Note on the Distribution of<i>Lichina confinis</i>and<i>L. pygmaea</i>in the Plymouth District

Abstract

Very little work has as yet been done on the occurrence and distribution of marine lichens in the Plymouth district. The present investigation of the genus Lichina was undertaken at the suggestion of Dr. J. H. Orton, who, having noticed the two Lichina species at New Train Bay near Pad-stow, North Cornwall, thought it might be of interest to determine their distribution in the Plymouth area.