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iescens Nyl. Exot. Lich. from Eastern Asia affinis est, — Apo- 
thecia saepe halone nigrescente cineta sunt, non e dilatatione 
perithecii sed e melanohyphis dense sparsis subhorizontaliter 
in cortice prorepentibus formato, — Ramulicola in Australia 
ad Endeavour River: Persick. 
1212. Pyrenula segregata Müll. Arg.; Verrucaria aggregala f. 
segregala Nyl. Syn. Lich. Nov. Caled. p. 89; differt a proxima 
P. subaggregata Müll. Arg. Pyrenoc. Cubens. p. 410 (Verrue. aggre- 
gala Nyl. exelus. Syn.), apotheciis minoribus, sparsis, vertice 
tantum subtiliter aut non umbilicatis et dein sporis angustioribus. 
— Corticola in Nova-Caledonia, et in Australia orientali ad 
Trinity-Bay: Sayer. 
1213. Pyrenula finitima Müll. Arg., thallus obscure einereus, 
v. fuscescens, tenuis, leproso-evanescens; apothecia sparsa, nigra, 
e {velato nuda, '/, mm. lata, depresso-globosa, circiter triente 
emersa, vertice haud ummnbilicata; perithecium integrum, undique 
subaequicrassum, basi planum (ibique in centro saepe umbonato- 
productum); sporae (fuscae) cire. 15 u longae et 8 y latae, 
late fusiformi-ellipsoideae, utringue acutiusculae, 4-loculares, 
loeuli apicales reliquis multo minores. — Affinis P, segregalue, 
sed apothecia distinete majora, perithecium aequaliter integrum 
et sporae latiores. — Corticola in Australia orient. ad Toowoomba: 
Hartmann, ' 
1214, Pyrenula immersa Müll, Arg., thallus subeartilagineus, 
tenuis, laevis, flavescenti- v. fuscescenti-virens; apothecia glo- 
bosa v. globoso-ovoidea, de supra visa saepe paullo oblougata, 
fere Omnino immersa, apice emergentia, e velato mox ibidem 
nuda v. subnuda, atra, apice rotundato-obtusa v. demum vertice 
angustissime umbilicata (et in umbilico subinde albido-pulveru- 
lenta, non demum late umbilicato-impressa) ; peritheeium undique 
nigrum et aequicrassum; sporae 4-loculares (fuscae), oblongo- 
ellipsoideae v. obovoideae, 8-nae, 24—32 u longae et 10—13 u 
lataee — Quasi P. subductam (Nyl.) referens, sed apothecia 
primum minus obtecta et sporae triplo minores; caeterum pro- 
xima P, nilidae, a qua apotheciis differt. Etiam Pyrenula flaven- 
tior, sc. Verrucaria flaventior Stirt. Lich. of Queensland p. 9 affinis 
est. — Ad truncos arborum prope Toowoomba Australiae orient.: 
Hartmann, 
