Brasilianische Flechten. 397 



Heterothecmm domingense Tuck., Synops. North Americ. 

 Lieh., vol. II (1888), p. 57. 



Pars inferior hypotheeii hine inde gönidia eontinet. Solutio 

 violaeea in exeipulo et in epithecio KHO provacata addito NO5 

 intensive aurea evadit. 



Corticola in horto botanico Janeirensi (Höhnel, Nr. 21). 



Bombyliospora pachycheila A. Zahlbr. 



Syn.: Lecidea pachycheila Tuck. in Proceed. Americ. 

 Acad. of Arts and Sciences, vol. VI (1864), p. 281. 



Heterothecium tuberculostifn '^ pachycheilum Tuck. Gener. 

 Liehen. (1872), p. 175. 



Patellaria (sect. Bombyliospora) pachycheila Müll. Arg. in 

 Flora, vol. LXV (1882;, p. 488. 



Heterothecium pachycheihtm Tuck., Synops. North Americ. 

 Lieh., vol. II (1888), p. 56. 



Thallus crustaceus, continuus, glaucescens vel glau- 

 cescenti-albidus, opacus, versus marginem plus minus laeviga- 

 tus, caeterum verruculis depressis, ambitu rotundatis vel 

 parum difformibus, 0'b~-\mm latis, albidis, sat crebris ob- 

 tectus, esorediatus, hypothallo indistincto, KHO — , CaClgOg — , 

 ecorticatus. 



Apothecia sparsa, adpresso-sessilia, 1 — 2 mm lata, disco 

 leviter concavo vel planiusculo, rufescenti-fusco vel rufescenti- 

 nigricante, opaco, nudo; margine primum tenui et integro, 

 demum turgido, pallido (albido), in latere verruculoso, per- 

 sistente; exeipulo proprio subchondroideo, ex hyphis dense 

 contextis indistinctis, haud radiantibus formato, obscurato, 

 verruculis in latere excipuli sitis stuppeis, albis, ex hyphis 

 dense contextis, non amylaceis formatis, gonidia continentibus; 

 epithecio rufescente, egranuloso; hymenio oleoso, 170 — 190[jl 

 alto, pallido, I coeruleo demum vinose-rufescente; paraphysibus 

 pertenuibus, filiformibus, simplicibus et eseptatis, dense con- 

 glutinates; hypotheeii parte superiore pallida, parte inferiore 

 fusco-nigricante; ascis oblongo-clavatis, hymenio parum bre- 

 vioribus, 2— 4-sporis; sporis ellipsoideis vel oblongo-ovalibus, 

 plus minus curvatis, apicibus rotundatis, hyalinis, normaliter 6-, 



