34 Acta Societatis pro Fauna et Flora fennica, VI. 



Pyrenia gregaria, innato-erumpentia, oblongata, ventricosa, 

 ostiolata, tola e fibris parallelis olivaceis composita, ostiolo papillse- 

 fbrmi. Sporulae fusiformes, S-septatse, longissime pedicellatse, hya- 

 linse, tandem cum gelatina erumpentes. 



1. M. uberiformis (Fr.) Karst. 



Syn. Sphceria uberiformis Fr. Syst. myc. II, p. 491. 



Topospora uberiformis Fr. Fung. Nat. p. 33. 



Mastomyces Friesii Mont. (Ann. Sc. nat. 3, X, p. 134, t. 6, 

 f. 4). Sacc. Syil. Ill, p. 456. 



Pyrenia gregaria, erumpentia, elongata, ventricosa, utrinqve 

 attenuata, nigra, ostiolo crasso-papillseformi. Sporulse fusoidese, 

 3-septat8e, utrinqve acutas, ad septa leniter constrictae, hyalinsB, 

 longit. 16 — 20 mmm., crassit. 2,5 mmm. Sporophora capillaria, 

 sporula 4— 6-duplo longiora. 



Hab. in ramis emortuis Ribis nigri in Fennia saltern meri- 

 dionali sat frqventer. 



„Pyrenia tota erumpentia, liberata, lineam longa, subinde 

 csespitosa, basi stipitiformi intra corticem delitescente, rigida, Ise- 

 vissima, subnitida, in ostiolum magnum coarctatum angustata. 

 Habitus fere Bombardu^" . 



XX. Hendersonia Berk. Suppl. p. 208, t. XI, f. 9. Sacc. 

 Syll. Ill, p. 418. 



Pyrenia subcutaneo-erumpentia vel subsuperficialia, sphse- 

 roideo-papillata vel depressa, membranacea vel subcarbonacea, 

 atra. Sporuise oblongatse vel fusoidese, 2 — pluriseptatiE, olivaceae 

 vel fuliginete. 



1. H. acuum Karst. Symb. ad Myc. Fenn. (1886), p. 162. 



Pyrenia sparsa, superficialia, ellipsoidea, subastoma, atra, 

 circiter 0,2 mm. lata. Sporulse oblongato-ovoidese, medio vulgo 

 constrictse apiceqve attenuatse, 3-septat8e, ad septa non constrictse, 

 dilute fuliginese, loculo infimo subhyalino, longit. 15 — 16 mmm., 

 crassit. 6 mmm. Sporophora filiformia, subramosa, hyalina, cir- 

 citer 45 mmm. longa, 1 — 1,5 mmm. crassa. 



Hab. in foliis emortuis Pini sylvestris prope Aboam. 



Forma coloreqve sporularum cum Hendersonia conorum 

 De Lacr. Sacc. Syil. Ill, p. 430 convenit, sed vix dubie diversa. 



