LICHENES SPITSBERGENSES. 45 



Inventa est ad Hornsund, Magdalenabay (altit. 2300 ped. supra mare), Kobbebaj^, 

 Wijdebay, Treurenbergbay. 



Hypothecium fuscum; paraphyses laxe coliserentes, apicem vevsus subsmaragdulse; asci inflato-clavati; 

 sporse Stnse, ellipsoidese 1. breviter ellipsoideée (interdum giobosse), utrinque obtiisre, dyblastse vel liaud 

 raro siinplices, primo subolivacese, dein nigrofuscse, 0,0 ii — 16 mm. longse et 0,006 — lo mm. latfe. Jodo 

 coerulescit. 



8. B. coiiiops (Wnbg.). — Lich. Aret. p. 231. 



Ad scopulos marinos ad Kobbebay, Smeerenbiirg, Moffen, Treurenbei-gbay, Fo- 

 sters öar, Depotön, Rypön, Brandewijnebay. Ad ligna vestnta in Fosters öar. 



Hypothecium fuscescens; paraphyses distinotae, sat arote coliserentes, apice fusose; asci ventricoso- 1. 

 inflato-clavati; sporee 8:ii8e, ellipsoidese, utrinque obtusse, interdum medio leviter constrictfe, dyblastse, nigro-fuscEe, 

 0,013 — 16 mm. longse et 0,008 — 10 mm. latse. Jodo intense coerulescit. Spermatia acicularia, arcuata; ste- 

 rigmata simplicia. 



9. B. alpicola (Wnbg. pr. p.). 



Vulgaxis, ni fallimnr. Vidimus ex Hornsund, Magalenabay (alt. 2300 ped. supra 



mare), Danskön, Smeerenburg, Wijdebay, Treurenbergbay, Brandewijnebay(?). 



Hypothecium fusoescente-nigrum; parapHyses hyalince, apice fuligiueo-nigrse, arcte conglutinatse ; asci cla- 

 vati; sporse 8:nEe, ellipsoidese, utrinque obtusse, medio ssepe paullum constrictse, dyblastse, nigricantes, 0,018 — 

 2 6 mm. longse et 0,009 — 14 mm. latfe, halonem plus minus latum si negligis. Forma microspora, verisimi- 

 liter e Brandevidjnebay, sporas habet 0,oi i — 16 mm. longas et 0,007 — lo ram. latas. Jodo intensissime 

 coerulescit. 



10. B. urccolata Th. Fr. — Lich. Aret. p. 233. 



Supra thallum Lopadii pezizoiclei aliunique sterilem non determinandum ad Treu- 

 renbergbay, Lovens berg, Fosters öar, Murchisonsbay et Brände wijnebay(?J lecta. 



Plantula bis locis obvia recedit apotheciis solito majoribus, unde norainanda var. majuscula. — Hypothe- 

 cium nigrescens; paraphyses conglutinatse, sordide diluteque fuscidulse, apicem versus fuligineae; asci clavati; 

 sporse 8:nse, elongato-oblongfe, utrinque obtusse, rectse, 4^ — B-blastte, nigricantes, 0,014 — 2 2 mm. longfe et 0,005 

 — 7 mm. latae. Jodo coerulescit. 



11. B. convexa Th. Fr. — Lich. Aret. p. 234. 



Supra thallum emortuum Physcice ccesice et obscurce, Xanthorice elegantis atque 

 Avarosporw chlorophance ad Danskön, Treurenbergbay, Fosters öar, insulam parvam 

 prope Stenön et Low Island, ubique parcissime. 



Hypothecium nigricanti-fuscescens; paraphyses capillares, laxe cohserentes, apice nigricanti-capitatse; asci 

 inflato-clavati; sporse 8:nse, forma et magnitudiue admodum varise, vulgo rectse, oblongse, utrinque obtusse, septo 

 uno alterove longitudinali nonnumquam divisse, nigricantes, 0,013 — 24 mm. longse et 0,007 — 9 ram. latse. Jodo 

 gelatina hym., prsecipue circa asoos, coerulescit. 



43. RHIZOCARPON (Ram.) Th. Fr. 



1. Rh. gcminatnm (Fw.). — Lich. Aret. p. 234. 



Supra rupes duriores lectum ad Hornsund (Noedenskjöld), Danskön, Kobbebay, 

 Moffen, Treurenbergbay, AVaijgats öar, Lovens berg, Lommebay, Wahlenbergs bay, Low 

 Island, Brandewijnebay, Sju öarne (Nordenskjöld). 



Hypothecium nigro-fuscum; paraphyses filamentis in gelatina copiosa nidulantibus similes, apice fuliginese; 

 asci inflato- 1. ventricoso-clavati; sporse binse ^), primo hyalinse, dein nigricantes, murales, ellipsoidese 1. oblongo- 

 ellipsoidese, 0,060 — 72 mm. longse et 0,030 — 34 mm. latse. Jodo intense coerulescit. 



1) In speciraine ad Brandewijnebay lecto sporas singulas et binas in eodem apothecio observavimus. 



