on 8 
pallida et tenuissime pallidius marginata, margo haud pro- 
minens, evoluta immarginata et leviter convexa, fusces- 
! centi-carnea, ad peripheriam acute extenuata; lamina tota 
hyalina, hypothecium inferne subflavicans, cwterum hya- 
linum, paraphyses adglutinats, asei tenues, 8-spori; epore 
hyalins et simplices, 3-11 « long®, 2—2'/, u lat, anguste 
ellipsoideo-cylindries, utrinque obtuse. — AL. furfuracea 
i “ Pers. differt thallo levi, apotheeiis pallidioribus, minus 
\ erassis minusque rigidis et hypotheeio non infuscato. Juxta 
hane et Lecideam subsimilem Nyl. Lich. Nov. Zeland. 
; Linds. p. 254 locanda est. — Creseit ad ramos in planitie 
seens flumen Quillu, a protothallo radiaute alieno (Chio- 
decti) spurie byssino-marginata: Pechuel-Loesche. 
20. L. homala Krplb. Lich. Glaz. p. 48, ad lapides 
prope Pungo Andongo in Angola: Soyaux. — Cum planta 
sebastianopolitana optime conrenit. 
21. L. Angolensis Müll. Arg., thallus tenuiter tartareus, 
Ravicanti-cinereus, rimoso-areolatus v. demum subdiffracto- 
areolatus, linea hypothallina nigra einetus, areol® leviter 
convex®; apothecia !,,—'/, mm lata, haud emergentia, 
superfieiem thalli attingentia, tenuissine et vix perspieue 
nigro-marginafa, leviter concava, atra v. fusco-atra, nuda; 
lamina dö « alta, superne latiuscule virens, caeterum cum 
bypotbecio hyalina, paraphyses conglutinatae, asei cylin- 
drieo-obovoidei, 8-spori; spore 8—11 u long, 4—4!,, u 
late, oblongo-ovuidex (simplices et hyaline). — A proxima 
L. internigrante Krpih. Lich. Chin. n. 15 (ubi bLypo- 
theeium etiam hyalinum) »gre tantum distat, sed thallus 
pallidior et nonnihil flavicans, fissurae thalli haud nigr, 
areole minus plan», apothecia multo minora et sPor® 
comparatz ambitu angustiores. Primo visu Buelliam sub- 
Fr 
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