LICHENS. 163 



lus ut in C. Baueri Mùïl. Arg. aut in lreto C. aurantiaco, sed apothecia 

 aliter colorata sessilia, necinnata ut in C. Baueri. Prope C. subunicolor, 

 se. Lecanoram subunicolorem Nyl. (ap. Crombie, in Journal of Botany, 

 1876, p. 19, et 1877, vol. V. 1 5 , p . 172) inserendum est. 



Saxicolum in freto raagellanico (Hariot). Etiam in ins. Kerguelen 

 legit D r Naumann, n° 103/?/\ p. 



67. Callopisma aurantiacum var. salicinum Massalongo. 



Synopsis Lichenum blasteniospororum, p. 11. 



Ad corticem Veronicœ ellipticœ, île Horn, Terre de Feu (Hariot). 



68. Rixodixa axtarctica Mûller Arg. 



Thallus albidus v. dein cinereo-fuscescens, mediocris, rimoso- 

 v. demum diffracto-areolatus, areolse prinium laeves, planse et con- 

 vexulœ ; apothecia ^ mm lata, innata, plana, sicca fusca et fusco-nigrican- 

 tia, nuda, madefacta pallidius fusca et convexa, margine tenui cum 

 thallo concolore, e thallo leviter tantum émergente demumque subin- 

 distincto cincta; lamina hyalina; epithecium flavo-fuscescens; para- 

 pbyses graciles, apice capitatse; asci 8-spori; sporse iS^-ai 1 "- longse 

 et if--i2 v - latse, ellipsoidese et ovoideœ, fuscaî, hinc simul rinodinacese, 

 illinc epuasi fusco-polariblaslse. — In vicinitate/?. versicoloris Mùll. Arg. 

 {Lichen. Beitr., n° 133) et prope R. lecanorinam Mass. locanda est. 

 Prior differt apotheciis minoribus et magis emersis. 



Saxicola ad fretum magellanicum (Hariot). 



69. Pertusaria rugifera Mùller Arg. 



Thallus cum apotheciis ochroleuco v. subflavescenti-albidus, medio- 

 cris, margine subbyssino-marginatus, minute rimulosus et crebre 

 rugoso- et ruguloso-insequalis; apothecia crasse thallino-marginata, 

 apice subpulverulenta; margo concentrice plicato-rugosus, crassus; 



