Fe 
tenuis, 
a 
dicatus. Apothecia atra, magna (lat. 1—1’, mm.), verrucas 
dispersas a thallo paene omnino obtectas, plus minusve 
emersas vel et plano-convexiusculas efformans, subtus in cor- 
tice innata, apice verrucarum paululum denudata, ostiolo 
pertuso, perithecio (sensu Nyland.) atro, basi deficiente, 
nucleo fuscescente. Thecae nonosporae; sporae elongato- 
ovoideae vel ellipticae, magnae 1'10—1'48 mm. long., 
- 0:033— "038 mm. lat., primo murali-divisae, olivaceae, tan- 
dem fuscae, omnino opacae, — Aeusserlich der Verrucaria 
marginata Hook. ähnlich. 
Opegrapha apomelaena Mass. sp. n. Thallus pallido- 
virescens vel albidus, tenuis, effusus. Apothecia elongata, 
 sessilia, nigra, linearia, angusta, simplicia, flexuosa, sat con- 
ferta, convexula, epitheeio rimiformi, intus albida. Sporae 
6—8, primo hyalinae, dein fuscescentes, oblongo -fusiformes 
(erucaeformes), pluriloculares, 0:030—036 mm. long., 0'005— 
007 mm. lat. Hypothecium fuscum. — Die Flechte steht der 
Öpegr. interalbicans Nyl. (Prodr. Fl. Nov. Granat. 8. p. 92) 
sehr nahe und ist kaum anders als durch die Sporen derek 
verschieden. 
‚Opegrapha fagorum Mass. sp. n. Thallus glaucescens, 
be ‚ subdeterminatus. Apothecia gracilia, atra, 
prominula, 2—4 mm. long., flexuosa, divaricato-ramosa, epi- 
thecio rimiformj, angusto, nudo, margine thallino inconspicuo. 
Sporae 8, elongato - fusiformes, hyalinae, 10—12 loculares, 
0:033—038 mm. long., 0'008 mm. lat. (Mit Abbildung.) 
Opegrapha leptochroma Mass. sp. n. Thallus albido- 
glaucescens, rugulosus, a linea tenui atrofusca limitatus, circa 
apothecia plerumque leviter cinnabarinus. Apothecia pro- 
minentia, atra, simplicia, rarius furcata, flexuosa curvataque 
(anfractuosa), sat conferta, partim brevia, ellipsoidea, partim 
elongata, linearia, epithecio rimiformi. Sporae ... 
Graphis chlorotica Mass. sp. n. Thallus psittacinus vel 
viridi-flavescens, tenuis, opacus, subdeterminatus. Apothecia 
ne gracilia, elongata, flexuosa, vage divaricato - ramosa, 
subinnata et a thallo subobtecta, margine thallino non 
 distineto, satis conferta, epithecio angustissime rimiformi, 
OTTO 
rimis plerumque albo-suffusis. Sporae 8, incolores, elongato- 
fusiformes, 6—12 loculares, 0033—038 mm. long., 0 005— 
006 mm, lat., hypothecio pallide-fusco. 
Coniangtum aleteum Dass, sp: n. Thallus albido-vires- 
cens, tenuis, uniformis, irregulariter dilatatus, in statu typico 
a linea tenui fusca ceircumscriptus. Apothecia atra, sparsa, 
. minuta, difformia, innato-sessilia, disco primum submarginato, 
lano, dein convexiusculo; sporae 8, hyalinae, elongato-ovoi- 
eae (nymphaeformes), di-tetra-blastae (1—4 septatae), minu- 
D x 
