162 MISSION DU CAP HORX. 



63. Lecanora atra Acharius. 



Lichenographia universalis , p. 344- 



Sâxicola, Terre de Feu (Hariot). 



64. Lecanora albellina Mûller Arg. 



Thallus albus vel obsolète flavescenti-albus, tenuis, laavis, demum 

 leprosulo-insequalis; apothecia ^=~ mm lata, tenuia, plana, margine tenui 

 albido, mox crenato, demum indistincto cincta; discus carneo-fusci- 

 dulus vel carneo-pallidus, nudus; lamina hyalina; paraphyses conglu- 

 tinatse ; asci (6-) 8-spori, late obovoidei; sporse ellipsoidese, 16^-2.0^ 

 longée et 9^-1 3i A Iatae, nonnihil pachydermese. — Similis L. albellœ Ach., 

 sed margo apotheciorum tenuior, junior minus valide prominens, mox 

 dein crenatus, et sporse dein multo majores. 



Corticola ad truneos Drimydis Winteri in insula Wollaston (Hariot, 

 n° 36/J7-. p.) et Fagibetuloidis'm insula L'Hermi te (Hariot, n°34 pr. p.). 



65. Lecania punicea Mûller Arg. 



Lichenologische Beitràge, n° 130. 



Lecanora punicea Acharius, Lichenographia universalis, p. 290. 



Corticola in fretomagellanicoadbaie de Punta Carrera (Hariot, n° 5), 

 et ad corticem Drimydis Winteri in insula Wollaston (Hariot, n° 38). 



66. Callopisma Harioti Mûller Arg. 



Thallus lïavissimus, tenuis et tenuissimus, lsevis, demum rimosus, 

 margine aut statu juvenili vage aut fere dendritice aut astroideo-effu- 

 sus; apothecia ~ mm lata, cum thallo concolora autmadefacla eo minus 

 lseta, crassiuscula, margo vix prominens at crassiusculus; sporse in 

 ascis 8-nse, 1 2^-13^ longae, &--"]^ latse. Reliqua ut in C. aurantiaco. Thaï- 



