234 E. A. Vainio, Pyrenocarpeae. 



1. C. ceratites (Wahlenb.) Fr. 



Vet. Ak. Handl. 1821 p. 119, Lich. Eur. Ref. (1831) p. 406; Schaer. 

 En. Lich. Eur. (1850) p. 244, tab. 9 f. 8; Nyl. Syn. Lich. (1858—60) p. 

 262, Lich. Scand. (1861) p. 67, Lich. Lapp. Or. (1866) p. 112, En. Lich. 

 Fret. Behr. (1888) p. 6, 43, 49; Th. Fr. Lich. Arct. (1860) p. 31, Norm. 

 Spec. Loc. Nat. (1868) p. 336; Almqu. Lich. Iakt. Sib. (1879) p. 47, 49, 

 Lich. Kiist. Beringsm. (1887) p. 520; Vain. Lich. Exp. Vegae Pitlek. 

 (1909) p. 167. Baeomyces Wahlenb. Fl. Lapp. (1812) p. 459. Cenomyce? 

 Ach. Syn. Lich. (1814) p. 279. 



Exs. Sommerf. PI. Crypt. Norv. II (1836) n. 155. — Fr. Lich. 

 Suec. Exs. XII (1852) n. 354. — Th. Fr. Lich. Scand. Exs. 1(1859) n. 3. 



— Zwackh Lich. Exs. (1876) n. 458. — Arn. Lich. Exs. (1898) n. 1748. 



— Havaas Lich. Exs. Norv. (1905) n. 317, 318, Lich. Norv. Occ. II n. 50. 



Thallus subfruticulosus, teres aut raro leviter com- 

 pressus, erectus, dichotome vel fasciculatim ramosus aut 

 subsimplex, apicem versus laevigatus, parte inferiore demum 

 longitudinaliter rugulosus, apicibus rotundatis obtusisve, 

 caespitosus, apice diu accrescens et simul basi emoriens, 

 hypothallo fruticuloso-ramoso, demum emoriente. 



Distr. „Ad terram nudam succosam atque inter muscos 

 locis stillicidio irrigatis per Nordlandiam, Finmarkiam utram- 

 que et Lapponiam Kemensem passim copiose" sec. Th. Fr. 

 1. c. Ad Olenji (P. A. Karsten) et Gavrilova (V. F. Brotherus) 

 in Lapponia Murmanica. Ad littus Maris Glacialis (Edvin 

 Nylander). Specimina e Lapponia Kemensi non vidi, neque 

 cognitum, a quo ibi lecta essent. 



Thallus long. circ. 5 — 25 mm, crass. 0.5 — 1, raro — 3 mm, 

 albidus, opacus, apices versus KHO superne dilute rubescens, 

 intus non reagens, CaCl 2 2 non reagens et una cum KHO in- 

 tensius rubescens, jodo non reagens, hypothallo fruticuloso, circ. 

 15 — 10 mm longo, raro viso, nam thallus basi emoriens et vulgo 

 e fragmentis thallorum vetustiorum excrescens. Stratum medul- 

 lare hyphis O.0025 — O.0035 mm crassis, sat leptodermaticis, longi- 

 tudinalibus parallelisque, maxima parte crebre constipatis, passim 

 leviter conglutinatis, gonidiis destitutum. Zona gonidialis circ. 

 O.030 — O.040 mm crassum, orbiculare. Stratum corticate circ. 

 0.030 mm crassum, impellucidum, ex hyphis formatum longi- 

 tudinalibus, leptodermaticis, O.005 — O.007 mm crassis, crebre consti- 

 patis et parce etiam conglutinatis, materia pallida, impellucida 

 incrustatis. „Conidia linearia, recta vel leviter curvula, O.004 — 

 O.005 mm longa et multoties angustiora" sec. Th. Fr. 1. c. Goni- 



