322 Transactions.— Botany. 
medis paullulim distentis. Sporae lineari-oblongae v. lineari-clavatae 3-sep- 
tatae dilute luteae, longit. ‘017 mm., crassit. ‘006 mm. 
Ad saxa 
Thallus obliterated, lirellaeform, often flexuose (rarely round, deformed), 
margins parallel or a little distended in the middle ; epithecium pliciform 
or rimiform. Spores linear-oblong or linear-clavate, 3-septate, light yellow, 
length -017 mm., breadth :006 mm. 
On rocks. 
Fig. 16. Section of apothecium magnified 14 diameters. 
16. a, Ascus and spores 300 
16. b, c, Spores “y= B00 ” 
Fissurina nove-zealandia, Knight. 
Thallus crustaceus laevigatus ochraceus tenuiter areolatus. Apothecia 
immersa flexuosa lineari-elongata, fissuris a thallo marginatis conniventibus 
tumidulis, excipulo atro-fusco crasso a thallo insuper tecto infra subito 
evanescente. Sporae in ascis clavatis 5-septatae ellipsoideae incolores, 
longit. -02 mm., crassit. ‘01 mm. 
Ad saxa. 
Thallus crustaceous, smooth, ochraceus, finely areolate. Apothecia 
immersed, flexuose, linear-elongate ; fissures margined by the thallus, con- 
nivent, swollen; excipule blackish-brown, above thick, covered by the 
thallus, below suddenly evanescent. Spores in a club-shaped ascus, ellip- 
soid, colourless, 5-septate, length -02 mm., breadth -01 mm. 
On rocks. 
Fig. 17. Section of apothecium magnified 14 diameters. 
17. aand b, Ascus and spores ,, 300 
” 
Astrothelium pyrenastroides, Knight. 
Thallus effusus glauco-albescens vy. cinereo-olivaceus vy. ochraceus rimu- 
losus. Apothecia convexa a thallo plus minus velata demum denudata 
carbonacea, loculis 2-5, ostiolis convergentibus in os commune sepissimé 
desinentibus, ore ochraceo, paraphysibus tenerrimis rectis v. subtortilis. 
Spore in ascis elongato-cylindraceis incolores demum dilute fusce fusi- 
formes 5-8-septate—(vix unquam 3—4-septate)—y. sepius murali-divise v 
interdum locellis medianis a septulis longitudinalibus divisis, longit. -038 
mm., crassit. °012 mm. 
Ad cortices arborum. 
