Decades of North American Lichens.

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

310. Lecidea platycarpa, Ach. forma steriza, (Ach.) Nyl. On rocks.

Summit of Mt. Moosilauke, Franconia Mountains, N. H., Aug. 10-17, 1898, alt. 4811 ft. Coll. Clara E. Cummings.

Yale University Herbarium

YU.237391