Opegrapha] i. discolichenes (Wainio). 443 



G. 0. ochracea Wainio, sp. n. 



Thallus tenuis, leviter verruculoso-inseqiialis, pruina albido- 

 ochracea, opacus, continuus aut rimiilosus, partim linea nigricante 

 limitatus. Apotlieeia approximata, elevata, elongata aut oblonga 

 aut parce etiam ellipsoidea, long. 2 ad 0'3, latit. 25 ad 3 mm., 

 leviter flexuosa aut sat recta, simplicia aut raro furcata. Peri- 

 thecium fuligineum, integrum, labiLs liiantibus, ochraceo-pruinosis 

 aut denudatis, lajvigatis. Discus dilatatus, ochraceo-pruinosus 

 aut demum plus minusve denudatus. Hypothecium subhymeniale 

 tenue, pallidum. Hymenium et bypothecium subbymeniale jodo 

 persistenter ciserulescentia. Epithecium fuscofuligineum. Para- 

 pbyses ramoso-connexa?. Sporse Snse, decolores, 3-septatae, long. 

 0'014, crass. 0*004 mm., balone nullo indutse. 



LoANDA (0 ad 1000 ped. s.m.).^Ad corticem Omlm prope Boa 

 Vista. Xo. 370. 



7. 0. albocinerea Wain., sp. n. 



Tballus tenuis, sat Isevigatus, albus, opacus, continuus aut 

 partim subdispersus. Apothecia bene approximata, semi-immersa, 

 oblonga aut partim ellipsoidea rotundatave aiit difformia, simplicia 

 aut 3-radiata, recta aut curvata flexuosave, long. 0"8 ad 0*2, latit. 

 0'3 ad 0'2 mm. Peritbecium fuligineum, integrum, labiis liianti- 

 bus, margine tenui demum denudatis, latere strato thallino 

 obductis. Hypothecium subhymeniale fuscescens. Discus dila- 

 tatus, tenuiter ca^sio-pruinosus. Hymenium jodo dilutissime 

 ca^rulescens, dein vinose rubens. Epithecium fuscescens. Para- 

 physes ramoso-connexse. Sporse Bnse, decolores, o-septatse, long. 

 0-018 ad 0-023, crass. 0-003 ad 0*004 mm., halone nullo indutae. 

 Pycnoconidia filiformi-cylindrica, curvata, long. 0014 ad 0-012, 

 crass. 0-0007 mm. 



LoAXDA (0 ad 1()00 ped. s. m.). — Ad truncos Stcrcidioi in collibus 

 prope Boa Vista. Xo. 382. 



8. 0. subrimulosa Nyl., Fl. 1866, p. 293, Wright, Lich. Cub. 

 n. 1036. (in herb. meo). 



Thallus tenuissimus, cinereo-fuscescens. Perithecium fuli- 

 gineum, integrvim, basi crassum. Hymenium jodo vinose rubens, 

 baud cserulescens. Epithecium fuscescens, KHO non reagens. 

 Sporfe 8n£e, decolores, S-septataj, long. O'OIS ad 0-022, crass. 0-003 

 ad 0*0035 mm., halone nullo indutse. 



GoLUXGO Alto. — Ad corticem arboris Artocarpeae Musubiri (i.e. 

 Myrianthui arhorcus) prope Alta Quota. Xo. 375. 



9. 0. (Pleurothecium) prosodeoides Wain., sp. n. 



Thallus tenuis, .sat laivigatus, glaucescens aut olivaceo-glau- 

 cescenti-variegatus, opacus, continuus, linea nigricante limitatus. 

 Apothecia approximata, elevata, elongata oblongave aut parcius 

 etiam ellipsoidea, recta aut curvata, long. 1 ad 0-3, latit. 0-2 mm., 

 simpUcia. Perithecium fuligineum, dimidiatum, basi parte angusta 

 deticiens, labiis lajvigatis, conniventibus. Hypothecium pallidum. 

 Discus rimseformis, nigricans, nudus. Hymenium jodo vinose 

 I'ubens, baud cairulescens. Epithecium decoloratum. Paraphyses 



