Evernia prunastri Linn. Lichenes. ACH.
Northern Europe, America and Asia.
This lichen was observed by
Sibthorp and Bory on the branches of plum and other trees throughout
Greece and around Constantinople. According to Forskal, it is imported
in shiploads from Greece into Egypt and mixed in bread. According to
Lindley, it has a peculiar power of imbibing and retaining odors.