North American Musci Pleurocarpi Supplement
ISSUED BY A. J. GROUT, PH. D.

18. Orthothecium chryseum (Schwaegr.) B. & S.
On rocks in stream, marble Canyon, Banff, British
Columbia. By Undermere Highway. Aug. 1,
1927.

Coll. F. A. MacFadden. Det. A. J. G.

Yale University Herbarium

YU.233720