Yale University Herbarium

YU.239595

LICHENES AMERICANI EXSICCATI

*Collected and prepared by M. E. Hale*

No. 64. CETRARIA OAKESIANA Tuck.

Cf. M. E. Hale, Bryol. 59: 114. 1956

On *Prunus serotina*.

West Virginia: near Cheat Bridge, Randolph Co. May, 1956.

Chemical contents: caperatic and usnic acids.