180 REV. W. A. LEIGHTON ON THE LICHENS OF CEYLON. 
sporæ 8, incolores, tandem fuscæ, ellipsoideæ, parvæ, 4-cellulosæ, cellulis aliquando 
binucleolatis, iodo non tincte. 
Ad saxa in rivis. South of the island. 
Paraphyses distinctee, iodo non tinctæ. 
Plate XXXVII. fig. 35. 
159. P. MELANOSTALAZANS, Leight., n. sp. : thallus lutescens vel olivaceus, crassiusculus, 
leevis, effusus, subnitidus ; apothecia immersa, valde dendritico-ramosa, gracilia, apici- 
bus magnopere obtusis; epithecium nigrum, tenuiter pruinosum, planum, apertum, 
thallo sursum elevato undulatim circumcinctum ; hypothecium crassum, nigrum, 
carbonaceum ; spore 8, incolores, elongato-oblongæ, 8-cellulosæ, iodo luteo-fusce- 
scentes. 
Ad cortices. South of the island. 
Paraphyses confertee, granulis interspersis, iodo luteo-fuscescentes. 
Plate XXXVII. fig. 36. 
160. P.sTICTOIDES, Leight., n. sp. : thallus lutescens, tenuis, lævis aut minute granulosus, 
subnitidus ; apothecia erumpentia, rotundo-difformia vel radiato-confluentia ; epithe- 
cium planum, dilatatum, plumbeo-pruinosum, innatum, margine prominente crasso 
niveo pulverulento circumcinctum ; spore 8, incolores, parvæ, oblongæ, 3-septate, 
iodo fuscescentes ; hypothecium fuscum; paraphyses distinctæ, iodo lutescentes. 
Ad cortices. South of the island. 
Facie externa assimilans fungo vocato Sfictis radiata. 
Plate XXXVII. fig. 37. 
161. ARTHONIA CINNABARINA, Wallr. 
Paradeniya. 
162. A. SUBVENOSA, Leight., n. sp.: thallus albidus vel albus, tenuis, subleevigatus, vix 
farinosus, linea nigra limitatus, circa apothecia turgescens; apothecia fusca, in pro- 
minentiis depressis thallinis immersa, punctiformia, in seriebus linearibus mediocri- 
bus simplicibus vel divaricato-ramosis vel versiformibus consociata ; spore 8, max- 
imæ, incolores, obovatze, murali-divisæ vel cellulosæ, iodo cærulee virescentes ; gela- 
tina hymenea iodo vinose rubens. 
Ceylon. 
Plate XXXVI. fig. 26. 
163. A. PELLEA, Leight., n. sp.: thallus sordide fulvescens, opacus, tenuis, lævigatus, 
rimulosus, margine fusco cinctus ; apothecia fusco-nigra, rotundo-difformia, plana, 
sparsa; sporz 8, maximæ, fuscæ, lineari-obovate, 7-medio-septatæ ( aliquando T 
tatæ), iodo vinose rubescentes. | 
Ceylon. 
Plate XXXVI. fig. 27. 
