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N'J- 12. 



Regensburg, 21. April 



1885. 



Inlialt. Dr. J. Miiller: Lichenologische Beitrage. XXI. — Dr. F.Arnold: 



Dielichenen des friinldsclien Jura. Corrigenda. — Litteratur. — Dr, 0. Pen- 

 zig: Zui' gefaliigen Beachtung. 



*i. 





Lichenologische Beitrage von Dr, J. MUller- 



819. AstrotheHum euslomum Mull. Arg,; Pyrmastrum 

 eustomum Montg. in Ann. Sc. nat. 1843 p. 63 n. 89 ; thallus oli- 

 vaceus, sublaevis, sat tenuis; stromata valde depresso-conica, 

 latiuscula, nana, cum thallo concolova, 2 aut 3 aut plura con- 



nata, apice truacata. Vs — Va ^^^' ^^^^ ^^ albida, soredioso-sub- 

 farinosa, in centro minute fusco-ostiolata ; apothecia globosa, 

 late longicollia, fusco-nigrescentia, basi attenuata, caeterum 

 multo crassiora, colles longiuscule infra superficiem in tubulum 

 communem aurantiacum connati; paraphjses crebre 

 asci biseriatim 8-spori; sporae (hyalinae) 22—28 ^ longae, 

 11 — 13 jM latae, oblongato-ellipsoideae, 6-loculares. — Corticola 

 in Guyana gallica: Leprieur n. 179. 



820. AstrotheHum confusum Mull. Arg.; thallus oliva- 

 ceo-viridis, tenuis, laevis v. hinc inde leviter rugulosus; stro- 

 mata concolora, circ. Ya ^^' la^ plano-convexa, leviter tan- 

 tum emergentia, circumcirca sensim in thallum abeuntia, su- 

 perne circa ostiolum unicum late decolorato-albescentia r, de- 



Mora 1885. 



12 



