518 
.. 81 Lecidea modesta Krph. in E. Warming, Symbol. ad flor. 
Bras. Lichenes, p. 387. 
Corticola. 
Thallus hydrate Kalico intense rubeseit, 
82. Lecidea icterica (Montag.) in Ann. sc. nat. Bot. 1834. ser. 
2, tom. 2. p. 373 (sep. p. 6.) 
Ad terram nudam lutosam (Unicum?). 
88. Lecidea (Bialora) maculens Krph. sp. n. 
Thallus sordide umbrinus vel fuligineus, maculam me- 
diocrem, tenuem, irregulariter dilatatam, sed distinetam et valde 
eridentem im cortice offormans; apothecia dispersa, atra, valde 
minute (vix 0,6—0,7 mm. lat.), sessilia, immarginate aut obsolete 
marginate, convexa, intus nigricantia; sporae Snae, ellipsoidese, 
olivaceae, biloculares, medio 1septatae, long. 0,018—-020 ; erass. 
0,006--008 mm.; paraphyses gracillimee, discretae, flexuosae, 
capitulis fuseis. 
Ad cortices. 
Affinis Lecid. chalybeiae Borr., differens ab hoc prae- 
serlim sporis majoribus et eolore thalli. 
84. Lecidea (Biatora) silvana Koerb. Syst. Lich. Germ. p. 200. 
Ad ramos ramulosque prope urbem Concepion dei Uru- 
gusy. (Unicum in coll!) 
85, Lecidea russeola Krph. sp. n. 
Thallus sordide glaucescens, minute granulosus suble- 
Prosus, continuus, determinatus; apöthecia dispersa, numerosa, 
seseilia (lat, circ. 0,5—1,0 mm.), atrosanguinea, vel nigro-rufa, 
disco plano aut convexulo, 8 margine proprio tenui (in juniori- 
bus margine leviter pallescente), interdum evanido cincto; hypo- 
thecium rufum; sporae 4-6, acieulares, rectae, pluries septatze, 
long. 0,050—066, crass. 0,002—003 mm.; paraphyses gracillimae, 
dense stipatae et conglutinatae, sed conspicuae, 
Ad cortices. \ 
Apothecia quoad magnitudinem inaequalia, numerosa, 
plana fere adpressa. Affinis Lecideae spadicese 'Tuckerm., a 
que differt apotheciis majoribus, intensius coloratis, alie indole 
et colore thalli; aflinis etiam Lecidene fusco-rubellae Ach,, 
forma alie apotheeiorum et thalli recedenti; forsan efiam aflinis 
Lecideae vestitee (Mont.) Nyl., quae species vero e descriptioni- 
bus nubilosis et vacillantibus a Montagne et Nylander ad eam 
datis non certe dignoscenda est. 
