126 E. A. Vainio, Pyrenocarpeae. 



aut obtusis, medio raro leviter constrictae, membrana haud ge- 

 latinosa, in specimine Fennico sec. Nyl. (n. 2227 in herb. Nyl.) 

 „long. 0.030 — 0.036, crass. O.oh mm". 



Obs. Verrucaria pyrenophora Ach., Lich. Univ. (1810) p. 285, Syn. 

 Lich. (1814) p. 95, cujus „apothecia inter majora vel maxima hujus 

 generis" indicantur, secundum specimen o-rig., ad rupes schistosas in 

 Helvetia collectum, sporis decoloribus, 1-septatis instructa est, in parte 

 superiore speciminis apotheciis 0.8 mm latis, apice impressis, sporis 

 long. O.027—O.022, crass. O.012— O.on mm, in parte inferiore dextra speci- 

 minis apotheciis lat. 0.6— 0.7 mm, sporis long. O.030— O.028, crass. O.012 mm, 

 in parte inferiore sinistra speciminis apotheciis lat. 0.4 mm, sporis long. 

 0.028—0.027, crass. O.011 mm, medio haud aut bene constrictis. Thallus in 

 omnibus bene evolutus, sordide albidus, linea hypothallina obscurata 

 limitatus, materia calcaria immixtus. Specimen a Schleicher Borrero 

 missum, a Leight. in Brit. Angioc. Lich. p. 76 descriptum et ad 

 „V. Sprucei Ch. Bab." relatum, sec. herb. Ach. revera non est au- 

 thenticum. 



5. Th. aethioboloides (Nyl.) Vain. 



Verrucaria intercedens var. aethioboloides Nyl. Ad Veg. Lich. Hels. 

 (Not. Sallsk. F. et Fl. Fenn. Forh. IV, Bidr. Finl. Naturk. Ill, 1859) p. 

 235, Lich. Scand. (1861) p. 276. Thelidium minutulum Koerb. Par. Lich. 

 4 Lief. (1863) p. 351; Stahl Beitr. Entw. Flecht. II (1877) p. 22, tab. VI 

 f. 13—15; Jatta Fl. It. Crypt. Lich. p. 832. Thelidium acrotellum Arn. 

 Fl. 1866 p. 532, Fl. 1882 p. 142, Lich. Frank. Jur. (Fl. 1885) p. 261 (150), 

 Lich. Tirol V (1870) p. 541, XXIII (1887) p. 133, XXVIII (1896) p. 122, 

 Lich. Munch. (1891) p. 115; Th. Fr. Polybl. Scand. (1877) p. 21. Nee 

 Verrucaria acrotella Ach., nee Th. cithioboloides Zschacke Hedwigia LXII, 

 1920, p. 141, 144. 



Exs. Arn. Lich. Exs. (1859) n. 53 (dext.), (1860) n. 102, (1866) 

 n. 305 (sec. Lich. Jur. p. 261). Arn. Lich. Monac. (1889) n. 64, 



65, 133. 



Thallus tenuissimus, dispersus, leviter verruculoso- 

 inaequalis, obscure cinereus, opacus, hypothallo indistincto. 

 Apothecia verrucas formantia hemisphaericas, 0.2 mm latas, 

 nigras, nudas, apice convexas, ostiolo minutissimo, haud 

 foveolato. Perithecium basi pallidum decoloratumve, cete- 

 rum fuligineum. Sporae oblongae, diu simplices, demum 

 1-septatae, long. circ. O.on— O.019, crass. O.007— O.009 mm, sec. 

 Nyl. long. ,,0.021—0.022 mm", sec. Arn. „long. O.012— O.ois mm 

 et crass. O.005— O.009 mm". 



