517 
4iformibus nigricantibus, heud prominulis; sporae 2nae in theeis, 
long. 0,66--0,77, crass, 0,28—0,30 mm. 
Ad corticem laevigatam ramorum, uon raro. 
Species parvule, sed jam apotheclis numerosis minulis 
nigro-orellatis et thallo lineolis nigris angustis irregulariter de- 
eussato conspieua. Pert. thelocarpoides .Nyl., praesertim vero P. 
elbidella Nyl. videntur affines. 
75. Perlusaria chiodectonoides Fee Ess. p. 67, tab. XIX. fig. 
4 sub Trypethelio; Supplem. p. 73 sub Pertusaria. | 
Ad corticem arborum (Cebil) in silvis prope Oran. 
Sporae 2 in asco, incolores, forma solita in genere, 
long. 0,074--077, erass. 0,028—030 mm. 
76. Pertusaria melonostioma Krph. sp. n. 
Thallus lacteus, tenuissimus, inaequalitates substrati 
continue sed irreguleriter obducens, determinatus; apothecia 
numerosa, porinvidea, sc. verrucas hemisphaericas vel mammil- 
losas, thallo concolores, prominulas (lat. eire. 1,8—1,4 mm.), effor- 
'mantia; hae verrucae plerumque monopyrenae, ostiolis 1-4 
minutissimis, atromarginatis vel prominentiis levibus minutis, 
rotundis, nigris, integris aut perforatis in vertiee instruetae; 
sporae 4—8, solitae generis, hyalinae, quoad magnitudinem valde 
variantes, long. 0,048—072, crass. 0,019-—030 mm. 
Ad cortices. , 
Species thallo lacteo et verrucis porinoideis concolori- 
bus, apice punctis atris (maculaeformibus) aut prominentiis ro- 
tundis, minutis, nigris ornatis, satis distincta videtur. 
71. Coenogonium inierplexum Nyl. Observ. sur les Coenog. 
p: N. ö 
Cortieola, sterilis (Unicum!). Filamenta thalli crass. 
0,013—014 ınm., striats et nodosa. 
Determinatio ob apoth. defic. non omnino certa! 
78, Lecidea (‚Buellia) lactea Koerb. Syst. p. 183; Buellia ialica 
v. lacleı Mass. Sched, crit. p. 163, Lich. Itelic. exs. N. 301. 
Ad rupes micaceas non infrequens. 
79, Lecidea myriocarpa (Decand.). 
Sporae olivaceae, oblongae, long. 0,011—013, crass, 
0,06—07 mm.; apothecia valde minuta, diam. 0,3-—0,5 mm. 
Ad ramos ramulosque. 
80, Lecidea .russula Ach. meih. p. 161,S$yn. p, 40 (non Fe), 
Ad cortices, 
gg 
x 
