Acta Societatis pro Fauna et Flora Fennica, 53, N:o 1. 101 



Thallus primarius squamis minoribus majusculisve. 

 Podetia brevia aut prolificationibus demum sat elongata, 

 scyphifera (aut raro ascypha), e centro scyphorum prolifera, 

 tabulatis 1—6, corticata, cortice subcontinuo aut areolis 

 corticatis subcontiguis, esorediata, typice baud squamosa, 

 KHO non reagentia, basi baud maculata. 



Distr. Ad terrain arenosam in campis apricis sterili- 

 busque et ad detritum supra rupes, rarius ad muscos 

 destructos in rupibus saxisque et ad terram turfosam 

 crescit. In Lapponia pluribus locis lecta, in Ostrobotnia 

 Kajanensi et in provinciis meridiem versus sitis est sat 

 frequens. 



Thallus primarius persistens aut demum evanescens, KHO 

 non reagens. Podetia e lamina et margine laterali thalli enata, 

 long. circ. 4 — 50, crass. 0.3 — 3 mm, scyphis 2 — 9 mm latis, 

 vulgo sat regularibus, cavitate scyphorum baud profunda, tabu- 

 latis inferioribus — 20 mm altis, olivaceo- aut testaceo- aut 

 albido-glaucescentia testaceave, KHO baud distincte reagentia, 

 apicibus baud diu accrescentibus, parietibus O.no — O.270 mm 

 crassis, sec. Zopf (Beitr. Chem. Mon. Clad. p. 83, 84, 101) 

 acidum fumar-protocetraricum (1 — ^/4 °/o) continentia (raro ascypha 

 et brevissima, in f. abortiva). Stratum chondroideum irregulari- 

 ter limitatum. Apothecia lat. O.5 — 1.5 (raro — 3) mm, inferne 

 constricta subpeltataque aut fere usque ad marginem suffulta, 

 primo planiuscula tenuissimeque marginata,fusca (aut raro testa- 

 ceo-rufescentia pallidave), sec. Zopf (1. c. p. 84 et 101) saltern 

 in f, cervicorni acidum cervicornicum continentia, quod in NaHO 

 solutionem praebet luteo-rufescentem, in H2SO4 solutionem 

 rubricoso-rufescentem. Sporae oblongae aut rarius ovoideo- 

 oblongae, long. O.oo? — O.016, crass. O.002— O.003 mm. Conidangia 

 subglobosa aut subgloboso-ovoidea, crass. O.400 — O.220 mm, basi 

 baud aut leviter constricta, nigricantia aut fusconigra. Conidia 

 cylindrica aut fusiformi-cylindrica, long. O.005 — O.008 mm, sat bene 

 aut leviter curvata. 



F. evoluta Th. Fr.; Stein Flecht. Schles. (1879) p. 49; Vain. 1. c. 

 II p. 177, III p. 258. CI. gracilis *Cl. verticillata a. evoluta Th. Fr. Lich. 

 Scand. (1871) p. 83. — Exs. Fr. Lich. Suae. Exs. VIII (1826) n. 234 A. 

 — Norrl. et Nyl. Herb. Lich. Fenn. II (1875) n. 67. — Malme Lich. Suec. 

 Exs. XIX (1915) n. 455, XXII (1915) n. 531. — Thallus primarius squa- 

 mis vulgo minoribus, circ. 2 — 8 mm longis. Podetia longiora, scyphi- 

 fera, tabulatis pluribus (demum —6). — Distr. Lin.: Ad Paatsjoki in 



