In preparing this paper the following works have been consulted
-Babington's ' Lichens of Tasmania," in Hooker's
flora of the island, by a most accurate and painstaking lichenologist,
many of whose names are now obsolete from changes
of classification. The classification is that of Dr. Jean Muller, and the
reference following the name of each species is the authority
by which the plant is regarded as Tasmanian
