192 ON LICHEES COLLECTED Iff KERGTTELEW LAND. 



presso ; sporsc 8nae incolores oblongo-ellipsoideae, longit. 0*020-0-032 

 . millim., crassit. O'OIO-O'OH millim. Iodo gelatina hymenialis vinose 



rubescens. 

 Comparanda est cum V. obnigrescente, Nyl. in Flora,1875, p. 362, differens 



autem thallo alio et sporis nonnihil longioribus. 

 On rocks. Royal Sound. 



Very sparingly gathered. 



Verrucaria ^thiobola, Ach. Spores 0016-0-021 millim. long 

 0-007-0010 millim. thick ; and scarcely in any respect differing from 

 the European plant. 



On rocks. Royal Sound. 



Sparingly seen. 



V. pr^evalescens, NyL, sp. n. Thallus subochraceo-albidus opacus 

 tenuis rimulosus ; apotheciapyrenio dimidiato-nigro subhemisphaerico- 

 prominulo majusculo (Iatit. 0-6-0-7 millim.), epithecio impressulo; 

 sporse 8nae incolores ellipsoidese 3-septatse, longit. 0035-0-038 milling 

 crassit. 0014-0 018 millim. 



Est haec in stirpe V. pyrenophora omnino distincta species. 



On rocks. Observatory Bay. 



Very sparingly ; associated with Lecidia intersita. 



- 



V. kerguelena, Nyl. y sp. n. Thallus fusco-cinerascens vel pallido- 

 cinerascens, tenuissimus, obsoletus ; apothecia pyrenio nigro dimidiato 

 mediocri (latit. basi 0*5 millim. vel nonnihil minora), subhemisphserice 

 protninulo, epithecio punctiformi-impresso. Sporae 8nae incolores 

 ellipsoideae murali-divisae, longit. 00 16-0 025 millim., crassit. 0*007- 

 0010 millim., paraphyses graciles sat confertae. Iodo gelatina hyme- 

 nialis non tincta (protoplasma thecarum solum vinose fulvescens). 



In stirpe V. thelostomoidis est species insignis. 



On rocks. Royal Sound. 



Very sparingly. 



V. insueta, Nyl, sp. n. Thallus albidus (aut varians albido-ochraceus) 

 tenuis rimuloso-diffractus subrugosus (K — ); apothecia pyrenio in- 

 tegre nigro, dimidia parte supera denudata subrugulosa convexa (latit. 

 0'25 millim. vel minore), epithecio parum impresso; sporse 8nse inco- 

 lores oblongac 3-septatae, longit. 0-014-0017 millim., crassit. 0*003- 

 0004 millim., paraphyses graciles. Iodo gelatina hymenialis vinose 

 rubens. 



Est species peculiaris ad stirpem propriam Verrucariarum pertinens, quae 

 accedit ad stirpem V. cklorotica, at thecis clavatis, paraphysibus bre- 

 vioribus, gelatina hymeniali iodo violaceo-rubescente, differentias sis- 

 tens conspicuas. 



On rocks. Swain's Bay. 



Very sparingly seen, associated with Perttisaria cineraria. 



i 





