LICHENES SPITSBERGENSES. 33 



Partes apothecii intenise ab priorum vix discrepant. Sporse ellipsoideee, 0,010 — 14 mm. longae et 0,00 6 

 mm. latse. Jodo vinose rubet, prsecedente coerulescentia. — Spermatia tenella, cylindrica, recta, circ. 0,004 

 mm. longa. 



6. G, hyperborea Ach. — Lich. Aret. p. 164. 



Priore, ut apparet, multo rarior. Visa e Danskön, Amsterdamön, Treurenbergbay, 

 Fosters öar, Wahlenbergsbay, Low Island, Brandewijnebay, Sju öarne (Nokdenskj.). In 

 Beeren Island (Keilh. sec. Smrft.). Ubique fertilis. 



In liis regionibus minus distincta atque evoluta quam in subalpinis Scandinavife; ingenue fatemur, nos 

 interdum inter hane et priorem nullos certos invenisse limites. — Stratum corticale indistincte parenchymatosum. 

 CaCl adhibito, iu thalli protuberantiis ciroa gonidiorum aoervulos prodit color roseus, mox evanesceus. — Partes 

 apotliecii internse nulla ratione ab illis priovis speciei recedunt, nisi quod color coeruleus, jodo provocatus diu- 

 tius persistit. Sporse 0,0 ll — 12 mm. longse et 0,005 — 6 mm. latae, 



7. G. crosa (Web.). — Lich. Aret. p. 164. 



Parcius videtur adesse v. c. in Stans Foreland (Keilh.), Hornsund, Bel Sound 

 (J. Vahl), Waijgats öar. Fosters öar, Lovens berg, Wahlenbergsbay, Low Island, Bran- 

 dewijnebay et Sju öarne (Nordenskj.). Undique fertilis. In Little Table Island 

 (Parry). 



Stratum corticale indistincte cellulosum. CaCl nullum alium colorem provocat. Partes apothecii interufe 

 priorum simillimae; spor» modo minores, vix limbatse, 0,008 — 10 mm. longse et 0,005 — 6 mm. latse. Jodo 

 primo sordide coerulescit, dein vinose rubet. — Spermatia cylindracea, recta, tenella, circ. 0,003 mm. longa. 



Fa in. 10. Lecideiuei. 



Trib. 1. Psorei. 

 30. PSORA (Hall.) Mass. 



1. Ps. rubiforniis (Wnbg.). — Lich. Aret. p. 169. 



Ad terram nudam ad Wijdebay, Treurenbergbay et Lovens berg lecta. 



Hypothecium fuscidulum; paraphyses concretfe, apicem versus rufescentes; sporee in ascis clavatis 8:uae, 

 ellipsoideae 1. oblongse, 0,012 — 17 mm. longse et 0,005 — 7 mm. latse. Gelatina hymen. jodo dilute coerulescit. 



2. Ps. dceipicns (Ehrh.). — Lich. Aret. p. 171. 



Tantummodo ad Lommebay observata. 



Hypothecium subincoloratum, fuscidulum; paraphyses concretse, apicem versus fuscse; asci clavati; sporaj 

 8:nae, ovoidese, oblongae 1. subfusiformcs, 0,oi2 — 16 mm. longee et 0,005 — 6 mm. latae. Gelatina hymen. jodo 

 coerulescit. 



2. Ps. atroriifa (Dicks.). — Lich. Aret. p. 171. 



Supra terram nudam lecta ad Bel Sound (J. Vahl), Magdalenabay, Eobbebay, 

 Danskön, Low Island (monstrosa, sterilis), Sju öarne (Nordenskj.). 



Hypothecium iucoloratum; paraphyses concretse, apicem versus fuscse; sporse in ascis clavatis 8:nae, 

 oblongie 1. subellipsoidefe, 0,015 — 16 mm. longae et 0,005 — 6 mm. latse. Jodo coerulescit. 



31. TONINIA (Mass.) Th. Fe. 



1. T. candida (Web.). — Thalloidima Lich. Aret. p. 173. 



Forma dispersa, arenicola lecta est ad Treurenbergbay et Lommebay. 



K. Vet. Akad. H.indl. B. 7 N:o a. " 



