr, Earth, dead bark, swamps. 



C. pallida, Fr. Bark of Ash and Oak. 



Endocarpon miniatum, var. complicatum. Schxr. ; wet 

 and dry rocks. — var. Muhlenbergii. Nyl. ; rocks near 

 streams. — var. fulvo-fuscum, Tuck. ; rocks. — var. a- 

 quaticum, Schicr. ; wet rocks. 



E. pusillum, Iledw. Earth. 



E. rufescens, Ach. Earth. 



Staurothele umbrina, Wahl. Granite rocks. 



S. diftractella. N\l. Schistose rocks. 



Trvpethelium virens. I'uck. Trunks. 



Sagedia oxyspora, Ach. On bark of Birch and Oak. 



S. Cestrensis, Tuck. Bark of the Beech. 



Verrucaria epigie, Ach. Naked earth. 



V. nigi"escens, Wahl. Rocks and limestones. 



V. virens. Nyl. Rocks. 



V. rupestris, Schrad. Limerocks. 



V. muralis, Ach. Old mortar and limerocks. 



Pyrenula punctiformis. Ach. \'arious barks». 



P. gemmata. Ach. Trunks. 



