Decades of North American Lichens.

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

283. Buellia parasema, (Ach.) Th. Fr.,

var. microcarpa, (Ach.) Koerb.

Spores occasionally as in var. triphragmia, Nyl.

On Abies balsamea.

Van Buren, Maine, July 29, 1893.

Coll. Clara E. Cummings.

Yale University Herbarium

YU.240340