130 



3. Ochrolechia. 



I. 0. tartarea (L.) Mass. 



Var. saxorum (Retz.) Wain. Lichen saxorum Retz. , Fl. 

 Scand. Prodi', ed. Il (1795) p. 276. 



Thailus crassus, subcontinuus, demum vulgo sorediosus, KHO 

 passim leviter lutescens, CaCLj02 intus parum aut leviter riibescens, 

 at his reagentiis unitis intus bene rubescens. Medulla jodo passim 

 leviter caerulescens, partim non reagens. Est forma typica hujus 

 speciei. 



Supra muscos in rupe in insula Jan Mayen et ad Fleming Inlet. 



Var. inspersa Wain. 



Thallus verruculas dispersas, subglobosas, circ. 0,2 — 0,4 mm. 

 latas formans, neque KHO, nec GaClgOg, nec his reagentiis unitis 

 reagens, esorediatus. Apothecia circ. 2,5 — 1,2 mm. lata, disco nudo, 

 pallido, KHO lutescente, CaClgOg non reagente aut levissime rubente, 

 at his reagentiis unitis bene rubente. margine his reagentiis non 

 reagente. 



Supra Racomitrium lanuginosum ad rupem in monte Hoyberg 

 in insula Jan Mayen. Fert. 



Var. frigida fSw.) Ach. 



Medulla thalli jodo leviter caerulescens. Hypothallus in spinulas 

 erectas continuatus. 



Supra lichenes et muscos in monte Hoyberg in insula Jan 

 Mayen. Ster. 



Trib. 6. Pertusarieae. 



1. Pertusaria. 



1. P. odilata (Dicks.) Th. Fr., Lieh. Scand. p. 307. 

 Supra muscos destructos in rupe montis Hoyberg in insula 

 Jan Mayen. Ster, 



Tiib. 7. Theloschisteae. 



1. Xanthoria. 

 I. X. polycarpa (Ehrh.) Wain. *X. lychnea (Ach.) Wain. 



Ad lapides in Kap Dalton (n. I). Ster. 



