Acta Societatis pro Fauna et Flora Fennica, 49, N:o 2. 117 



3. T. microcarpum (Arn.) Sacc. 



Syll. Fung. XVII (1905) p. 676; Mig. Krypt. Pilz. 3 (1913) p. 309. 77- 

 chothecium pygmaeum forma rnicrocarpa Arn. Lich. Tirol XIV (1875) p. 

 484 (477), XXI (1880) p. 106, 153, Lich. Fragm. XX (1877) p. 9; Wint. 

 Rabenh. Krypt. Ascom. (1887) p. 349; Sacc. Syll. Fung. IX (1891) p. 

 727. Tichothecium microcorpon Arn. Lich. Tirol XXIII (1887) p. 103, 

 119, 150, Lich. Munch. (1891) p. 133; Maule in Ber. Deutsch. Bot. Ges. 

 (1890) p. 113, tab. 7. 



Apothecia substrato immersa, vertice nigro, nudo, haud 

 aut rarius demum levissime prominente. Perithecium sub- 

 globosum aut subampullaceum, fuscofuligineum, integrum, 

 lat. circ. O.oso mm. Asci polyspori. Sporae fuscescentes, 

 oblongae ellipsoideaeve, apicibus rotundatis, long. O.007 — 

 O.008, crass. O.003 — O.0035 mm (sec. Arn. „long. O.005 — O.006, crass. 

 O.002 — O.0025 mm"). 



Distr. In hymenio Placodii cerini (pyracei Nyl.) var. 

 borealis Vain, ad corticem Alni incanae ad Naapurinvaara 

 in Sotkamo in Karelia Kajanensi (J. P. Norrlin). 



Praesertim apotheciis minoribus, hymenio nutricis immersis 

 a T. pygmaeo differt. Sporae 1-septatae, medio vulgo constrictae, 

 sec. Arn. „circ. 20:nae". Hymenium jodo „vinose rubens" sec. 

 Arn. 



4. T. subsordescens (Nyl.) Vain. 



Endococcus subsordescens Nyl. Fl. 1873 p. 298; Hue Addend. II 

 (1887) p. 314. 



„Thallus sordide cinerascens, vage effusus, tenuissimus 

 vel evanescens; apothecia nigricantia, minuta (latit. circ. O.i 

 mm), parum prominula; thecae polysporae, saccatae, sporae 

 dilute nigrescentes, ellipsoideae vel oviformes, 1-septatae, 

 long. O.005 — O.007 mm, crass. O.0025 — O.004 mm (,,0.0025 — O.003 

 mm" secundum Hue 1. c). Jodo gelatina hymenialis caeru- 

 lescens, dein vinose rubens" (Nyl. I. c). 



Distr. Supra corticem Alni incanae ad Hersala in Hol- 

 lola Tavastiae austr. (J. P. Norrlin). Forsan thallum alienum 

 gonidiiferum insidet. 



„Thallus gonidia varia et filamenta toruliformia vel capno- 

 dina, nigricantia continet, verisimiliter non propria. Spermogonia 

 (conidangia) peridiis apotheciorum minora (latit. circ. O.040 mm), 



