Decades of North American Lichens.

CLARA E. CUMMINGS, T. A. WILLIAMS AND A. B. SEYMOUR.

228. Biatora rubella, (Ehrh.) Rabenh., Mass.
J. J. porriginosa, (Ach.) Tuck.

On Thuga occidentalis.

Ft. Fairfield, Aroostook Co., Me., July 11, 1893.

Coll. Clara E. Cummings & Emma A. Teller.

Yale University Herbarium

YU.238053