146 E. A. Vainio, Lecideales. 



1. c, Nyl. in herb. suo). Conidia „filiformia, arcuata, long. O.012 — O.oir," 

 (L. conglomerascens Nyl. in herb, suo) aut long. O.oie — O.020, crass. O.oooa 

 mm (L. squalens Nyl. in herb. suo). 



3. Bacidia De Not. 



in Giorn. Bot. Ital. (1846) p. 189; Koerb., Syst. Lich Germ. (1855) 

 p. 185; Th. Fr., Lich. Scand. II (1874) p. 342. Patellaria Miill. Arg., Princ. 

 Classif. (1862) p. 56 p. p. Secoliga e. Bacidia Stizenb., Krit. Bern. Lecid. 

 Nadelf. Sp. (1863) p. 10. Lecidea Stirps L. luteolae Nyl. in Hue Ad- 

 dend. II (1886) p. 162, Lich. Exot. (1892) p. 200. Lecidea subg. Bacidia 

 Vain. Etud. Lich. Bres. II (1890) p. 10. 



Thallus crustaceus, uniformis, raro verruculis sub- 

 coralloideo-connatis, interdum sorediosus. Sporae acicula- 

 res aut bacillares aut fusiformi-aciculares, vulgo 3 — pluri- 

 septatae, interdum septis baud evolutis, decolores. Hyme- 

 nium vulgo jodo reagens. Perithecium ex hyphis radianti- 

 bus, conglutinatis formatum. Gonidia pleurococcoidea. 



Subg. I. Eubacidia (Zahlbr.) Vain. Hymenium jodo saltern 

 primum caerulescens. 150. 



Sect. 1. Hypothecium intense obscureve coloratum. 

 Ser. A. Hymenium crassum (O.120 — O.oeo mm). 

 t Sporae longiores (long. O.070— O.ose mm). 



1. B. fuscorubella (Hoffm.) Arn. Apothecia lat. I.5 — O.5 mm, basi 

 bene constricta, margine persistente aut demum excluso. 150. 



2. B. propinqua Hepp. Apothecia lat. O.7 — O.4 mm, late adnata, 

 margine mox excluso. Sporae crass. O.003 — O.005 mm. 152. 



ft Sporae breviores (long. O.040— O.025 mm). 



3. B. vegeta Vain. Apothecia margine mox excluso. Sporae 

 crass. 0.0025 — O.oos mm. 153. 



Ser. B. Hymenium tenuius (O.oeo — O.040 mm). 



§ Epithecium typice aeruginosum (in formis incon- 

 stantibus pallidum). 

 Z\ Sporae bacillares (cylindricae). 



4. B. affinis (Zwackh) Vain. Corticola aut raro muscicola vel 

 saxicola. 154. 



ZSZ\ Sporae aciculares (alterum apicem versus 

 attenuatae). 



5. B. muscorum (Sw.) Arn. Apothecia majora (lat. I.5 — O.3 mm). 

 Sporae subrectae aut leviter flexuosae. Muscicola et terricola. 162. 



