Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 101 



4. P. velata (Th. Fr.) Vain. 



Polyblastia intercedens f. velata Th. Fr. Polybl. Scand. (1877) p. 21 

 (sec. descr.). 



Thallus tenuis, albus. Apothecia sat sparsa, substrato 

 immersa, partim demum emergentia et verrucas formantia 

 0.6 — 0.3 mm latas, subhemisphaericas, amphithecio calcario 

 thallinoque tenui albo instructas. Perithecium globosum, 

 sordide rubricoso-fuscescens, basi tenue aut anguste albi- 

 dum, vertice anguste tenuissime pruinoso subcinerascenteque 

 aut denudato, margine ostiolari leviter aut haud prominente, 

 haud impresso, ostiolo minutissimo. Sporae 8:nae, decolores, 

 murales, seriebus transversis cellularum circ. 5 — 8, long. 

 0.023 — 0.030, crass. O.013 — O.015 mm. 



Distr. In latere praerupto rupis calcariae. Regio 



Aboensis: Kaukasalo in Finby (Vain.). 



Hypothallus indistinctus. Perithecium lat. saepe 0.4 — O.35 mm. 

 Nucleus albidus, jodo intense aut dilute caerulescens. Paraphyses 

 in gelatinam diffluxae, cavitatibus oblongis, tenuissimis indicatae. 

 Periphyses long. circ. O.020, crass. O.0015 mm, increbre septatae. 

 Asci subclavati, long. circ. O.090, crass. O.023 — O.032 mm, membrana 

 gelatinosa, in apice modice incrassata. Sporae distichae, ellipsoi- 

 deae aut rarius ovoideae, apicibus rotundatis aut obtusis, cellulis 

 saepe sat irregulariter dispositis, membrana sat tenui. Gonidia 

 globosa, simplicia diam. O.005 — O.007 mm, saepe demum glomeru- 

 losa, pleurococcoidea. Apothecia collapsa in- substrato foveolas 

 nullas aut valde parcas formantia. 



5. P. Sendtneri Krempelh. 



Fl. 1855 p. 67; Th. Fr. Lich. Arct. (1860) p. 266, Polybl. Scand. 

 (1877) p. 19; Arn. Lich. Tirol IV (1869) p. 638; A. Smith Mon. Brit. 

 Lich. (1911) p. 303; Jatta Fl. It. Crypt. Lich. p. 859; Zschacke Hedwi- 

 gia 1914 p. 301. Verrucaria Sendtneri Nyl. Exp. Pyrenoc. (1858) p. 33, 

 Enum. Lich. Fret. Behr. (1888) p. 25; Norrl. Fl. Kar. Oneg. II (1876) 

 p. 38; Vain. Adj. Lich. Lapp. II (1883) p. 169; Kihlm. Neu. Beitr. 

 Flecht. Kola (1891) p. 59. Endocarpon tephroides Sommerf. Suppl. Fl. 

 Lapp. (1826) p. 137 (p. min. p.). Thelotrema muscicolum Hepp Flecht. 

 Eur. II (1857) n. 447. 



Icon. Hepp 1. c. — Garov. et Gib. Tent. Disp. Lich. IV (1868) 

 tab. IX fig. 3 C, C. 



Exs. Hepp Flecht. Eur. II (1857) n. 447. Arn. Lich. Exs. (1860) 

 n. 130 a, (1872) b. — Anzi Lich. Rar. Langob. Exs. VI (1861) n. 220. 



