EXOTIC LICHENS FROM EASTERN ASIA. 57 
England, has been published by Tuckerman, the following may 
here be given :— 
Thallus cinerascens continuus subopacus; apothecia nigra 
plana marginata, epithecio flavido-suffuso, intus obscura ; spore 
Snæ incolores fusiformes 3-septate, longit. 0014-0016 millim., 
crassit. 00085 millim. ; paraphyses mediocres ; epithecium lutes- 
cens; hypothecium fusco-nigricans. Iodo gelatina hymenialis 
vinose fulvo-rubescens.— Species est e stirpe Lecidee premnec 
mox distinguenda sporis parvis. Thalamium lamina tenui sub- 
lutescens. (JF. Nyl.) 
45. LECIDEA TRIPHRAGMIA, Nyl. On old posts. Malacca. 
46. GYROSTOMUM SCYPHULIFERUM, Ach.(?) On Pterocarpus 
indicus. Tanjong Kling, Malacca. 
Unfortunately there are no spores in any of the specimens, 
though they seem referable to this or some allied species of 
the genus. 
Tribe GnAPHIDEI. 
47. GRAPHIS SCRIPTA, dch. On bark of trees. Singapore. 
Atypical. 
Var. SERPENTINA, Ach. On Cocoa-nut and Palms. Singapore. 
48. Grapuis sopuistica, Nyl. On Calophyllum Inophyllum. 
Tanjong, Malacca. 
49. GnAPHIS HETEROCARPA, Fée. On Palm-trees, Singapore. 
On Areca Catechu, Kassang, Malacca. 
90. GnaPHIS ADTENUANS, Nyl., sp. un. Thallus albus tenuis rugu- 
losus; apothecia nigra obtecta linearia longiuscula flexuosa 
(longit. 1-3 millim.), tenuia (latit. 0°25 millim.), epithecio 
rimiformi; spore Sne incolores murali-divise, longit. 0°075- 
0°100 millim., crassit. 0020—0:025 millim. (iodo cerulescentes) ; 
hypothecium incolor.—Forsan specie non differt a G. hetero- 
carpa apotheciis angustatis obtectis, sporis nonnihil minoribus. 
Thallus K vix reagens. Sed adest in Fidshi insulis species 
affinis, cui thallus K fere ferrugineo-cinnabarine tingitur et 
spore sunt nonnihil crassiores (dici possit Graphis heterocar- 
poides, Nyl.) | Accedit G. subserpentina, Nyl., Ceyloniensis. 
On trees. St. John's Hill, Malacca. 
Var. DETECTA, Nyl. Differt apotheciis denudatis, non obtectis. 
On Pterocarpus indicus. Bukit China, Malacca. 
51. Grapnis ÅFZELII, Ach. On bark of trees. Singapore. 
LINN. JOURN.—BOTANY, VOL. XX. F 
