Lecidea] i. discolichenes (Wainio). 421 



albido, gonidiis destitute. ITypothecium fuscescens aut fusco- 

 vufescens. Excipulum subtus et in parte marginali interiore 

 fuscescens, ex hyphis conglutinatis formatum, in pai-te marginali 

 exteriore glaucescens aut albidum, ex hyphis irregulariter crebre 

 contextis conghitinatis aut subconglutinatis tenuibus formatum, 

 inferne clausum, strato thalHno gonidiifero impositum. Hyme- 

 nium jodo persistenter cserulescens. Epithecium tenuiter fus- 

 cescens. Paraphyses increbre ramoso-connexse, apice crebrius 

 ramosse connexteque. Sporse oblongo- vel ovoideo-fusiformes, 

 apicibus obtusis, long, vulgo 0"015, crass. 0-004 mm. C'oncepta- 

 cula pycnoconidiorum pallida. Sterigmata brevia, pauci-articulata, 

 ramosa. Pycnoconidia lageniformia vel pyriformi-oblonga, long. 

 0'005 ad 0"008, crass. 0-015 mm., apice angustiore sterigmatibus 

 affixa. 



GoLUNCio Alto. — Ad folia EitgenuB unlfloroi (Pitangueira) cultse 

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

 primeevis 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. suhlecanorince, 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. 0-010 ad O'OOG 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 destiti;to. Hypothecium rufescens. Excipulum testaceo- 

 rufescens, ex hyphis irregulariter crebre contextis, subcongluti- 

 natis, tenuibus formatum, strato obscurato rufescenteve gonidia 

 parce continenti thalli impositum. Hymenium circ. O'OGO mm. 

 crassum, 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. Sporte Snte, 

 polystichae, decolores, oblongje aut ovoideo-oblongse, rectse aut 

 rarius leviter curvatse, 3-septat3e, hand constrictse, long. 00 11 ad 

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

 Conceptacula pycnoconidiorum testacea. Sterigmata brevia 

 (0-004 ad 0-003 mm.), subsimpHcia, apicibus pycnoconidia effe- 

 rentibus. Pycnoconidia pyriformi-oblonga, long. 0003 ad 0-004, 

 crass. 0-0015 mm., rectn, apice angustiore sterigmatibus affixa. 



GoLUNGo Alto. — Ad folia Flrl ureeolarisWelw. {cf.l>io. G3.3G) in 

 silva primitiva ad Quisuculo una cum Strifjula atrocarpa, Sly. Injpotlielia, 

 Str. AfriffDia et Asterothyrio Wehvitsrhli. No. 288 pr. p. 



Habitu Rlnud'niaiu cxiguaia in memoriam revocat. 



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

 Lopadiuiii olivaceum Miill. Arg.. Lich. Beitr. (Flora 1881), n. 



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



Thallus tenuissimus, laevigatus, glaucescens, gonidiis cystococ- 

 VOL. II. 28 



