360 128 
51. Gr. (sect. Thalloloma) concolor Nyl., Enum. Gén. Lich. (1857), 
p. 129, Lich. Ceyl. (1900), p. 22 (hb. Nyl., no. 6814). Ustalia Jung- 
huhnii Mont. et V. d. Bosch, Lich. Jav. (1856), p. 51 (no. 6813 et 6854 
in herb. Nyl.); Mont., Syllog. Pl. Crypt. (1856), p. 352. Graphina 
Boschiana Mill. Arg., Lich. Beitr. (Fl. 1882), no. 470 (Lich. Exot. IIl, 
Hedwigia 1895, no. 138). Haud Gr. Junghuhnii Mont. et V. d. Bosch, 
Lich. Jav. (1856), p. 45; Mont. Syllog. (1856), p. 347 (secund. Mill. 
Arg., Lich. Beitr., no. 473). 
Thallus tenuis aut sat tenuis, sat laevigatus, continuus aut rimulosus, 
albidus, opacus, KHO circa apothecia leviter flavescens, ceterum haud 
reagens. Apothecia vulgo plus minusve aggregata, vulgo elongata, partim 
ellipsoidea, long. circ. 7—0,5, latit. 0,5 —0,2 mm., radiato-vel dendroideo- 
ramosa vel varie ramosa aut subsimplicia, recta aut leviter flexuosa, thallo 
immersa. Perithecium tenue, albidum, labiis apertis. Discus apertus, 
planus, latit. 0,5—-0,2 mm., lividus vel caesio-cinerascens, pruinosus, mar- 
gine thallode saepe demum leviter elevato aut thallum haud superante, 
fissura circumscisso, albido cinctus. Sporae solitariae, decolores, murales, 
long. circ. 0,090—0,094, crass. 0,040—0,044 mm. 
Thallus linea hypothallina angusta nigricante limitatus. Discus thallo 
leviter immersus aut vulgo thallum aequans. Hymenium circ. 0,120 mm. 
crassum, haud oleosum, jodo leviter caerulescens. Epithecium olivaceum 
aut fuscescens. Sporae ellipsoideae aut oblongae, apicibus rotundatis, 
cellulis numerosissimis, jodo caerulev-violascentes, halone fere nullo indutae. 
Ad corticem Arecae catechu prope Stationem navalem Lem Dan in 
insula Koh Chang (no. X, XVII, XXJ, XL, fig. 12). 
Area: In insulis tropicis Asiae lecta. 
52. Gr. (sect. Thalloloma) fissurinoidea (Nyl.) Wain. Gr. reniformis 
var. fisswrinoidea Nyl., Enum. Gén. Lich. (1857), p. 129, Lich. Exot. 
(Ann. Sc. Nat., 4 sér., Bot. XI, 1859), p. 228 (no. 6940 in herb. Nyl.). 
Thallus crassus aut sat crassus (circ. 1—0,2 mm.), sat laevigatus, 
albidus aut partim glaucescens, opacus, KHO neque superne, nec intus 
reagens aut dilutissime rubescens, jodo superne et intus intense caerule- 
scens, fragilis, inferne strato hypothallino tenui nigro crebre contexto 
totus obductus, demum substrato saltem passim laxe adhaerens. Apo- 
thecia saepe aggregata aut approximata, vulgo elongata, pro parte ellip- 
soidea, long. cire. 6B—0,5 mm., lat. vulgo 0,5—0,25 mm. [aut demum 
etiam latiora in Wright, Graph. Cub. no. 26], parce ramosa aut bene 
dendroideo-ramosa aut simplicia, plus minusve flexuosa aut recta, thallo 
immersa et demum plus minusve emergentia. Perithecium albidum. 
Discus apertus, planus aut primum concavus, latit. vulgo 0,s—0,1 mm., 
caesio-pallidus, pruinosus, margine thallode vulgo demum leviter elevato 
[aut rarius demum bene elevato: in Wright, Graph. Cub. no. 26], discum 
superante aut aequante, tenui [aut raro demum crasso: in Wright, Graph. 
Cub. no. 26], albo aut thallo concolore cinctus. Sporae solitariae, de- 
colores, murales, long. circ. 0,076—0,140, crass. 0,040—0,080 mm. 
Apothecia KHO rubescentia, basi sensim dilatata aut abrupta; labia 
hiantia, amphithecio thallino tenui obducta. Hymenium circ. 0,200 mm. 
