A, Zahlbruckner, Afrikanische Flechten (Lichenes). 469 
‚leptodermaticis, dense septatis (ad septa nonnihil constrictis), 5—6 y crassis 
formato; stratum gonidiale infra corticem superiorem situm, crassum, 
continuum, cellulis globosis, laete viridibus, 9—15 y latis; medulla dilute 
‚ochracea, KHO —, CaCl,0; —, KHO + CaCl,0, —, ex hyphis dense intri- 
| catis, inspersis, non amylaceis composita. — Apothecia immersa, globosa 
vel subglobosa, in squamulis thalli 1—3, ostiolo umbilicato, usque 0,2 mm 
lato; excipalum pallidum, solum circa ostiolum infuscatum, ex hyphis lepto- 
 dermaticis et septatis formatum; involucrellum nullum; hymenium decolor, 
| purum, I e laevi coerulescentia mox cupreo-fuscum; paraphyses mox dif- 
fluentes et indistinctae; asci ovales vel oblongo-clavati, superne rotundati 
et membrana primum bene incrassata praediti, breves, 70—75 u longae et 
‚46—18 u lati, 8spori; sporae plus minus biseriales, decolores, simplices, 
‚late ovales vel fere subglobosae, membrana tenui cinctae, guttulam oleosam 
unicam majusculam includentes, 10—13 u longae et 8,5—9 u latae, — 
 Conceptacula pycnoconidiorum subellipsoidea, vertice dilatato, fuscato; peri- 
fulcrium decolor; fulcra endobasidialia, densa, septata (cellulis subglobosis); 
 pycnoconidia brevia, cylindrica, in medio levissime angustata, ad apices 
 rotundata, ad 3,5 u longa et vix I y lata, 
Kapland: Laingsburg im großen Karroo, an Sandsteinfelsen im trockenen 
Flußbett (BRUNNrHALER). 
Zum Vergleich läßt sich nur einigermaßen Dermatocarpon compactum (Mass.) 
A, Zahlbr. heranziehen; von dieser weicht unsere Flechte durch das glänzende Lager, 
die breiten, nabelförmigen Scheitel der Apothecien und die kurzen, breiten Sporen 
wesentlich ab. 
Dermatocarpon (sect. Endopyrenium) Finckei A. Zahlbr. in Annal. 
Mycolog., vol. XIX. (1921) p. 224. —- Thallus cervinus vel glaucescenti-cer- 
vinus, subopacus, madefactus viridescens, KHO —, GaCl,0, —, squamuloso- 
areolatus, squamis 1—2 mm latis, ad ambitum thalli magis evolutis et 
imbricatis vel congestis, subangulosis, convexis, superne subbullato-inaequa- 
libus, laevigatis, hinc inde tenuissime et irregulariter fissis, sorediis et isi- 
diis nullis, pallidus et erhizinosus inferne, superne corticatus, cortice superne 
-anguste infuscato, caeterum decolore, 24—28 u crasso, celluloso, cellulis 
parvis, globosis vel late ellipsoideis, leptodermaticis; gonidia infra corticem 
stratum continuum formantia, pleurococcoidea; medulla alba, KHO —, 
CaCl,0, —, I —, ex hyphis formata sat crassis, leptodermaticis, crebre 
septatis. — Apothecia in squamulis thalli ut plurimum plura, immersa, 
 Slobosa, vertice convexo, nigro, nitidulo, ad 4 mm lato, poro tenuissimo 
pertuso; involucrellum nullum; excipulum decolor, ad ostiolum rufescenti- 
obscuratum, ex hyphis tenuibus, tangentialibus, conglutinatis formatum; 
hymenium decolor, non inspersum, I cupreum; paraphyses non distinciae; 
‚asci clavati, superne rotundati, membrana undique tenue cincti, 100—130 u 
longi et 9—12 y lati, 8spori; sporae in ascis biseriales, decolores, simplices, 
angustius vel latius ellipsoideae vel fere subovales, guttula oleosa unica, 
