188 



Seaud. p. 282, pr. p., Lapp. or. p. 174 (excl. f. tremu- 

 la;). Y. albissima Ach., Univ. (1810) p. 276, sec spec. 

 orig. in hb. Ach. huc non pertinet (spermogonia alicu- 

 jus Verrucariae respicit). V. oxyspora Nyi, Bot. Not. 

 1852 p. 179, Pyrenoc. p. 61, pr. p.; Garov., Tent. disp. 

 Verr., sp. 35, pr. p. Leptorhaphis oxyspora Koerb., 

 Syst. Germ. p. 371 ; Bytesför. Poiuts-fört.' (1880) p. 106. 

 Campilacia oxyspora "Anzi, Catal. Sondr. p. 112. Lep- 

 torhaphis epidermidis Th. Fr., Lich. Arct. p. 273. 



— f. fusispora Flot.; Bagl. & Car., Anacr. p. 342. Garov., 



Tent. disp. Verr. sect. III tab. suppl. I fig. 6 A. 



Thallus hypophloeodes, indistinctus. Apothecia ma- 

 culas obscuras, ellipsoideas vei rotundatas, 0,3 — 0,7 mil- 

 lim. latas formantia, amphithecio atro, hemisphserico, 

 prominulo, in lamina tenui fusco-nigricante vei caeruleo- 

 fuscescente. Pyrenium dimidiatum, basi pallidum. Sporss 

 incolores, fu.siformi-aciculares, rectee vei curvatse, tenui- 

 ter 1-septatse, longitudine 0,018 — 0,028 millini., crassi- 

 tudine 0,003 millim. Asci clavati. Paraphyses distin- 

 ctse, mediocres, paucse vei sat numerosa3. Gelatiua hy- 

 menialis jodo lutescens, contentum ascorum fulvescens 

 vei vinose rubens. 



Frequens ad corticem Betulas in regionibus silva- 

 ticis totius territorii. 



— f. vulgaris Schser., Enum. Eur. p. 220 pr. p. Hepp., 



Fl. Eur. n:o 460. 



Sicut pröecedens, sed spora3 demum 3 ( — pluri-?) 

 septatse, etiam paullo majores. Cuni preecedente cre- 

 scens. — V. 2^silotera Nyi., Fl. 1875 p. 14, apotheciis 

 minoribus, macula minore vei subindistincta circumda- 

 tis, magis dense evolutis bene differt. 



V. popidicola Nyi. in Norrl., Lapp. Törn. (1873) p. 344. 

 Leptorhaphis tremulee Koerb., Syst. Germ. (1855) p. 372; 

 Th. Fr., Lich. Arct. p. 374 (Verr. epidermidis v. tre- 

 mulse Ach., Meth. p. 117, spermogonia Lecidea} glome- 

 rulosee sec. spec. orig. in hb. Ach. respicit). Campyla- 



