CANADIAN LICHENS.

PREPARED BY J. MACOUN.

69. Arthonia astroidea, (Ach.) Nyl.

On coniferous bark.

Belleville, Ont., April 10th, 1878.

Coll. J. MACOUN.

Yale University Herbarium

YU.236212

SHEFFIELD SCIENTIFIC SCHOOL,

DANIEL C. EATON COLLECTION.