

366 PROF. T. M. FRIES ON THE LICHENS 



probably grown on stone. Perhaps D. botularium (Nyl.), or a 

 new species. 



■ 



91. Mickoglena soedldula, n. sp. Crusta tenuissima, rimu- 

 losa, sordide pallideque subochracea ; apothecia parva, verrucis 

 thallinis semiimmersis ; amphithecio ceraceo-molli, subcinnaino- 

 raeo, depresso-hemisphserico, centro umbilicato-depresso ; peri- 

 thecio pallido ; sporis 8nis, parvis. 



On stone at Discovery Bay ; a single and minute specimen. 



A small plant, very distinct from all species known to me, in 

 its habit most resembling Jbf. Cella, Th. Fr., which, however, 

 differs by its much larger spores and other characters. — Apothecia 

 0*2-04 mm. lata; amphithecium humidum multo pallidius. Pa- 

 raphyses simplices, gracillimse, gelatinam libere percurrentes ; 

 asci subinflati ; sporse ellipsoideae vel globoso-ellipsoidese, murales, 

 incoloratsD, 0015-0-020 mm. longse et 0007-0009 mm. crassse. 

 Iodo contentus ascorum brunnescit. 



* 



92. POLTBLASTIA BRYOPHILA, LonUT. 



On mouldering vegetables around the winter-quarters of c Alert 

 and ' Discovery.' Spermogonia punctiformia, nigra ; spermatia 

 breviter bacilliformia, 0-004-0005 mm. longa, circ. 0*001 mm. 



crassa. 



{Nyl 



On limestone and other calcareous rocks in several localities 



Floeberg 



Tl 



these specimens show perithecium tenuiter nigrum ; amphithe- 

 cium semiglobosum ; anaphyses longae, graciles ; spone 8nse, el- 

 lipsoidese, oblongse vel dacryoidese, polyblaste, incoloratse, 0024- 

 0*036 mm. longse et 0012-0016 mm. crassse ; gelatina hymen, 

 iodo vinose rubens. 



94. Verrucaria ph^othelena, n. sp. Crusta macra, e 



verrucis parvis, dispersis, obscure fuscis formata; apothecns 

 parvis, adnatis vel semiimmersis ; perithecio globoso, nigro ; am- 

 phithecio crasso, hemisphserico vel centro leviter depresso umbin- 

 catove ; sporis ellipsoideis, minutis. 



In the vicinity of Floeberg Beach, on sandstones containing 



lime. 



hick 



Desiring to avoid adding a new species to a genus w 

 already contains too many badly defined forms, I have made 

 every effort to find some already described species with which 





\ 



