12 BULLETIN DE L'HERBIER BOISSIER. 



54. Myxodictyon, sporae parenchymatöse, hyalinae, paraphyses liberae. 



55. Rinodina, sporae transversim di visse, fuscae. 



56. Diploschistes, sporae parenchymaticae, fuscae. 



■* Apothecia in verrucis thallinis inclusa (spora? simplices). 



57. Pertusaria, Verrucae apotheciiferae clausae aut lecanorino-apertae; 



paraphyses connexae ; sporae stratoso-pachydermeae. 



58. Perforaria, apothecia anguste thelotremoideo-aperta ; paraphyses 



libéras; spora? leptoderineae. 



* Apothecia immarginata, immersa. 



59. Phlyctella, sporae (fusiformes) transverse divisae, hyalinae. 



60. Phlyctis, sporae denmm parenchymaticae, hyalinae. 



Tribus XXVII. — Lecidee.e. 



Thallus amorpho-crustaceus; gonidia palniellacea; apothecia 

 lecideina (margine proprio a thallo diverso cincta). 



61. Mycoblastus, sporae simplices, hyalinae; paraphyses connexo-ra- 



mosae. 



62. Lecidea, sporae simplices, hyalinae : paraphyses non connexae. 



63. Patellaria, sporae transversim divisae, hyalinae. 



64. Blastenia, sporae orcnliformes. 



65. Heterothecium, sporae parenchymaticae, hyalinae; paraphyses non 



connexo-ramosae (facile liberae). 



66. Lopadium, sporae parenchymaticae, hyalinae; paraphyses connexo- 



ramosae. 



67. Buellia, sporae transversim divisae (vulgo biscoctiformi-2-loculares), 



fuscae. 



68. Rhizocarpon, sporae parenchymaticae, fuscae. 



Tribus XXVIII. -- Gyalecte.e. 



Thallus amorpho-crustaceus; gonidia chroolepoidea ; apothecia 

 primum urceolata, Strato thallino lecanoraceo-obtecta et clausa, 

 demum biatorina. 



69. Secoliga, sporae transversim divisae, hyalinae. 



70. Gyalecta, sporae parenchymaticae, hyalinae. 



