LICHENES EXSICCATI

Second Series, distribution begun January, 1925.

First series published 1909-1914.

G. K. MERRILL, Rockland, Maine, U. S. A.

139 Pertusaria amara Ach.

trunks of various trees, near base.

Rockland, Maine. G. K. Merrill, 1927

Yale University Herbarium

YU.238163