60 ßULLETI.\ \)E l'herbier BüLSSIEU. (28j 



hiuc lüde 2-4-DaUm conferta, sicca nigra, maclefacta leviter pallidiora, 

 convexiuscula ; statu sicco lineis duabus longitrorsis prominulis sub- 

 inarginata : epitheciiun olivaceo-nigrum; hypotheciuiii hyalinum; spoi'c« 

 in ascis globoso-obovoideis 8-nfE', hyalin*, ll-lo y longa.', 5-6 // lata% 

 biloculares. — A simili .4. microspermate Nyl. differt apotheciis magis 

 lineari-oblongatis et dein sporis subduplo uiajoribus. A. dispersa Nyl. 

 quoad sporas convenit at apothecia sunt valde gracilia. — Corticola ad 

 ramos Banksiœ scrratœ, Mordialloc : Wilson, n. 885, Lakes Entrance : 

 Wilson, n. 1585. et prope Chelteuhani : Wilson, n. 885 pr. p. 



176. Arthonia lecideola Müll. Arg.: thallus haud visus; apothecia nigra, 



Vio niiu. lata, orbicularia v. leviter oblongata, ambitu integro-regularia 

 et vulgo BiieUiam simulantia, sessilia. convexa, nuda et opaca, statu 

 sicco saepe subtiliter spurie niarginata. intus obscura : epitheciuni oliva- 

 ceo-nigrum ; In^othecium olivaceum; asci obovoidei, 8-spori: sporse 

 2-loculares, 16-18 y. longée, 7-9 y- latae, obovoideae. medio modice 

 constrictae. — Habitu A. palmicolam Ach. in mentem revocat, sed 

 apothecia subregularia et sporse aliter divisas sunt. Prope japonicam 

 .4^. Henonianam Müll. Arg. et A. pandanicolam Nyl. locum habeat. — 

 Ad ligna vetusta, Sandringham : Wilson, n. 1584. 



177. Arthonia Thozetiana Müll. Arg. L. B.. n. 524: in ramulis Berhendis 



vuhjaris liortorum. Boroondara : Wilson, n. 914. 



178. Arthonia propinqua Nyl. Nov. Gran., p. 106: corticola. ad Dripiiidfiii 



aroniaticaw, Black Spur : Wilson, n. 934. 



179. Arthonia complanata Fée Ess., p. 54 et Suppl.. t. XL. iig. 10 : Müll. 



Arg. Graphid. Féean., p. 58; corticola. Warburton : Wilson, n. 926, 

 930; Lakes Entrance : Wilson, n. 1589. in Eheocarpo cyaneo ad Black 

 Spur : Wilson, n. 933. 



180. Arthothelium pulvernlentum Müll. Arg. : thallus quasi maculam 



ochroleuco-alham formans, tenuissinms et contiuuus. laevis : apothecia 

 circ. 73-V2 iii'*i- If^ta, ex orbiculari oblongata v. irregulariter augulosa. 

 raro obsolete bifurcata. erurapentia, pulveraceo-velata et grisea, demuui 

 nudiora et nigra, madefacta obsolete fuscescentia aut colore non nuitata. 

 semper plana; epithecium olivaceo-nigrum; lamina cum hypothecio 

 hj'alina; asci obovoidei, 8-spori; sporae ellipsoïde». 14-16 y longae et 

 6-7^2 i->- latse, 4-6-loculares, loculi bilocellati. — Juxta afi'icana .4. alro- 

 rufum et A. consanguineiim inserendum est, a quibus distat apotheciis 

 magis velatis et magis iunatis nee non sporis minoribus. — Corticola, 

 Camperdown : Wilson, n. 880. 



181. Arthothelium velatius Müll. Arg.: thallus glauco-albus. tenuissinuis. 



continuus et laevis; apothecia nigra, thallino-velata et parum perspicua, 

 madefacta griseo-nigricantia , suborbicularia et plus minusve lineari- 

 oblongata, 7* '^^iii- l^^'ä.- demum 2-4-pl() longiora quam lata, leviter 

 convexa; epithecium virenti - nigricans ; asci oblongo-ellipsoidei et 



