EXOTIC LICHENS FROM EASTERN ASIA. 59 
thecia (presertim humida) fuscescentia ad stirpem A. varie 
(atrate, Feé) pertinens et notis allatis distinguenda. 
On old trees by the sea. Pulo Undam, Malacca. 
60. ARTHONIA COMPLANATULA, WVyl., sp. n. Thallus albus, sub- 
farinaceus tenuissimus; apothecia nigra plana rotundata vel 
suboblonga (latit. 0'4-0°6 millim. ), immarginata, intus obscura ; 
spore Snæ incolores oviformi-oblongæ 3-septatæ, longit. 0'011- 
0'012 millim., crassit. 0'004 millim. ; epithecium fusculum ; 
hypothecium infra leviter fuscescens. Iodo gelatina hymenialis 
luteo-fulvescens.—Facie externa fere Platygraphe periclee. 
Prope Arthoniam complanatam, Fée, disponenda, a qua differt 
mox sporis minoribus ete. 
On the bark of Angsana trees. Tanjong road, Malacca. 
61. GnvPHIS HETEROCLITA, Mont. On Palms. Allagajah, near 
Malacca. 
62. GLYPHIS LABYRINTHICA, Ach. On Betel-Palms. Singapore. 
63. GuvPnurs crcATRICOSA, Ach. On Cocoa-Palms. Tanga Battu, 
Malacca ; Singapore. 
64. GiyPHis OIRCUMPLEXA, Nyl., sp. n. Thallus vix ullus visi- 
bilis ; apothecia nigra in stromatibus albidis depressis contorta, 
conferte serpentino-intricata, epithecio angustato-subpruinoso; 
spore 8n: fusce oblongæ seriebus 6-8 transversis 1-2-locula- 
ribus, longit. 0°023-0°027 millim., crassit. 0009—0-010 millim. 
(iodo non tinetz).—Species bene ab aliis jam sporis in loculos 
2-3 divisis distinguenda. 
On Betel-Palms. Singapore. 
65. CHIODECTON SUBSPILERALE, Nyl., sp. n. Thallus glaucescens 
tenuis opacus subleprosus ; apothecia in stromatibus albis pul- 
vinatis rotundatis aut oblongis (latit. 05-08 millim.), extus 
punctis nigris confertis indicata; spore 8næ incolores fusi- 
formes 3—5-septatz, longit. 0:016-0:017 millim., crassit. 0*0035 
millim. Todo gelatina hymenialis vinose fulvo-rubens. 
On Horse-Mangoe trees. Tanga Battu, Malacca. 
Tribe PyRENOCARPEI. 
66. VERRUCARIA MASTOIDEA (dch.). On thin bark. Pulo 
Undam, near Malacca. 
67. VERRUCARIA EPAPILLATA, Nyl. On trunks of trees. Alla- 
gajah, Malacca. 
r2 
