(?)) J. MÜLLER. ANALEGTA AUSTRALIEN'SIA. 91 



20. Parmelia pertransita Stirt. v. phseocarpa ; apothecia e 

 pallido citissime lola brunneo-obfuscata; sporse in ascis S-ntc. — Corticola, 

 Queensland : Shirley n. 1747. 



21. Parmelia myriotrema Müll. Arg.; thalliis glauco-albidus, 

 radialim laciniosus; lacinise planiiisculae, apice margine tumidulo angusto 

 et brunneo terminatee, supra leevigatae, tenues, copiosissime perforât«, 

 subtus atrse et nudee, intus niveee; aperlurse V^-V» lûm. latse, inaequales, 

 ssepius longitrorsum diametro longiores; apothecia 1-5 mm. lata, novella 

 albida, margo demum crenulatus; discusfulvescens; sporse in ascis gemi- 

 nse, late ellipsoidese, cire. 45 jx longée et 28 |x latse. — Lacinise thalli in- 

 signiter crebre perforatse ut in Clathrina retipora. Stirps elegans. — Cor- 

 ticola in Tasmaniœ monte Wellington : Rev, Wilson n. 1731. 



22. Physcia crispa Nyl. v. linearis Müll. Arg,; lacinise thalli 

 discret8e,magislineari-angustal8e (planae), ad margines soredioso-pulveru- 

 lentse. — Forma analoga varietatis anthelinae inter Ph. stellarem Nyl. — 

 Corticola prope Melbourne : Knight n. 127. 



23. Pyxine retirugella Nyl. v. endoxantha Müll. Arg. f. sore- 

 diosa, thallus ut in planta normali, intus autem flavidus v. demum 

 ochraceus, soredia e citrino flavicantia v. demum expallentia. — Corticola, 

 Queensland : Knight n. 16, 17, et etiam in Java et insulis vicinis. 



V. endoxantha sine sorediis adest in America calidiore, et 



dein Pyxinem retirugellam Nyl. f. sorediigeram thallo intus 

 albo V. albido, sorediigero, ex insula Mauritii habeo. 



24. Pannaria nigrata Müll. Arg. ; thallus in peripheria obscurato- 

 ochroleucus et minute squamoso-radians, caeterum undique fusco-niger et 

 compacto-squamuloso-crustaceus; squamse peripherise adpressse, crenu- 

 latse, magis centrales late in crustam subconnatse et in lobulos erectos 

 tuberculiformes apice csesio-expallentes abeuntes; apothecia Va-i'/s mm. 

 lata, adpressa, plana, nigro-fusca; margo thallino-granosus, v. etiam nudus 

 et Isevis et integer, ex obscure ferrugineo nigricans; sporse 8-nae, 1-seria- 

 les, obtuse fusiformi-ellipsoidese, 20 ^ longse et 10 jj. latae. — Juxta 

 P. obsmram Müll. Arg. inserenda est. — Ad truncos emortuos prope Warr- 

 nambool in prov. Yictoria : Rev. Wilson n. 130, Knight n. 67. 



. 25. Pannaria obscura Müll. Arg.; thallus obscure ochroleucus, in 

 peripheria v. demum undique seneo-nigricanS;, undique brachylobus; divi- 

 siones planse et convexse, rigidulse, ad margines ante peripheriam adscen- 

 denti-lobuligerse ; lobuli tuberculiformes, csesio-albidi; gonimia generis; 

 soredia desunt. — Apothecia ignota. — Prseter colorem partium fere cum 

 P. leucosticta Tuck. convenit, sed tota est rigidior. A P. œnea Müll. Arg., 



