— 116 — 



Thalli laciniis ora ni no connaiis, solnm ambitn 

 nonnihil visibilibus, erustani continuara, majorera, 

 sq a a ra n loso - r ngosam, obscuro- cineream, determina- 

 tara efforraantibns; apoíhecia numerosa, caeterum 

 haec sicut et sporae ut in typo. 



Ad corticem. 



54. Gyropliora Délisei (Despr.); JJmbüicaria ci- 

 lindrica var. Dclisei (Despr.) Nyl. Prodr. Lich. 

 Scand. p. 117. 



Ad saxa, in Andibus (Unicum!). 



55. Gyropliora murina (Acíi.) DC. Nyl. Prodr. 

 Lich. Scand. p. 116; UmbUlcaria grísea Hoffm. 

 Deuiscbl. Flor. p. 111. 



Ad rupes, et saxa, Sierra de Tiicnman, apud 

 Ciénegam. speciinina pulcbra! 



56. Pyxlne sorediata (Tuckerm.) Fr. 

 Ad cortices. 



57. Pyxine Meissneri Tuckerra. Proceed. of the 

 Ara. Acad. of. se. and arts. 1860, p. 400; Nyl. Lich. 

 exot. p. 255. 



Ad cortices. 



Sporae long. 0,015—019, crass. 0,006 rara., oli- 

 vaceae. (In Pyxine Cocoes (Sws.) sporae long. 

 0,012—013, crass, 0,004-005 rara.) 



Thallus in Pyxine Meissneri intus non constan 

 ter sulphureus, sed interdura etiara albus, sicut in 

 P. cocoes (Sw.) Contra thallus in Pyxine Cocoes in- 

 terdura etiara intus sulphureus vel lutescens, quaui- 

 vis raro, itaque differencia essentialis ínter has am- 

 bas species praesertim in sporis quaerenda sí t. 



58. PJacodium callopismum (Ach. Syn. p. 184 sub 

 Lecanora) Nyl. 



Ad rupes calcáreas, raro. 



59. Lecanora aurantiaca (Lig'ntf.) Nyl, 



/. flavovirescens HoíFm. et diffractum Mass. 

 Ad í'upes, frequens.— (fragmentura!) 



60. Lecanora millegrana Tayl. in Hook. Journ. 

 Bot. 1847, p. 159; Nyl. Prodr. Lich. Nov. Gran. 2. 

 p. 64, sub Lecidea. 



Ad cortices, optime evoluta. 



61. Lecanora fasco-nigrescens (Nyl.) Krphb.; Le- 



