373 



Syn. Verrucaria puvctiformis et epidermidis Auctt. p. p. 



Verrucaria puvctiformis ß. atomaria S ni r ft. Suppl. p. 137. 

 Arthopyrenia epidermidis Mass. Rich. p. 167. 

 Arthopyrenia grisea Köer b. Syst. p. 36 \ 



Verrucaria rhyponta Ny I. Pyr. p. 60 (p. p.). 

 Exs. Zw. n. 107. — Hepp n. 88. 



Ad corticem betulae et al ni passim usque in Finmarkiam ; circa Me- 

 sen (Rupr.). 



Sporne in ascis obovato-clavatis luteolo-hyalinae, elongato-oblongae, pri- 

 mitus 2- dein 4-blastae, O.oii — ig mm. longae et 0,oo3— -4 mm. latae. — De- 

 scriptio Nylanderiana diflPert sporis oblongis I. oblongo-ovoideis, long. 0,oi8 — 23, 

 crass. 0,005—7 mm." Melius quadrat Massalongiana "sporis ellipticis, 4 — 6-locu- 

 laribus, diam. long. 0,oiô? mm. transv. O,003f>6 mm." 



Art//. Fumago (Wallr.) Ko er b. Syst. p. 370 in Lapponia meridionali 

 vix deest, nam speeimina vidi lecta ad corticem Salicis Capraeae jirope templum 

 rusticum Tomoénse. Hujus sporae sunt in ascis inflatis octonae, tetrablastae, e- 

 longato-oblongae, luteolo-hyalinae, 0,o20 — 22 mm. longae et 0,000 mm. latae. 



83. Lcpforhaphis K o erb. 



Thallus crustaceus, tenuissimus 1. subnullus, hypophloeodes; apothe- 

 cia erumpentia, amphithecio corneo-carbonaceo atro, apice obsolete pertuso, 

 perithecio tenuissimo, hyalino; paraphyses indistinctae, floccoso-conglutinatae; 

 sporae aciculares, 2 — 8-blastae, incoloratae. 



Sporis tantummodo ab Arthopyrenia distinctum genus. 



1. L. epidermidis (Acb.): crusta nulla I. tenuissima, subleprosa, cine- 

 rascente; apotheciis elliptico bemisphaericis, subnitidulis, minutis, ostiolo sub- 

 tilissime umbilicato tandem pertuso. 



Syn. Verrucaria epidermidis Acb. Univ. p. 276, Syn. 89 (excl. /S.). 



Leptorhaphis ozyspora K o erb. Syst. p. 371. 



Exs. Rbnh. n. 117. 



In epidermide betulae per totam baud dubie regionein Scandinavicam, 

 quamvis hactenus e Nordlandia modo (herb. Smrft.) et Nyborg Finmark, 

 orientalis viderim; in Lapponia Kemensi (Herb. Mus. Fenn.). 



Asci lineari-clavati, sporae aciculares, 4 — 8-blastae, rectiusculae 1. vulgo 

 curvulae, luteolo-hyalinae, 0,hïs— 37 mm. longae et 0,oo3 mm. latae. 



Nomen epidermidis multis rationibus retinendum est, nam et optime sta- 

 tionem indicat et hane respici suadet descriptio Achariana. Alias plantas pro 



47 b 



