LICHENES EXOTICI. 



63 



TRIB. XX. — CETRARIEI. 



Gen. L. — Cetraria Acli. pr. p., Nyl. 



517. C. islandica Ach., Nyl. Sij)i. I, p. 298, lab. VHI, Og. 3'2, ubi definilur; Eiunn. 

 Lirh. p. 100; Floro 1809, p. /ii3, Ihallus K =, CaCI — . — Lirhi-n i.^landiai.K L. = In Asia 

 boreah (Sibiria, Lirh. Middend. p. 2; Lawrence ins., Lidi. Fr. Brhr. p. 44) et meridionali 

 (mont. Himalaya). — In America boreaU (Porl-Clarence, L.irh. Fr. Jiclir. p. 62), seplen- 

 (rionali (Garolina et Virginia), tropica in alpinis et australi (Cap Horn, Lirlt.N. ZrUnid. 

 1888, p. 144). — Etiam in Europa. 



— Var. platyna Nyl. Sijn. I, p. 299, ubi definilur; Crlnirin jilnli/nn Acli.= Occurrit 

 cum typo. 



.■"rl8. C. crispa Ach.. Nyl, Jyirh. J<^r. Brhr. pp. 7, 19 et 53. ('. islnndini var. rrispn NyL 

 S>/ii. I, p. 299, ubi definitur; Fnnm. Lirh. p. 100; l-loni l.SOf», p. l'(3, rcactio Ihalii est 

 eadem ac in praicedeute. = In Asia boreaU (Sibiria, Z/( A. Middrnd. p. 2; Lawrencebay, 

 Konyambay, etc). — In America horeah (Port-Ciarcnce, JArh. Fr.Brhr. p. 01) et tropica 

 (Nova Granata, Prodr. Fl. N. Gran. ed. 1* p. 21 et cd. 2" p. 10). — Eliam in Europa. 



— F. 1. inermis Nyl. J/ich. J'r. Jlrhr. ]>. 19, ubi (iofinilur. = lii Asia arclica 

 (Konyamhay). 



— F. 2. subtubulosa Fr.. Nyl. .S'y//. I, p. 299. ulii definitur: Floni 1809, p. 4'i3, cadcni 

 Ihalli reaclio. In Asia boreaU (Lawrcncebay ct Behring ins., J/nJi. /-V. JJrhr. pp. 7eto3). 



— In America boreali. — Etiam in Europa boreali. 



.-il9. C.Delisei Nyl. JJch. J.o/iji. Oriml. p. \\\ \ J''li,rii 1809, p. -411, thallus K =, CaCl 

 islond'\ca var. JJrlisci Scha'i'., Nyl. Sijn. I, p. 299 et JJch. Scand. p. "9, ubi delinitur. 

 = In Asia boreali (Sibitia, LicJi. Middcnd. p. 4; Lawrence ins., L.ich. J r. BrJir. p. 44). — 

 Eliam in Europa. 



— Var. 1. fastigiata NyL in Norrlin La/ij). p. 323: l-'lnr(i 1809, p. 443, eadem thalli 

 reactio. = In Asia boreali (Konyambay, LccJi J'r. BrJir. p. 10). — Eliam in Europa 

 boreali. 



— Var. 2. submedia Nyl. in Norrliu L.ajiji. p. 323. = In Asia Itoreali (Behring ins., 

 J.ii h. Fr. BrJir. p. 53). — In America borcah (Port-Clarence, JJrJi. J'r. JSrJir. p. 61). — 

 Etiam in Furopa borcali. 



520. C. nigricans Nyl. Si/n. 1, p. 29.1 et l'li,ni 18S0, p. 392, ubi dcfinilur; Flnni 18011. 

 p. 443, thallus K =, CaCI =. = In Asia boreali [^\\i']y'\a. J.irh. Middmd,. p. -4; Konyam- 

 bay, etc., /,/'(7/. /''/■. BrJrr. pp. 19, 28, 44 et 53). — In .\mcrica arctica (Port-Clarence, J/n Ji. 

 /'V. JicJir. p. 61). — I']liam iii Europa (Lapponia). 



521. C. aculeata Fr., Nyl. Si/n. I, p. 3()0, ulii (lclinilur: Jnnnn. J.irh. p. 100 et FJnra 

 1809, p 443, lliallus K =, CaCl = . = Lnlius di.-tribuitur (piam C islandira c[ in rcgionihus 

 minus frigidis de-cendit. — In America boreah (Porl-Clarence, J.irJi. J'r. JJrJn-. p. 61), me- 

 ridionali (Chili, .\ddil. FJ. rJiiJ. p. 179) et anlarclica fFiiegia, JjrJi. Fiirc/. p. 5; ins. Maclo- 

 vianis; frelo iSlagellanico, ubi viget fornia pcculiaris in Nyl. Si/n. loc. cilat. ddinila). — 

 Etiam in Europa. 



— Var. acanthella Ach., Nyl. N//;/. I, p. 300, iibi delinitur; Flnni 1809, p. 443, eadem 

 Ihalli reaclio. = In .\mcrica auslrali (Phili[i Bay, JJrJi. L'ncg. p. 5). — Eliam in Europa. 



522. C. epiphorella Nyl. Lich. Fucrj. p. 20 et apud Cromb. Falk. isl. p. 227, ubi defi- 

 nitur. = In America auslrali (Sandy Point: freto Magellanico, LicJi. .\. Zcland. 1888, 

 p. 144). 



523. C. odontella Ach., Nyl. Si/n. I, p. 301, ubi dcfinitur; Fnnin. Lirh. p. 100; FJora 

 1809, p, 443; thallus K =, CaCl =. = In America boreali ex Nyl. J^^innn. Lich.. sed Tuc- 



9 



