Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 165 



tenuissima, recta, long. O.003, crass. O.0005 mm" (secund. annot. 

 Nyl. in Lich. Lapp. Or. p. 173). 



Obs. Fr. v. Hohnel in Fragm. Mycol. VIII (1909) p. 1209 ad 

 hanc speciem ut varietates retulit species sequentes: Winteria sub- 

 coeralescens (Nyl.) Rehm (1. c), W. acuminans (Nyl.) Rehm (Hedwigia 

 1898 p. 144), W. intermedia Sacc, et Fautr. (B. S. Myc. Fr. 1900 p. 21, 

 Sacc. Syll. Fung. XVI, 1902, p. 554) et W. laricina v. Hohn. (1909), 

 quarum W. acuminans et W. intermedia sporis apice inferiore atte- 

 nuatis et W. laricina atque W. subcoerulescens sporis ellipsoideis aut 

 ovoideis instructae sunt. In Rehmi Ascom. n. 1242 in eodem apothe- 

 cio sporas ellipsoideas et caudatas observavit, at revera Mycoglaena 

 acuminans (Nyl.) a „Verrucaria subcoerulescente Nyl." etiam paraphysi- 

 bus parcis, ascis oblongis, sporis distichis, septis transversis 7 — 8 

 differt. — Phacidium elegans Berk, et Curt. (1. c, Dothiora elegans 

 Sacc. Syll. Fung. VIII, 1889, p. 765) „perithecio per duos vel tres 

 lobos dehiscente, sporis O.025 mm longis, clavatis" sec. Sacc. 1. c. 

 differt. 



2. M. acuminans (Nyl.) Vain. 



Verrucaria acuminans Nyl. Sert. Lich. Labuan (1891) p. 45. Poly- 

 blastia Arn. Lich. Exs. (1891) n. 1535. Winteria Rehm Hedwigia 1898 

 p. 144. Mycoglaena subcoerulescens var. acuminans v. Hohn. Fragm. 

 Mycol. VIII (1909) p. 1210. 



Exs. Zwackh Lich. Exs. (1891) n. 1136. - - Arn. Lich. Exs. (1891) 

 n. 1535. 



Thallus macula albida indicatus aut indistinctus. Apo- 

 thecia sparsa, verrucas formantia depresso-hemisphaericas, 

 circ. 0.2 — 0.5 mm latas, subcyanescenti-nigricantes aut atras, 

 saepe nitidas, nudas, basin versus sensim dilatatas, vertice 

 convexo aut saepe demum anguste aut sat late foveolato, 

 margine ostiolari haud prominente, ostiolo parum conspicuo, 

 interdum rimaeformi. Perithecium aeruginosum, dimidiatum. 

 Paraphyses parcae. Asci oblongi. Sporae distichae, ovoideae, 

 apice superiore rotundato, apice inferiore sensim caudato- 

 attenuato, murales, septis transversis 7 — 8, long. O.028 — O.030, 

 crass. O.006 — O.009 mm, secundum Nyl. „long. O.030 — 0.036, crass. 

 O.009 — O.012 mm". 



Distr. In cacumine et ramis Pini sylvestris ad Hersala 

 in Hollola Tavastiae austr. (Vain.) una cum Mycoglaena sub- 

 caerulescente. In ramis Pini sylvestris ad Simsio in Lapua 

 in Ostrobotnia austr. (V. Rasanen). 



