Brcasilianische Flechten. 389 



Corticola in horto botanico Janeirensi (Höhnel, Nr. 107; 

 corticola ad radices montium Serra da Ouro Preto in provincia 

 Minas Geraes (Schwacke, Nr. 11223). 



Sarcographa tricosa Müll. Arg., Graphid. Feean. in Mem. 

 soc. phys. et bist. nat. Geneve, vol. XXIX, Nr. 8 (1887), p. 63. 



Syn.: GrapMs tricosa Ach., Licbgr. Univ. (1810), p. 674; 

 Wainio, Etud. Lieb. Bresil, vol. II (1890), p. 116. 



Ad cortices laeves in borto botanico Janeirensi (Höbnel, 

 Nr. 83). 



Lecanactidaceae. 



Lecanactis myriadea A. Zablbr. 



Syn.: Lecidea myriadea Fee in Bull. soc. Botan. France, 

 tom. XX, 1873, p. 318; Krpbbr. in Flora, vol. LIX, 1876, 

 p. 271. 



Tballus epipbloeodes, tenuis, 45 — 60 \i altus, late effusus, 

 continuus, lacteus, albus vel rarius glaucescenti-cinerascens, 

 opacus, laevis vel sublaevis, ambitu passim linea obscuriore 

 limitatus, ecorticatus, KHO^ — , Ca Gig O^ — ; bypbae thalli 

 amylaceae (I. violaceae); gonidia in parte inferiore tballi ex 

 bypbis 1 — 2 \x latis leptodermaticis contextis formati sita, 

 chroolepoidea, cellulis concatenatis, subglobosi - ellipsoideis, 

 parvis (6 — 12 [x longis), membrana sat tenui. 



Apothecia copiosa, lecideina, rotundata, sessilia, parva, 

 0-3 — 0'7 mm in diam., atra et nitdiuscula vel subferrugineo- 

 pruinosa et opaca; disco e concaviusculo piano, demum con- 

 vexo; margine tenui, acutiusculo, concolore, in apotheciis 

 convexis depresso; hypothecio et perithecio crassiusculo, 

 nigro-fusco, KHO — ; epithecio rufescenti-fusco, subgranuloso, 

 KHO Solutionen! luteo-fuscescentem effundente; hymenio 

 pallido, 100— 160 [j. alto, hypothecio paulum latiore, 1 vinose 

 fulvescente; paraphysibus capillaribus, 1 — 1"5 [x crassis, ramo- 

 sis, apice haud incrassatis et connexis; ascis cylindraceo- 

 curvatis, facillime liberis, leviter curvatis, 8-sporis, 70 — 85 [). 

 longis et 8— lOjx latis; sporis bacillari-acicularibus, apicibus 



