82 T. HEDLUND, KRITISGHE BEM. UBER LECANORA, LECIDEA U. MICAREA. 



Lecanora (Ach.) Wainio. 



1. Sporse simplices, vnlgo ellipsoidese ; p)'cnoconidia 

 filiformia, acicularia vel elongato-falciformia; stra- 

 tum corticale excipnli superne attennatiim; margo 

 proprius nullus vel tennis. 



L. varia (Ehrh.) Arn. 



Crusta verrncosa vel areolato-verrucosa, flavo-pallida vel 

 obsoleta; margo proprins nnllns; thecium superne, epithecio 

 granuloso lutescente excepto, incoloratnui vel interdnm sordide 

 olivascens; sporse ellipsoidece vel p. p. globoso-ellipsoidece vel 

 globosse (lignicola vel corticola). 



Descr. Crusta tenuis verrncosa vel areolato-verrucosa, 

 fiavo-pallida vel obsoleta; apothecia primo vnlgo margine in- 

 tiexo urceolata, mox planinscula, margine tliallino plus minus 

 crenulato cincta, lutescenti- vel fuscescenti-pallida vel sordide 

 livido-lutescentia — ■ rufo- vel sordide livido-obscnrata, ssepe 

 tenuissime prninosa, 0,4 — 1,5 mm. lata; stratnm corticale 

 excipnli inferne crassnm (25 — 125 [j. crassum), superne 

 tenue, strato medullari ex liyphis laxe intricatis con- 

 texto; margo j)roprius liand evolutus; thecium incoloratum vel 

 superne interdnm sordide olivascens, epithecio granuloso lute- 

 scente; paraphyses K distincttc et plus minns discretcB (1 — 2}jl 

 (•rasste), pra?cipne inferne paree ramosa? et passim anasto- 

 mosantes, apicibns plus minus incrassatis, incoloratis vel (in 

 apotheciis livido-obscuratis) apicibns distincte incrassatis et 

 coloratis; sporse octonse, simplices, vnlgo ellipsoideae vel glo- 

 boso-ellipsoidecB, 7—12 p. longse et 5 — 7 y. crassse; pycno- 

 conidia filiformia, 12 — 22 y. longa et circ. 0,75 [a crassa. 



1. Var. crusta evoluta; apotheciis 0,5 — 1,5 mm. latis; sporis 

 ellipsoideis, 9 — 12 u. crassis; strato corticali excipnli J haud 

 caerulescente var. vulgaris Körb. 



