REV. W. A. LEIGHTON ON THE LICHENS OF CEYLON. 171 
depresso-umbilicatis discretis vel subconfluentibus immersa, margine crasso tumido 
levigato, ostiolo mediocri acute marginato; spore 8, incolores, oblongo-elliptiez, 
8-9-cellulosæ, cellulis centralibus binucleolatis, iodo czrulescentes. 
Central Province. 
Facie externa generaliter simillima Thelotremati concreto. Perithecium dimidiatum, fuscum, basi defi- 
ciens. Paraphyses graciles, distinctæ, iodo non tinctæ. Thallus hydrate kalico ochracee tinctus. 
Plate XXXVI. fig. 11. 
98. A. PUNCTULATUM, Leight., n. sp.: thallus sordide olivaceus, verrucoso-rugulosus, 
rimulosus, opacus, effusus; apothecia in protuberantiis thallinis parvis confertis 
valde depressis immersa, margine tumido lævigato, ostiolo magno aperto tenui vel 
obsolete marginato ; spore 8, mediocres, incolores, oblongæ, 6-cellulosæ, iodo cærulee 
fuscatæ. 
Central Province. 
Paraphyses distincte, iodo non tinct. Species insignis, non aliis facile confundenda, 
Plate XXXVI. fig. 12. 
99. A. PACHYSTOMUM, Leight., n. sp.: thallus olivaceus, tenuis, minute verrucoso-granu- 
losus; apothecia in protuberantiis thallinis mediocribus sparsis depresso-hemisphe- 
ricis levigatis, ostiolo mediocri rotundato-perforato crasso atque valde prominente 
margine circumcincto ; spora 1, incolor, fusiformi-cylindracea, apicibus subattenuata, 
irregulariter et tenuiter subseptata, nebulosa, minutissimis murali-divisionibus, iodo 
cærulescens. 
Ad cortices, south of the island. 
— Perithecium dimidiatum, nigrum, basi deficiens, Paraphyses distinctæ, gracillimæ, longissimæ, iodo non 
tinctæ. 
Plate XXXVII. fig. 29. 
100. A. GRANULOSUM, Leight., n. sp. : thallus sordide olivaceus, vix crassus, minute ver- 
rucoso-granulosus ; apothecia in protuberantiis thallinis minutis sparsis numerosis- 
simis conico-hemisphæricis lævigatis, ostiolo minuto perforato margine tenuissimo 
circumcincto; spora 1, incolor, maxima, oblongo-cylindracea, 17-septata, iodo ceru- 
lescens. 
Ad cortices, south of the island. 
Perithecium dimidiatum, fuscum, basi deficiens. Paraphyses distinctæ, iodo non tinctæ. 
Plate XXXVII. fig. 30. 
101. A. cHoNESTOMUM, Leight., n. sp. : thallus fusco-olivaceus, tenuis, rugulosus, minute 
verrucoso-granulosus; apothecia in protuberantiis thallinis mediocribus sparsis 
conico-hemisph:ericis subdepressis levigatis ; ostiolum magnum, infundibuliforme, . 
apertum, fundo nudans perithecii ostiolum nigrum minutum tenuiter marginatum ; 
sporæ 8, incolores, elongato-oblongæ 5-cellulosæ, iodo cærulescentes, 
Ad cortices, south of the island. 
Perithecium dimidiatum, infra deficiens, subcarbonaceum. Paraphyses distinctæ, iodo non tinctæ, 
Plate XXXVII. fig. 31. 
VOL. XXVII. 2A 
