345 
76. Opegrapha Bonplandi v. abbreviata (Fee) Müll. Arg Grantiid 
Feean. p. 17; Stern Flecht. v. Usambara n. 21; corticola in Usambara- 
Dr. H. Meyer (Stein n. 17). 
77. Opegrapha (s. Lecanactis) Quassiae v. nuda Müll. Ar°- Revis 
Lieh. Feean. p. 5; corticola in Africa tropico-orientali: Rev. J. Hannington’. 
78. Arthothelium aurantiacum Müll. Arg.; thallas intense aurantiacus 
aut flavescenti-aurantiacus, margine linea nigrescente cinctus, tenuissimus 
leprosulus v. sublaevis; apothecia nigra, parvula, tenuiter astroideo-ramosa’ 
nigra, obsolete thallino-vestita; sporae in ascis obovoideis apice pachv- 
dermeis 8-nae, hyalinae, 25—28 p longae et 9—11 p latae, oblono-o-obo- 
voideae, rectae et curvulae, transversim 8—10-loculares, loculi in axi 
3—o-Iocellati. Thallus fere ut in Callopismate aurantiaco Mass. apo¬ 
thecia autem ut in Arthonia astroidea Ach., sed longe gracilius et lono-ius 
astroideo-ramosa. — Corticola in Africa tropico-orientali; Rev J Han¬ 
nington. 
. 79 * Chiodecton minutulum Müll. Arg.; thallus albido-gJaucus, tenuis¬ 
simus, laevis, continuus v. demum parce rimulosus, ambitu haud byssinus- 
verrucae albissimae, fere 1 mm latae, orbiculares et oblongae et tum 
lectae aut varie curvulae v. etiam parce confluentes, nano-convexae, basi 
applanatae, laevigatae, minutissime et sat copiose ostiolatae; apothecia 
dense spaisa, orbicularia v. hinc inde oblongata; V 20 — 1 /iomm longa, non 
prominula, nuda, intus infra laminam profunde atra, subdiscreta; sporae 
26 30 p longae, 3 p latae, tenuiter fusiformes, subrectae, 4-loculares. — 
Juxta Ch. effusum Fee et Ch. Meratii Fee inserandum est, quibus longe 
. tenuius est. Corticola in Africa tropico-orientali; Rev. J. Hannington. 
80. Glyphis favulosa v. intermedia Müll. Arg. Graph. Feean. p. 61; 
ramulicola in monte Kilima Ndjaro: Dr. H. Meyer (vidi fragm. in hb. Steinii)! 
JPyrenuleae Müll. Arg. Pyrenoc. cubens. p. 375. 
81. Melanotheca cruenta Müll. Arg. Pyrenoc. cubens. p. 379; Pyre- 
uula Gravenreuthii Stein Flecht. v. Kilima Ndjaro n. 26; ad ramulos 
minores silvae Rabai Ndara; Dr. H. Meyer (vidi specim. Steinii). Apo¬ 
thecia in specim. viso fere omnia simplicia, qualia etiam hinc inde in 
speciminibus americanis occurrunt. Sporae bene evolutae 30 a longae et 
15 p latae sunt. 
82. Arthopyrenia (s. Mesopyrenia) planipes Müll. Arg.; thallus glauco- 
albus, tenuissimus, maculiformis, ambitu effusus; apothecia hemisphaerica, 
ex obtecto demum nuda et nigra, umbilicato-ostiolata, 5 /io— 6 /io mm lata, 
basi insuper in annulum planum vulgo velatum dilatata; perithecium basi 
deficiens; paraphyses capillares, firmae, sparsim connexae; asci obovoideo- 
cylindrici, 2-seriatim 8-spori; sporae 25—33^ longae, 11—12^ latae, 
obovoideae,. medio subconstrictae, utrinque rotundato-obtusae, 2-loculares. 
Apothecia juniora fere illa A. planorbiculatae Müll. Arg. referunt, sed 
obtecta et sporae multo majores sunt. Ab A. indusiata Müll. Arg. re- 
cedit structura apotheciorum. Optime, ut videtur, juxta A. terminatam, 
sc. Verrucariam terminatam Nyl. Lieh. Andam. p. 21 locanda est, quae 
thallo et paraphysibus differt. — Corticola in Africa tropico-orientali: 
Rev. J. Hannington. 
