Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 335 



Exs. Fr. Lich. Suec. Exs. XIII (1827) n. 382 C (sec. Th. Fr.). 

 — Schaer. Lich. Helv. Exs. VIII (1828) n. 180 B (herb. Nyl.). — Arn. 

 Lich. Exs. (1879) n. 813. — Mahne 1. c. 



Thallus modice incrassatus, areolatus aut rarius subverrucosus. 

 Apothecia vulgo demum thallum superantia, margine modice incrassato 

 aut raro tenui. 



DIstr. Locis apricis ad rupes et saxa. Locis numerosis coUecta. 

 LIn.: Edlehjarvenpahta (F. Silcn), Hammastunturi (Vain.). LKem.: Kei- 

 miotunturi in Muonioniska (J. P. Norrlin). Etiam in prov. mediis et 

 meridionalibus collecta. 



Thallus cervinus aut raro cinerascens albidusve, areolis circ. 

 0.8—0.2 mm latis, planis aut rarius convexis verrucaeformibusque, 

 laevigatis aut raro verruculoso-inaequalibus, contiguis. Apothecia lat. 

 1.3 — 0.5 mm. Perithecium fusco-fuligineum. Hypothecium fuscescens 

 aut partim rubricosum. Hymenium circ. O.no mm crassum. Epithe- 

 cium fuligineum aut olivaceo- vel aeruginoso-fuligineum, KHO non 

 reagens. Paraphyses crass. O.nois mm, apice O.oos — O.004 mm. Sporae 

 long. 0.018 — 0.029, crass. O.009— O.ou mm, decoloratae aut demum fumoso- 

 olivaceae aut morbose dilute fuscescentes. Gonidia cystococcoidea, 

 simplicia, globosa, diam. O.007 — O.012 mm, membrana sat tenui. 



Obs. 1. F. dealbata (Nyl. in sched.), ad rupem porphyricam in 

 Keimiotunturi in Kittila in LKem. ab J. P. Norrlin collecta, thallo in- 

 structa est modice incrassato, albido, verrucoso, verrucis O.2— O.5 mm 

 latis, contiguis, hypothallo vix distincto, apotheciis prominentibus, 

 1 — 0.7 mm latis, margine fere modice incrassato, epithecio olivaceo- 

 fuligineo, hymenio superne partim aeruginoso, hypothecio fusco aut 

 partim rubricoso-fuscescente, perithecio fuligineo, sporis 1-septatis, 

 decoloratis aut morbose dilute fusco-pallescentibus. 



Obs. 2. Catillaria Massalongii Koerb., Parerg. Lich. 3 Lief. (1861) 

 p. 165, spectat ad „L. confervoidem /i. concretam" Schaer. (Lich. Helv. 

 Spic. Ill, 1828, p. 128), ad Gurten in Helvetia collectam (Schaer. Lich. 

 Helv. Exs. n. 177 p. p., ad Rhiz. obscuratum Mass. in herb. D.C. perti- 

 nens), et „lamina apothecii fuscescente et hypothecio vix colorato" a 

 Koerb. descripta est, quare hoc nomen ad banc speciem designandam 

 baud bene adhibitur. 



Obs. 3. L. atroalba var. applanata Fr. (Summ. Veg. Scand., 1846, 

 p. 116) spectat ad Fr. Lich. Suec. Exs. n. 382 (A, B, C), quorum A ad 

 Rh. plicatilem (sec. Th. Fr. 1. c. p. 631), B ad Rh. badioatrum (sec. Th. 

 Fr. 1. c. p. 614) et Rh. distinctum (sec. Arn. Lich. Frank. Jur. p. 200) 

 et tantum C ad Rh. Hochstetteri (sec. Th. Fr. 1. c. p. 618) pertinet, 

 quare hoc nomen prioritatem ad banc speciem designandam non habet 

 (conf. Tuck. Syn. North Am. Lich. II p. 100, Nyl. Lich. Jap. p. 82). 



