482 A. Engler, Beiträge zur Flora von Afrika. LII. 
Lich., vol. II, p. 456. — Graphis cicatricosa var. simplicior Wain., Étude 
Lich. Brésil, vol. IL. (1890) p. 127. 
Kilimandscharo: In der Umgebung von Moschi, auf Baumzweigen 
(ScHrÖDER n. 236). 
Sarcographa labyrinthica Müll. Arg. in Mémoir. Soc. Phys. et Hist. 
Natur. Genève, vol. XXIX, n. 8 (1887) p. 62. — Glyphis labyrinthica Ach., 
Synops. Lich., 4814, p. 107. 
Ost-Usambara: An Baumstämmen im Regenwald bei Amani, 800 m 
ü. M. (BRUNNTHALER). 
Chiodecton (sect. Stigmatidiopsis) irregulare A. Zahlbr. nov. spec. — 
Thallus epiphloeodes, crustaceus, uniformis, crebre contextus, late expansus, 
tenuis, cinerascenti- vel subvirenti-glaucescens, opacus, KHO sordide lute- 
scens, CaCl,0, —, subcontinuus vel increbre longitudinaliter fissus, versus 
ambitum subfarinaceo-leprosus, in centro magis laevigatus, hinc inde go- 
nidiis excrescentibus quasi tomentellus, isidiis et sorediis destitutus, in ipso 
margine tenuiter obscure cinnamomeo- vel olivaceo-fuscus, non byssinus, 
fere homoeomericus, strato medullari distincto nullo, gonidiis chroolepoi=M 
deis, concatenatis, hyphis thalli non amylaceis, I rufescenti-lutescentibus. — 
Stromata totam fere superficiem thalli occupantia, approximata et pro parte 
confluentia, non bene determinata, 0,4—2 mm lata, subrotunda vel irregu- 
Jaria, modice convexa vel paulum deplanata, anguste albo-marginata, hy- 
menia 4 vel plura includentia, hymeniis irregulariter dispositis vel subseriatis, 
gonidia continentia, distincte non corticata; disci rotundi vel rotundati, 0,08— 
0,1 mm lata, nigra, opaca (madefacta nitidula), superficiem stromatis non 
superantes, leviter convexi; excipulum in latere hymenii angustum, fuscum, 
infra hymenium validius vel haud latius, obscure fuscum vel fusco-nigri=« 
cans, excipula solum hinc inde confluentia; epithecium distinctum nullum; 
hypothecium decolor, ex hyphis tenuibus et intricatis formatum; hymenium 
in sectione transversali plus minus ovale, superne infuscatum, caeterum de- 
color, purum, 170—190 y altum, I obscure violaceo-coeruleum (ascis tamen 
lutescentibus); paraphyses densae, filiformes, ad 4 u crassae, simplices vel 
increbre ramosae et connexae, eseptatae; asci hymenio breviores, clavati, 
ad apicem rotundati et membrana bene incrassata cincti, 8 spori; sporae 
in ascis leviter contortae, decolores, vermiculari-fusiformes vel fusiformi- 
subcaudatae, utrinque tamen rotundatae, 6—8 loculares, septis valde tenui- 
bus, cellulis breviter cylindricis, membrana tenui cinctae, 28—44 u longae — 
et 3—4 u latae. — Pycnoconidia non visa. | 
Britisch-Ostafrika: Mairobi, bei der französischen Mission, auf 
Baumrinden (Scnrüper n. 317). 
Kilimandscharo: Aufstieg von Marangi zum Bismarckhügel, auf 
Rinden (Scaröper n. 206). 
