6 E. A. Vainio, Baeomyceae. 



0.002 — 0.003 mm („ — O.004" mm sec. Nyl.). Acidum atranoricum 

 continet sec. Zopf (Liebig's Ann. d. Chem. 300 p. 345, Flechtenst,, 

 1907, p. 404). Gonidia globosa, diam. O.oos— O.oie mm, tantum 

 simplicia visa, membrana tenuissima. 



Obs. Baeomyces pachypus Nyl., Syn. Lich. p. 182, sec. Th. Fr. 

 Lich. Scand. II p. 327 ad banc speciem pertineret, sed stipitibus baud 

 compressis ab ea facile distinguitur. Baeomyces y. Phloeopodium Sti- 

 zenb., Beitr. Flechtensyst. (1862) p. 166, podetiis corticatis descriptum, 

 spectans ad sect. B in Nyl. Syn. Lich. p. 182 {B. pachypus Nyl. et B. 

 trachypus Nyl.), nee B. placophyllum includens, alio modo limitatum 

 est, quani sect. Phloeopus. 



Sect. 2. Gymnopus Vain. 

 Lich. Ins. Pbilipp. Ill (1821) p. 58. 



Stipes apothecii saltern parte superiore strato chon- 

 droideo denudato zonaque gonidiali destitutus. 



2. B. rufus (Huds.) D.C. 



Fl. Fr. II (1805) p. 342; Wablenb. Fl. Lapp. (1812) p. 449; Ach. 

 Syn. Lich. (1814) p. 280; Nyl. Syn. Lich. p. 176 p. p., tab. I f. 12, tab. 

 VI f. 12—14, Lich. Scand. p. 48 p. p., Fl. 1877 p. 463, Licli. Par. (1896) 

 p. 26. Lichen rufus Huds. Fl. Ang. (1762) p. 443. Lichen cinereofuscus 

 Jacq. En. PI. Vindob. (1762) p. 188, 299 (sec. Kremp. Gesch. Lich. Ill 

 p. 209). L. byssoides L. Mant. (1767) p. 133 (Vain. Rev. Lich. Linn. p. 1). 

 Sphyridium byssoides Th. Fr. Lich. Arct. (1860) p. 177 p. p., Lich. Scand. 



II (1874) p. 328 p. p.; Arn. Lich. Franl<. Jur. (Fl. 1884) p. 144 p. p., 

 Lich. Miinch. (1891) p. 69 p. p. Baeomyces Schaer. Enum. Lich. Eur. 

 (1850) p. 183; Tuck. Syn. North Am. Lich. II (1888) p. 6. Sphyridium 

 fungiforme Flot. 1. c. (1842) p. 196; Koerb. Syst. Lich. Germ. (1855) p. 

 273 (forsan etiam Lichen ericetorum ,3. fungiformis Poll. Hist. PI., 1777, 

 Tubercularia fungiformis Wigg. Prim., 1780, n. 959, Cladonia Schrad. 

 Spic, 1794, p. 106, Siereocaulon Schaer. Spic. VI, 1833, p. 272 p. p.); 

 Krabbe Bot. Zeit. 1882 p. 68, 93, tab. II f. 1, 3, tab. Ill f. 3. 



Exs. Fr. Lich. Suec. Exs. V (1825) n. 146. — Nyl. Herb. Lich. 

 Par. I (1855) n. 27. — Rabenh. Lich. Eur. Exs. II (1855) n. 26, XIV 

 (1858) n. 413. — Stenh. Lich. Suec. Exs. n. 135. — Hepp Flecht. Eur. 



III (1860) n. 481 (in herb. meo). — Arn. Lich. Exs. (1861) n. 165, (1868) 

 n. 398. — Fellm. Licli. Arct. (1864) n. 22, 23. — Cromb. Lich. Brit. Exs. 

 (1874) n. 12. — Norrl. et Nyl. Herb. Lich. Fenn. cont. (1921) n. 715. 

 (P. p. sec. cit.) 



Thallus crustaceus aut raro subsquamulosus, areolatus, 

 areolis convexis aut planis, adnatis aut raro adscendentibus, 



