APPENDIX I. Il 



43. Phyllopsora, spora? simplices, hyalin». 



44. Psorella, spora? transversim septata?, hyalina?. 



Séries III. — KRYOBLASTJE 



Thallus crustaceus, amorphus v. radîatim divisus aut squainu- 

 losus, semper substrato latissime arcte adnatus v. squainula? mar- 

 gine adsceudentes, vestimentum pagina? inféra? dein nulluni; po- 

 detia nulla. 



Tribus XXIY. — Psore.e. 



Thallus discreto-squamulosus aut ambitu radioso-effiguratus, 

 undique arcte adnatus v. squamula? margine adsceudentes ; goni- 

 dia palmellacea; apothecia lecideina, 



45. Psora, spora? siniplices, hyalina?. 



46. Thalloidima, spora? transversim divisa?, hyalina?. 



Tribus XXY. — Placoddsje. 



Thallus adnatc-squamulosus aut in peripheria radioso-effigu- 

 ratus: gonidia palmellacea; apothecia lecanorina. 



* Paraphyses conglutinatœ. 



47. Placodium, spora? simplices, hyalina?. 



48. Ricasolia, spora? simpliciter transversim (1-3-) septata?, hyalina?. 



** Paraphyses libère. 



49. Amphiloma, spora? orculiformes. hyalina?. 



50. Candelariella s spora? 2-loculares, hyalina?. 



Tribus XXYI. — Lecaxore.e. 



Thallus amorpho-crustaceus ; gonidia palmellacea; apothecia 

 lecanorina (margine thallino cincta). 



* Apothecia nucla. marginata. 



51. Lecanora, spora? simplices, hyalina?. 



52. Lecania, spora? transversim divisa?, hyalina?. 



53. Callopisma, spora 3 orculiformes, hyalina?, 



