REV. W. A. LEIGHTON ON THE LICHENS OF CEYLON. 177 
ramose vel tantum apicibus breviter furcatæ, flexuosæ, undulatæ ; epithecium clau- 
sum, rimiforme; perithecium integrum, nigrum carbonaceo-fuscum ; spore 8, inco- 
lores, elongato-oblongæ, 6-cellulosæ, iodo cærulescentes. 
Dolosbagey (subtropical) and south of the island (tropical). 
Paraphyses distinctz, confertæ, iodo non tinctæ vel tantum lutescentes. Ad stirpem frumentarie per- 
tinens. 
Plate XXXVII. fig. 32. 
145. G. SIMULANS, Leight., n. sp.: thallus albido-glaucescens, levis, tenuis, subnitidus ; 
lirelle in massis mediocribus sparsis conferte, radiate, gyrate vel contortæ, subin- 
natz, breviter furcato-ramosæ, margine thallino albido erecto tenui circumcincte ; 
epithecium apertum, planum, rufum ; perithecium nullum; sporæ 8, incolores, parvæ, 
oblongæ, 5-cellulosæ, cellulis 2-3-nucleolatis, fere murali-cellulosæ, iodo cærule- 
scentes. 
Kandy. 
Paraphyses distinctæ, iodo non tinctæ. Forma externa assimilans G. dividenti, Nyl., tamen notis allatis 
dignota. Ad stirpem Medusularum pertinens. 
Plate XXXVII. fig. 33. 
146. G. SUBINUSTA, Leight., n. sp.: thallus sordide lutescens, tenuis, leevis, subnitidus ; 
lirellæ immersæ, late, nigro, difformi-stellato-conglomeratæ, margine thallino tenui 
acuto erecto circumcincte; epithecium nigrum opacum, latum, apertum, planum ; 
perithecium fusco-nigrum, lateribus tenue, basi erassum ; sporæ 8, incolores vel vix 
fuscescentes aut tandem fuscæ, cylindraceæ, apice uno attenuate, transversim 11- 
oblongo-cellulosæ, iodo non tincta. | 
Peradeniya. 
Paraphyses confertæ, vix distincte, granulis numerosissimis interspersis, iodo non tinctæ. Facie externa 
valde simillima G. inuste, Ach., tamen perithecio diverso atque sporis majoribus dignota. Ad stir- 
pem dendritice pertinens. 
Plate XXXVII. fig. 34. 
147. G. SUBDIVIDENs, Leight., n. sp.: thallus albido-glaucescens aut lactescens, læviga- 
tus, subnitidus ; lirellæ fuscæ, flexuosæ, divaricato-ramosæ, innatæ, margine thallino 
albido tumido erecto circumcincte ; epithecio concavo, aperto, fusco; hypothecium 
nigro-fuscum, integrum ; spore 8, pallide fuscescentes, elongato-oblongæ, 6-cellu- 
losæ, iodo non tinctæ. 
Central Province. 
Ad stirpem Medusularum pertinens. Paraphyses distinctæ, iodo non tinctæ. 
Plate XXX VI. fig. 7. 
148. Œ. FISSO-FURCATA, Leight., n. sp. : thallus albido-glaucescens vel lactescens, leviga- 
tus, subnitidus; lirellæ fissurino-erumpentes, angustatee, e centro longe radiantes, 
ramis valde elongatis undulatis flexuosis bi- vel trifurcato-divisis, apice acutissimo 
plerumque furcato, margine thallino turgescente, margine proprio tenui erecto; 
