141 
1317. Blastenia pulcherrima Müll. Arg.; tliallus obscure 
cinereus, sub tenuis, crebre et tenuiter corallino-granularis, mar- 
gine effusus; hypothallus albus, secus marginem subperspicuus; 
apotheda adpresso-sessilia, circ. : ‘/ A —1 mm. lata, plana, tota 
puldierrime tincta, primum fulgenti-laeto-coccinea, dein pur- 
pureo-sanguinea, tota concolora; discus planus; margo semper 
prominens, tenuis, demum undulatus et varie tortus; hypothe- 
cium et lamina inferne et medio liyalina, liaec superne cum 
epitliecio coccineo -purpurea; asci 8-spori; sporae 10—12 g 
longae, 6—7 g latae, late ellipsoideae, utrinque obtusae, loculi 
utrinque demum longe distantes. — Prope Bl. puniceam 
Müll. Arg. locanda est. A BL ferruginea apotlieciis laetissime 
flammeo-coloratis, sporis minoribus et tliallo differt. — Corti- 
cola in Australiae prov. Victoria, loco Mordialloc: Frencli (ab 
illustr. Ferd. v. Mueller missa). 
1318. Buellia argillacea Müll. Arg.; tliallus argillaceus, 
tenuis, granuloso-diffractus, granula depressa, angulosa; apo- 
tliecia ~ mm. lata, nigra, nuda, plana, margine prominulo 
cincta; epitliecium fuscum v. virenti-fuscum; liypotliecium cras- 
sum, fuscö-nigrum; asci 8-spori; sporae 15—17 g longae, 7—8 u 
latae, ellipsoideae, medio modice constrictae. — Prope B. lepto- 
cline Mass. locanda, ubi apotliecia crassiora. — Saxicola in 
ins. Süd-Georgien, Lecideae ocellatulae intermixta: Pr. Wilken. 
1319. Plilyctidium (s. Phyllophlyctidiuni) phyllogenum 
Müll. Arg.; tliallus virenti-argenteus, tenuissimus, laevis, mox 
a substrato desquamescenti-deciduus; gonidia tenello-pliyllacti- 
dialia (unde sect. dis tincta Phyllophlyctidium) ; apotliecia 
erumpentia, subalba, thallo emergente irregulariter spurie mar- 
ginata, margo spurius demum crenato-lobatus; discus albus y. 
flavescenti-albidus, planus, paullo depressus, subpulverulentus; 
lamina liyalina, tenax; asci ambitu latiusculi, 4—5-spori; sporae 
liyalinae, vermiformes, utrinque rotundato-obtusae, 9—14-locu- 
lares, 56—65 g longae et 8—10 g latae, spiraliter curyatae. — 
Habitu ad Gyalectidium xantholeucum accedens, sed margo 
minus distinctus, irregularis et discus e tliallo erumpens et 
sporae dein diversissimae. — In foliis Ixorae in Noya Guinea: 
Sayer (comm. ill. Fr. v. Müller). 
1320. Astrothelium grossum Müll. Arg.; tliallus crassus, 
grosse disrupto- et undulato-inaequalis, superficie laevigatus, 
öpacus, pallescenti-roseus; stromata sessilia, basi modice in- 
nata, liemispliaerico-conica, obtusa, 2—4-pyrenia, tota altitu- 
