72 Acta Societatis pro Fauna et Flora Fennica II, n. 6. 



LXXVIL Laestadia Aiiersw. Karst. Myc. Fenn. II, p. 23. 



Perithecia lenticularia, innata, typice poro simplici pertusa, 

 subinde astoma. Sporae ovoideae vel oblongatae. 



I. Eu-Laestadia Karst. Nucleus perithecii incolor. 



1. L. 2^^^fi(^ioidea (Cook.) Auersw. Karst. Myc, Fenn. II, 

 p. 187. 



2. L. alnea (Fr.) Auersw. Karst. Myc. Fenn. II. p. 186. 

 11. I s t h e a Fr. Nucleus perithecii roseus. 



3. L. rhythismoides (Berk.) Sacc. Syll. I, p. 424. 



Syn. Sphaeria rhytismoides Bab. et Berk. Brit. 

 Fung. n. 178. Isothea rhytismoides Fr. Summ. Veg. Scand. 

 p. 421. Karst. Fung. Spetsb. p. 103. Sphaerella rhytis- 

 moides De N. Reclute per la Pirenom. Ital. p. 12. Sphaeria 

 D r y a d i s Fuck. Symb. Myc. p. 108. 



Perithecia epiphylla, in macula indeterminata, fusca, semiim- 

 mersa, sphaeroidea, demum depressa, perforata, aterrima, maju- 

 scula. Asci fasciculati, stipitati, clavati, longit. 50 — 58 mmm., 

 crassit. 14— 16 mmm. Sporae 8:nae, distichae vel inordinatae, 

 oblongato-ovoideae, subinaeqvilaterales, utrinqve obtusae, guttula- 

 tae, hyalinae, longit. 14 — 16 mmm., crassit. 5 — 6 mmm. 



Ilab. in foliis nondum emortuis Dryadis octopetalae 

 in Lapponia. 



LXXVIII. Ceratostomella Sacc. Syll. I, p. 408. 



Perithecia subsuperficialia vel basi insculpta, subcarbonacea, 

 glabra vel vestita, ostiolo tereti vel filiformi peritheciis plerum- 

 qve longiore. Asci typice eparaphysati. Sporae 8:nae, sphaeroi- 

 deae, ovoideae vel suboblongatae, simplices, hyalinae. — Spermo- 

 gonia et conidia in nonnullis nota. 



1. C. rostrata (Fr.) Sacc. Syll. I, p. 408. 



Syn. Ceratostoma rostratum Fuck. Karst. Myc. Fenn. 

 II, p. 115. 



2. C. cirrhosa (Pers.) Sacc. Syll. I, p. 408. 



Syn. Ceratostoma cirrhosum Fuck. Karst. Myc. Fenn. 

 II, p. 116. 



3. C. strida (Pers.) Sacc. Syll. I, p. 410. 



