Previous Index Next

 

LICHENS

Family PYEENULACEAE.

Pyrenula gemmata (Ach.) Naeg. and Hepp. Trees. hyalospora (Nyl.) Tuckerm. Trees.

,(

leucoplaca (Wallr.) Koerb. Trees.

REFERENCES.

Fink. The Lichens of Minnesota. Smithsonian Inst. Washington. 1910.

Tuckerman. North American Lichens. Boston. 1882.

Schneider. A Text-book of General Lichenology. Binghampton, N.Y. 1897.

187

Picture

Previous Index Next