20 TH. M. FRIES, 



Magdalenabay (J. Vahl), Kobbebay, Amsterdamön, Wijdebay, Treurenbergbay, Fosters 

 öar, Lommebay, Wahlenbergsbay, Low Island; indicatur quoque e Stans Foreland (Keilh.). 



Thallo deminuto apotheciisque sparsis vulgo occunit; supra terram nudam (ex. gr. ad Wijdebay et Am- 

 sterdam-ön) thallus melius evolutus: forma corruscans Ach. 



Hypotheoium iiicoloratura ; paraphyses sat validse, laxe cohierentes, apice granulis luteis tectae; asci inflato- 

 clavati; sporas 24:n8e val 32:n8e, primo simplioes, dein dyblastre, ellipsoideae 1. oblongaä, 0,008 — 12 mm. longse 

 et 0,0045 — 6 mm. latfe. Jodo coerulescit hymenium; K adhibito neque thalli neque disci color mutatur. 



S. G. subsimilis Th. Fr. Lich. Aret. p. 71. — Placodium aurellum Hepp Fl. Eur. n. 

 396, Gyalolechia aur. Kbr. Parerg. p. 51 (non Hoffm.). 

 Sparsa hujus speciei apothecia inventa sunt supra ligna vetusta, cornua vetusta 

 tarandi, terram nudam, muscos, plantas emortuas saxaque in Danskön, Treurenbergbay, 

 Depotön, Rypön, Stenön, Low Island atque ad Lommebay et Brandewijnebay. In litore 

 occidentali legit Nordenskjöld. 



Hypotheoium et paraphyses prioris similes; asci clavati; sporse 8:n8e, oblongpe, simplioes deraumque dy- 

 blastse 1), 0,oio — 17 mm. longie et 0,0045 — 60 mm. latfe. Eeagentiis chemicis adhibitis, nullo modo a priore 

 differt. 



20. DlMELiENA (Norm.) Beltram. 



1. D. nimbosa (Fr.). — Lich. Aret. p. 95. 



Supra terram nudam ad Treurenbergbay, Waijgats öar (speciosa!). Fosters öar, 

 Lommebay (supra arenam). 



Discus in bis regionibus nudus. Hypotheoium incoloratum; paraphyses filiformes, laxe cohserentes, apice 

 fnscescentes; asci infiato-olavati ; sporpe 8:niie, ellipsoidese, medio interdum paullum constriotae, utrinque obtusae 

 1. acutiusculfe, nigricantes, 0,0 17 — 2 1 mm. longse et 0,008 — I o mm. latse. Jodo coerulesoit. 



Trib. 2. Rinodinei. 



21. H.EMATOMMA Mass. 



1. II. ventosuni (L.). — Lich. Aret. p. 96. 



Rupibus adnascitur passim v. c. ad Bel Sovind (J. Vahl), Magdalenabay, Danskön, 

 Amsterdamön, Wijdebay, Treurenbergbay, Sju öarne (Nordenskj.). 



Hypotheoium inooloratum; paraphyses congliitinatie, apice subsanguinese, prseterea fuscesoentes; asci cla- 

 vati; sporee acioulares, basi caudatje, plejoblastie, 0,044 — 54 mm. longse et 0,003 — 4 mm. latte. Gelatina hymen. 

 jodo coerulescit. K colorem rubrum in pulcherrime coerulesoente-violaceum mutat; thallum non tingit. 



22. LECANIA (.\Uss.) Mudd. 



1.- L. aipospila (Wnbg.). — Dimerospora Lich. Aret. p. 98. 



In scopulis marinis, ut videtur, rarissima. Tantum ad Hornsund lecta (Norden- 



SKJÖLU). 



*) Sporse hujus priorisque, K imbutie, blastidia dua clarius ostendunt. 



