96 THE VOYAGE OF H.M.S. CHALLENGER. 



Lecanora chlaronella, Nyl. 



/."■aiwra chlaronella, Nyl., n. sp. 



Lecanora varia, var. symmicta, Stirton in Journ. Linn. Soc. Lond., xiv. p. 370. 



Similis Lecanora chlaroterodi, Nyl. in Flora, 1876, p. 508, Cubanse, sed differt 

 o-elatina hymenialis iodo vinose fulvescente (prsecedentia cserulescentia). Spermogonia 

 non visa. — Journ. Linn. Soc. Lond., xvi. p. 215. 



Bermudas. — On bark of trees ; a very small specimen only seen — Moseley. 



Lecanora bermudensis, Nyl. . 



Lecanora bermudensis, Nyl., sp. n. 



Lecanora subfusca, var. argentata, Stirton in Journ. Linn. Soc. Lond., xiv. p. 371. 



Affiuis Lecanora umbrince, sed mox differens, margine thallino apotheciorum integro, 

 paraphysibus graciliscentibus, &c. Thallus K — . — Journ. Linn. Soc. Lond., xvi. p. 215. 



Bermudas. — On bark of trees — Moseley. 



Lecanora glaucomod.es, Nyl. 



Lecanora glaucomodes, Nyl. in Flora, 1876, p. 509 ; subsp. conflectens, Nyl. in Journ. Linn. Soc. 



Lond., xvi. p. 215. 

 Lecanora angulosa, var. albo-pruinosa, Stirton in Journ. Linn. Soc. Lond., xiv. p. 371. 



Differt, Lecanora conjlectens a Lecanora glaucomodi, paraphysibus distinctis, iodo 

 gelatina hymeniale vinose fulvescente, &c. 



Bermudas. — On the bark of trees — Moseley. 



The typical form was collected in Cuba. 



Pertusariei. 



Pertusaria papillata, Tuckerm. 



Pertusaria papillata, Tuckerm., Synop. Lich. N. Am., p. 85; Journ. Linn. Soc. Lond., xvi. p. 215. 

 Pertusaria leioplaca, Stirton in Journ. Linn. Soc. Lond., xiv. p. 371. 



Bermudas. — On the bark of trees ; a mere fragment — Moseley. 

 North America. 



Pertusaria pustulata, Schcer. 



Pertusaria pustidata, Schaer, Spicil., p. 66 ; Nyl. in Triana et Planchon Prod. Flor. Nov. Granat. 



Crypt., p. 35 ; Crombie in Journ. Linn. Soc. Lond., xvi. p. 216. 

 Pertusaria Melaleuca, Turn et Borr. ; Stirton in Journ. Linn. Soc. Loud., xiv. p. 371. 



Bermudas. — On the bark of trees ; sparingly seen — Moseley. 



Europe and North and South America. 



