316 
1053. Arthonia pulcherrima Müll, Arg.; thallus tenuissimus, 
albo-pulverulentus, evanescens; apothecia orbicularia et angu- 
loso- v, sublobato-orbicularia, ?/,—*/, mm. lata, subplana, tenuia, 
laete carmino-sanguinea, intus concolora; hypothecium hyalinum, 
lamina caeterum pallide carmino-sanguinea; asci globoso-obo- 
voidei, parvi, 8-spori; sporae 8nae, hyalinae, 8-10 u longae, 
4 y latae, oblongato- v. cylindrico-ellipsoideae v. -obovoideae, 
utrinque obtusae, medio 1-septatae. — Stirps pulcherrima, pig- 
mento laete carmino-sanguineo eximia, prope A. cinnabarinulam 
Müll. Arg. L. B. n. 807 locanda. — Corticola in insula Porto- 
rico (Schwenke, ex hb. Hamp.). 
1054. Artholhelium miltinum Müll. Arg.; Arthonia miltina Krplh. 
Lich. Becc. p. 42. — Sporae hucusque ignotae, in meo speci- 
mine evulutae at rarae sunt. Lamina intus ut in Arthonia cin- 
nabarina; asci globoso-obovoidei, superne modice pachydermei, 
6—8-spori; sporae late ellipsoideae v. late ovoideae, 34—45 u 
longae, 19—22 „ latae, hyalinae, creberrime locellatae, locelli 
in seriebus 12--14 transversalibus circ. 4—6, subeubici. — Spe- 
eies pulchra, apotheciis multo laetius colorata quam in Arthonia 
einnabarina et tota planta extus thallo et apotheeiis simillima 
Arthoniae Wilmsianae e territorio Transwaal. — Corticola in 
borneensi insula Sarawak: Bece. n. 9%. 
1055. Melaspilea fugax Müll. Arg.; thallus cum cellulis sub- 
strati maculam albidam formans; apothecia ?/,, mm. lata, or- 
bieularia v. dimidio longiora quam lata, erumpentia, mox ad- 
nato-sessilia, demum laxe adnata basique p&ullo contracta faci- 
leque decidua, semper tota nigra, e plano v. subplano patella- 
ria, obtuse prominulo-marginata; margines in sectione nigro- 
fusci; hypothecium lamina 2—3plo nanius, cum epithecio fuscum 
v. nigro-fuscum; lamina obscurata; paraphyses aegre distin- 
guendae, arcte connexo-conglutinatae; asei oblongato-obovoidei, 
6—8-spori; sporae fuscae, ınedio subeonstrietae, 24—28 p longae, 
10—12 ulatae, aequaliter 2-loculares, v, loculus inferior leviter 
angustior, superiore non longior, uterque rotundato-obtusus, — 
A proximis M. proximellua Nyl. et M. Rhododendri Almg. jam 
sporis multo majoribus differt et insuper a priore hypothecio 
fusco sat erasso et a posteriore forma abbreviata apotheciorum 
distineta est. — Ad jcorticem Aceris ad pedeın montis Saleve 
supra Crevin ubi detexit cl. Rome. 
1056. Myeoporopsis leucoplaca Müll. Arg.; thallus albus v. 
einereo-albus, tenuis, laevis, subfarinulentus, margine nigro- 
