North American Musci Perfecti.

ISSUED BY A. J. GROUT, PH. D.

16. Plagiothecium piliferum (Sw.) B. & S.

Base of alder tree. Ashland, Pierce Co.,

Washington, Sept. 1, 1900

Coll. O. D. Allen.

Comm. N. Y. Botanical Gardens.

Yale University Herbarium

YU.233894