32 
Celeb. Leighton l. c. sine dubio specimen nondum plane 
evolutum ante oculos habuit, quod icon spore ab eo l. c. data 
satis demonstrat. Noster lichen ab illo Leightonii differt tha]; 
iuscescente et margine non aquose brunneo sed tenui limitato; 
sporarum forma omnino eadem ac in specimine Leightonii, 
Tab. nostra, fig. 4, spore tres. 
198.  Verrucaria approzimans Krphbr. spec. nova. 
Thallus ochroleucus, levis, contiguus, linea nigra conspicua 
limitatus; apothecia valde numerosa, hinc illinc aggregata vel 
conferta, immo confluentia, atra, depressa vél parum convexius- 
cula, nuda, plerumque lenticularia, apice pertusa, Oostiolis al- 
bidis perithecio integro; spore S, dilute olivacez vel glaucs, 
ellipsoidee vel oblonge, utrinque breviter cuspidate (citriformes) 
4-loculares, loculis duobus mediis majoribus, long. 0,022— 094, 
crass. 0,008—009 mm. 
Rio de Janeiro et Lagoa Santa, corticola (ad cortices 
laves). 
Apothecia mediocria, lat. c*-0,5—0'7 mm., plerumque de- 
pressa, ad dimidiam partem prominula et crebro approximata 
et conferta, 
A Verr. papilligera Leight. colore thalli formaque apothecio- . 
rum et sporarum omnino diversa. 
Tab.l, fig. 3; spore dus. 
1929.  Verrucaria prorecía Krphbr. spec. nov. 
Thallus cinerascens vel pallescens, tenuissimus, subnullus, 
indeterminatus; apothecia discreta, sessilia, subglobosa, medio- 
cria (lat. c* 0,7— 0,8 mm.) atra, nuda, perithecio integro, sape 
infra extrinsecus albido, apice minute papillato vel pertuso 
spore 8, oblonge, olivacee, 4-loculares (loculis lenticularibus) 
minute, long. 0,0413—0416, crass. 0,006—008 mm., in ascis 
cylindraceis uniseriate; paraphyses capillares, gracilente, con- 
spicue. 
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