Kyiaut.—Further Contributions to Lichen Flora of N.Z. 825 
haemispherical ; perithecium carbonaceous, entire ; ostiole inconspicuous ; 
nucleus subglobose, hyaline, filled with capillary paraphyses. Spores in 
elongate cylindrical ascus, colourless, fusiform, 7-8-septate, length -082 
mm., breadth ‘005 mm. 
On rocks. 
Fig. 22. Section of apothecium magnified 38 diameters. 
22. a and b, Ascus, spores, and paraphyses magnified 300 diameters. 
Verrucaria micromma, Mont. 
Thallus ochraceo-albus granuloso-colliculosus irregulariter plicato-rugu- 
losus plus minus rimosus effusus. Apothecia nigra integra globosa in 
verrucis thalli confluentibus penitus abdita, canaliculis ad sporas mittendas 
in verrucas thalli productis, ostiolis nigris minutissimis instructa, paraphy- 
sibus distinctis capillaribus. Sporae in ascis elongato-cylindraceis ellip- 
soideae 8-septatae dilute fuscae, longit. ‘016 mm., crassit. ‘006 mm. 
Ad cortices arborum. 
Thallus yellowish-white, granuloso-colliculose, irregularly plicato-rugu- 
lose, more or less rimose, effuse. Apothecia black, entire, globose, com- 
pletely hidden in the confluent thalline verrucae, the channels for emission 
of spores extending through the thalline verrucae, apertures very minute, 
black, paraphyses distinct, capillary. Spores in elongated cylindrical asci, 
ellipsoid, 3-septate, dilute brown, length -016 mm., crassit. 006 mm. 
On bark of trees. 
Fig. 22. (1), Section of apothecium magnified 14 diameters. 
22. (1), a, Spores » 800 » 
Verrucaria astata, Knight. 
Thallus tenuis fulvo-fuscus v. cinereo-fuscus opacus continuus indeter- 
minatus. 
Apothecia nigra prominula—madefacta sepe innata—hemispherica, in- 
tegra, paraphysibus capillaribus tenerrimis distinctis. Spore in aacis 
elongato-cylindraceis ovoidew fusce 8-septate, longit. -014 mm. ; crassit. 
°009 mm. 
Ad cortices arborum. 
Thallus thin, yellowish-brown or greyish-brown, dull, continuous inde- 
terminate. Apothecia black, somewhat prominent, often innate when 
moistened—hemispherical, entire, paraphyses capillary, very slender, dis- 
