207 



bitus ziemlich übereinstimmend; die Thatsache: sperm. 

 distincte bifusiformia, 5X1 dürfte für die Art entscheidend 

 sein; leider stehen mir dermalen keine Spermatien-Cha- 

 raktere zur Verfügung. Thallus K intus flavesc. 

 G6. Imbricaria aspera Mass. : Rf (c. ap. : Pyrus, Malus, 

 Castanea; steril: Prunus), Ba (Sorb. Aucup.). 



67. Imbricaria exasperatula Nyl., frequens; Ba (Abies, Sorb. 

 Aucup.), Rf (Malus, Prunus, Castanea, Pyrus, Picea), 

 L (Larix et strobili, Sorbus Aue), St (Abies, Picea), 

 N (tr. Abietis). 



68. Imbricaria fuliginosa Fr.: Ba (Sorb. Aue), Rf (Pyrus 

 c. ap., Malus c. ap., Prunus, Castanea: sperm. acicul., 

 8X1; Picea, Abies), Bu (Picea, Acer Pseud.), Th (Larix), 

 P (Robinia), R (Aescul., Fagus, Juglans), L (Larix), Pf 

 Picea, Sorb. Aucup.), Rt (SilurgeröUe). 



f. Icetevirens Fw.: Pf (Abies, c. ap.). 

 f. subaurifera Nyl. : Ba (Abies, Sorb. Aucup.), Rf (Picea, 

 Pyrus), Th (Larix), R (Juglans). 



69. Imbricaria verruculifera Nyl. : R (Juglans), Rt (Acer Pseud.). 



70. Aiiaptychia ciliaris L.: Ba (Sorb. Aue), Rf (Malus), 

 R (Juglans), Rt (Acer Pseud.). 



71. Parmelia pulverulenta Schreb.: Rf (Pyrus, Malus), R 

 (Juglans), Rt (Acer Pseud.). 



f. migustata Hffm. : Rf (Pyrus : thallus dense imbricatus, 

 detonsus, modo apices laciniarum pruinosse). 



f. detersa Nyl.: Rf (Castanea: thallus microphyllinus, 

 imbricatus, subnudus). 



f. venusta Ach.: R (rami Jugland). 



72. Parmelia aipolia Acli., thallus K extus intusque flavesc. : 

 Rf (Malus, Castanea). 



73. Parmelia stellaris L., frequens; Sorbus Aue. (Ba, Pf), 

 Pyrus, Malus, Prunus, Castanea (Rf), Robinia (P), Alnus 

 (P), Aesculus, Juglans (R). 



— /". hispida Fr.: Ba (Sorb. Aucup.). 



74. Parmelia tenella Scop.: Rf (Malus), R (Aesculus, Juglans), 

 Rt (Acer Pseud.). 



75. Parmelia dimidiata Arn.: P (Robinia: lacinise breves, 



latse, marg. sorediosse, K extus flavesc). 



