40 T. HEDLUND, KRITISCHE BEM. UBER LECANORA, LECIDEA U. MICAREA. 



Descr. Crnsta tennis, grannloso-rugosa, sordide flavo- vel 

 einereo-albida vel obscnre (fnsco-) cineraseens vel s^epe obsoleta ; 

 apothecia persistenter plana — mox leviter convexa, margine 

 tenni elevato vel explanato. mox vel jam primitus concolore 

 cincta. fnscescenti-pallida, livido-fusca, livido-, fnsco- vel rnfo- 

 nigricantia vel nigricantia, 8a_>pe levissime prninosa, 0.3 — 0,8 mm. 

 lata; stratnm corticale excipnli crassinsculnm (25 — '^^) y. 

 crassum), superne panllnm dilatatnm. strato mednllari tenni, 

 snperne gonidiis sgepe carente; margo proprins mox evolntns, 

 demum crassus, snperne theeio concolor; thecinm et hypotliecinm 

 gran nias vel gnttnlas fnlvescentes s;epe foventia; thecinm snperne 

 fusco-olivacenm — smaragdnlo-Ccernlescens, epithecio grannloso 

 teniTi vel (apotheciornm obsenrornm) tennissimo pra?ditnm; 

 paraphyses K distinctcP. ramosa?, totae incoloratffi vel apiee in- 

 crassata* et coloratas sporde octona*. simplices. pro majore parte 

 ellipsoideo-oblongct. ellipsoideis vel obloiigis immixtis. vnlgo 

 rectrt", 8 — 14 >j. loiiga- et 4 — () u. crassa?; pycnoconidia stepis- 

 sime elongato-oblonga, cnrvnla, ö — 8 [j. lon ga et 1 — 2 y, crassa. 



1. F. crnsta obsoleta; apotheciis livido-fnscis vel fnsce- 

 scenti-pallidis. planis, margine explanato. vel intertnm mox 

 leviter convexis, 0,3 — <>.; mm. latis; parte summa thecii fnsci- 

 dnla vel sordide cpernlescenti-olivacea. epithecio bene evoluto; 

 sporis 8 — 1^) [j. lougis. 



2. F. crnsta obsoleta; apotheciis fnsco-nigricantibns vel 

 atropurpnreis — nigricantibus. planinscnlis. margine explanato, 

 vel leviter c^onvexis, 0,2 — O.g mm. latis; parte summa thecii 

 (apotheciornm uigricantinm) smaragdulo-Cternlescente; sporis. 

 f. prtecedentis. 



Exs. H. L. F. 137 (iLecanora poroptoidest). 

 Arn. 540 {tLecanora snbintricata*). 



o. F. crnsta obsoleta; apotheciis livido-nigricantibus. pla- 

 ninscnlis, margine explanato, vel leviter convexis. 0,2 — 0..t mm. 

 latis; theeio et sporis f. prtecedentis. 



Syn. Leeonora livescevs Nyi.. Fl. 1872 p. •,'.")! niomeii). 

 Exs. H. Tj. F. 128 (iLecannrd jximpfnides var. lirescens^). 



4. F. crnsta obsoleta; apotheciis livido-nigricantibns pla- 

 ninscnlis, margine tenni, vnlgo leviter flexnoso, elevato vel 

 deranm explanato, 0,3 — 0,7 mm. latis; theeio et sporis f. pra?- 

 cedentis. 



