THE LICHEN FAMILY. 517 



Lecidm punctata (parasema, Sm.) T. (smooth-barked), W. 

 E. B. xxi. 1450 (as Lichen parasemus). 



sanguindria. M. R. 



E. B. iii. 155 (as Lichen sanguinarius). 



sphceroides {incana, Sm.) T. W. 



E. B. xxiv. 1683 (as Lichen incanus). 



aeruginosa [icmadophila, Sm.) Turfy places, under the shade 



of heath, common, forming large white or greenish patches, very 

 conspicuous and beautiful in damp weather. 



E. B. vi. 372 (as Lichen ericetorum). 



■ ferruginea. On sandstone and other rocks. 



E. B. xxiii. 1650 (as Lichen ferrugineus). 



■ aurantiaca. T., especially willow and poplar; also on rocks 



and stones. 



E. B. xix. 1305 (as Lichen salicinus). 

 When moist, it smells strongly of saffron. 



Opegrapha saxatilis. "VV. (sandstone). Remarkable for its chalky 



whiteness, and the intense black of the sporiferous clefts. 



E. B. XXV. 1790 (as Opegrapha calcdrea), 



varia. Ash-trees. 



E. B. xxvii. 1890 (as Opegrapha notha). 



atra. T. 



E. B. XXV. 1753 (as Opegrapha denigrata). 



vulgata. T. 



E. B. xxvi. 1811. 



Graphis scripta. T., especially hazles. 



E. B. xxvi. 1813 (as Opegrapha scripta). 



hecanactis lyncea [Opegrapha, Sm.) Oak-trees. 



E. B. xii. 809 (as Lichen lynceus). 



Arthonia astroidea. T. 



E. B. xxvi. 1847 (as Opegrapha astroidea), 



Spiloma decolorans. W. 



E. B. xxxiv. 2399. 



CaUcium tympaneUum. On old palings, and the tops of posts, growing 

 transversely to the wood, not uncommon; sometimes on the 

 bark of trees. 



E. B. xii. 810 (as Lichen inquinans). 



cluvellum. On boarded buildings, common. 



E. B. xxi. 1465 (as Lichen clavellus). 



