Lecidea] i. discolichenes (Wainio). 421 



albido, gonidiis destituto. Hypothecium fuscescens aut fusco- 

 rufescens. Excipulum subtus et in parte marginali interiore 

 fuscescens, ex hyphis conghitinatis formafcum, in parte marginali 

 exteriore glaucescens aut albidum, ex hyphis irregulariter crebre 

 contextis conglntinatis aut subconglutinatis tenuibus formatum, 

 inferne clausum, strato thallino gonidiifero impositum. Hyme- 

 nium jodo persistenter oserulescens. Epithecium tenuiter fus- 

 cescens. Paraphyses increbre ramoso-connexse, apice crebrius 

 ramosse connexaeque. Sporse oblongo- vel ovoideo-fusiformes, 

 apicibus obtusis, long, vulgo 0"015, crass. 0-004 mm. Concepta- 

 cula pycnoconidiorum pallida. Sterigmata brevia, pauci-artioulata, 

 ramosa. Pycnoconidia lageniformia vel pyriformi-oblonga, long. 

 0'005 ad O'OOS, crass. 0-015 mm., apice angustiore sterigmatibus 

 affixa. 



GoLUXGO Alto. — Ad folia Eiigenim uniflora' (Pitangueira) cultae 

 prope Sange. No. 308. Ad folia arboris aempervirentis in sylvis 

 primaevis in Sobato Bango-Aquitamba. No. 315. Ad folia Sapin- 

 dacearum prope Capopa. No. 304 pr. p. 



8. L. exiguella Wain., sp. n. 



Affinis et subsimilis est L. sublecanorincc, a qua colore thalli et 

 thallo tenuiore, apotheciis minoribus, tenuioribus, margine cine- 

 rascente tenuioreque distinguitur. Thallus tenuissimus, continuus, 

 viridis, opacus, gonidiis globosis, simplicibus, cystococcoideis, diam. 

 circ. O'OIO ad 0'006 mm. Apothecia, 0'15 ad 0'20 mm. lata, 

 orbicularia aut demum angulosa, disco fusconigro, piano, opaco, 

 nudo, margine tenui, integro, cinerascente aut sordide 'albicante, 

 gonidiis destituto. Hypothecium rufescens. Excipulum testaceo- 

 rufescens, ex hyphis irregulariter crebre contextis, subcongluti- 

 natis, tenuibus formatum, strato obscurato rufescenteve gonidia 

 parce continenti thalli impositum. Hymenium circ. 0'060 mm. 

 erassum, jodo persistenter cserulescens. Epithecium testaceo- 

 rufescens. Asci clavati aut pyriformes, long. circ. 0'040, crass. 

 0'012 ad 0-018 mm., apice membrana leviter incrassata. Para- 

 physes sat parce evolutse, leviter ramoso-connexse. Sporas 8nse, 

 polystichse, decolores, oblongaa aut ovoideo-oblongae, rectse aut 

 rarius leviter curvatse, 3-septatse, baud constricts, long. O'Oll ad 

 0'014, crass. O'OOS ad 0'004 mm., apicibus obtusis aut rotundatis. 

 Conceptacula pycnoconidiorum testacea. Sterigmata brevia 

 (0'004 ad O'OOS mm.), subsimplicia, apicibus pycnoconidia effe- 

 rentibus. Pycnoconidia pyriformi-oblonga, long. O'OOS ad 0-004, 

 crass. 0-0015 mm., recta, apice angustiore sterigmatibus aiBxa. 



GoLUNGO Alto. — Ad folia Fici urceolaris Welw. (cf . No. 6336) in 

 silva primitiva ad Quisuoulo una cum Strigula atrocarpa, Str. hypothelia, 

 Sir. Africana et Aaterothyrio Welwitscliij . No. 288 pr. p. 



Habitu Rinodinam exiguam in memoriam revocat. 



9. L. (Lopadium) olivaceum (MUll. Arg.) Wain. 

 Lopadium olivaceum MUlI. Arg., Lich. Beitr. (Flora 1881), n. 



271, Lich. Epiphyll. (1890), p. 15. 



Thallus tenuissimus, Isevigatus, glaucescens, gonidiis cystococ- 

 VOL. II. 28 



