Kyigut.—On the Lichenographia of New Zealand. 349 
Obs.—B. roseus (Sch. No. 81) thallo granuloso, sporis fusiformibus leviter 
eurvatis (long. 0-015, crass. 0:0025 mm.) luteolis. B. byssoides (Scher. 
No. 82) hymenio fusco, sporis ellipsoideis long. 0:01 mm., crass. 
0:004 mm. 
2. Thelotrema circumscriptum, n. sp. 
Thallus ex ochraceo pallido-fuscus levis subnitiusculus tenuis continuus 
linea fusca determinatus, verrucis apotheciorum hemisphericis (diam. 0-5 
ad 1 mm.) prominulis, ostiolo simplici. Apothecia immersa excipulo proprio 
laterali dilute fusco instructa, matrice enata, madefacto epithecio in sectione 
multo dilato, paraphysibus distinctis apice dilute coloratis. Spore sub- 
claviformes interdum oblongs hyaline 6-12-septatæ, long. 0:02 ad 0-085 
mm., crassit. 0:005 mm. 
Ad cortices arborum. 
9. Thelotrema farinaceum, n. sp. 
Thallus albus cartilagineus nitidus continuus, verrucis apotheciorum 
globosis confertis. Apothecia primum clausa tandem late aperta, disco 
dilute colorato albo-pruinoso, margine albo elevato farinaceo, paraphysibus 
subtilissimis subramosis. Spore in ascis crebris monosporis oblongo- 
clavate circiter 14-septate, longit. 0-14 mm., crassit. 0:04 mm. 
Ad arborum cortices. 
4, Pertusaria leucodes, n. sp. 
Thallus albus passim rimosus, verrucis apotheciorum convexis v. hemi- 
spheericis concoloribus, ostiolo primitus minuto mox in pseudo-discum nune 
planum nune urceolatum (interdum cavatum) confluentibus. Apothecia 
1-3 in quavis verruca, excipulo proprio nullo, hymenio thallo enato, para- 
physibus adglutinatis clathratim-ramosis. Spore 2, 4, 8næ, in iisdem 
apotheciis, ellipsoidez simplices, pluries limbatz, longit. 0-05 mm., crassit. 
0:02 mm. 
Ad arborum cortices. 
5. Pertusaria fumosa, n. sp. 
Thallus fumoso-nigricans intus albus tuberculosus, tuberculis apothe- 
ciorum parvis globosis albescentibus mox hiantibus, epithecium urceolatum 
nigrescens denudantibus, margine elevato nonnihil subtumido irregulari, 
excipulo proprio nullo, hymenio strato gonimico oriundo, paraphysibus 
adglutinatis obscure ramosis. Spore in ascis clavatis ovoides simplices 
angusté limbate luteole, longit. 0:025 mm., crassit. 0:012. 
Ad arborum cortices. 
6. Phlyctis stromaphora, n. sp. 
Thallus crassus albidus granulosus areolatus, areolis nonnihil conglo- 
batis. Apothecia in stromatibus thallinis creberrimis rotundato-difformibus 
v. convexo-prominentibus v. planis insqualibus immersa, plura in singulis 
