BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 18. AFD. III. NIO 3. 97 



tuberculata, nigricantia vel fusco-nigricantia, 0,3—0,5 mm. 

 lata; excipuliim parum evolutum; pars centralis excipuli et 

 hypotlieeium rnbrieoso- vel iiigro-fnsca, K ScCpissime atro- 

 purpurea, raro iiigro-fiisea; tliecium incoloratum vel superiie 

 passim dilute sordidum, K dilute cseriileo-olivascens, vel summa 

 parte olivaceo-fuligineum ; parapliyses K apparent gracillimce, 

 parce ramosse et flexuostE, 0,^ — 1 17- crassee, interdum in summo 

 tliecio anastomosantes, ramulis anastomosantibus crassioribus 

 et eoloratis, circ. 2 [j. erassis; sporai octonee, simplices, pro 

 majore parte ovoidese, inimixtis paucis dacryoideis vel ellip- 

 soideis, 5 — 9 [j. longa; et 2,5 — 3,7 5 u. crassae; pycnoconidia, ubi 

 visa, ellipsoideo-oblonga, 3 — 3,5 [j. longa et 1,7 5 [x crassa. 

 Tlieciiim J prfecedente csenilescentia vinose rnbens. 



Ad truncos piiieos vetustos in \)nr. .Jerfsö Helsing^landia; .Sueeia lecta 

 (ipsl; M. B. U.). 



19. M. Osloensis (Th. Fr.) Hedl. 



Syn. Lecidea Oslo&nsis Tu. Fr. Scand. ]), Wi\. 

 De distrib. in Scandinavia cfr. Tu. Fi;. 1. !•. 



20. M. lithinelln (Xyl.) Hkdl. 



Syu. Lecidea lithhtcUn Xvl. Fl. ISM) p. 390 (sec. Arn. 83»; cit.). 



Specimina .Scandinavira vidimus c .SudcniuiiiLaudia (par. Westermo : 

 O. G. Blomberg; M. B. \'.) et Fplandia (Norrtelge : ipsi), ad saxa demissa 

 jirtecipue arenaria. 



