— Kxienr.— On. the Lichenographia of New Zealand. 855 
26. Ascidium manosporum, n. sp. 
Thallus albus v. sordide albus effusus tenuis, verrucis apotheciorum 
convexis coneoloribus v. pallido-fuscis, ostiola minutissima prominula. 
Apothecia excipulo proprio globoso integro tenui fusco instructa, hymenio 
tandem atro-fusco (in lamina subtilissima fusco) ; paraphysibus capillaribus 
bene distinetis. Spore in ascis monosporis fusiformes v. elongato-cylin- 
draceæ tandem fusce murali-divise—seriebus loculorum transversis 20-30 
in quavis serie 2-8 loculis in medio et 8-1 versus apicem utrumque, longit. 
0:1 ad 0:18 mm., crassit 0°02 ad 0:03 mm. 
Ad cortices, 
Obs,.—Var. a. Excipulum et hymenium pallida. 
27. Verrucaria (Leptorhaphis) macrocyrtospora, n. sp. 
Thallus obscurus macula pallido-flavescente indicatus (vix matricem 
colorans) v. nullus, verruculis apotheciorum minutis (basi latit. circa 0:8 
mm.) convexis. Apothecia orbicularia primitus immersa, excipulo proprio 
atro integro mox supra denudato—tum margine thallode tumidulo—hymenio 
dilute fusco, paraphysibus capillaribus perplexis. Spore in ascis cylin- 
draceis (long. 1:9 mm.) aciculares utrimque acutate hyaline in arcum 
constanter plus minus curvate 13-septate v. ultra, longit. 0-11, crass. 
0:008 mm. 
Ad arborum cortices. 
Obs.—V err. beloniza, Stirt. Spore recte, septa non visa. 
28. Verrucaria submargacea, n. sp. 
Thallus olivaceo-fuliginosus tenuissimus contiguus levigatus determi- 
natus, gonidiis veris ubique confertis. Apothecia nigra minuta (diam. 0:8 
mm.) hemispherica protuberantia a thallo leviter obtecta, excipulo dimi- 
diato atro apice poro minutissimo instructo, paraphysibus nullis. Spore in 
ascis clavatis simplices dacryoides incolores, longit. 0:028, crassit. 0-01 mm. 
Ad saxa. 
Obs.—Persimilis V. ethiobole prsecipue sporis dacryoideis sed differens 
sporis majoribus. 
29. Verrucaria (Polyblastia) trachyspora, n. sp. 
Thallus fuscus tenuissimus continuus. Apothecia hemisphsriea minuta 
dimidiata atra ad basim immersa, ostiolo depresso minutissimo madefacto 
prominente ambitu albescente, paraphysibus distinetis ramosis. Spore in 
ascis claviformibus nonnullis cylindraceis ovate murali- v. ruderiformi- 
divise, cellulis subpaucis irregularibus, hyaline incolores interdum luteole, 
longit. 0:018, crassit. 0-01 mm. 
Ad lapides. 
Obs.— P. tichospora, Knight (Trans. Linn. Soc., vol. ii, p. 87). Thallus 
cinerascens, spore minores, 
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