115 347 
apice clavato-vel capitato-incrassatae, capite fusco, KHO non reagente. 
Sporae distichae, apicibus obtusis aut rotundatis, septa poro haud instructa. 
Reactione thalli a B. polyspora (Willey) Wain., Etud. Lich. Brés. I, p. 171, 
differt et affinis est B. disciformi, at B. polyspora affinis est B. myrio- 
carpae et thallus ejus KHO non reagens. B. subnexa (Nyl., Lich. Jap., 
p. 77) habitu ei subsimilis est et item septo membranaque sporarum modice 
aequaliterque incrassatis instructa est (secund. specim. orig. no. 10651 in 
herb. Nyl.). 
Ad corticem Arecae catechu. prope Stationem navalem in insula Koh 
Chang (no. XXI, XL, f. 4). 
27. 5. stramineoatra Wain., Lich. Nov. Rar. IV (Hedwigia 1907), p. 172. 
_ Thallus crustaceus, uniformis, sat tenuis, stramineus aut stramineo- 
glaucescens, KHO intensius flavescens, GaCl,O, rubescens, verrucuioso- 
maequalis aut e verruculis contiguis subdispersisve constans, hypothallo 
nigricante limitatus aut inter areolas thalli visibili. Apothecia parva. 
0,3—0,25 mm. lata, adpressa, disco plano aut rarius convexiusculo, nigro, 
nudo, opaco, margine tenui, integro, nigro, persistente aut demum ex- 
cluso. Hypothecium fuscum. Hymenium circ. 0,060 mm. crassum, haud 
oleosum, jodo persistenter caerulescens. Epithecium fuscum. Sporae 
16: nae, ellipsoideae vel oblongae, fuscae, membrana aequaliter modice 
incrassata, 1-septatae, septo tenui, haud constrictae, long. 0,014—0,007, 
crass. 0,005—0,006 mm. 
Apothecia KHO non reagentia. Excipulum fusco-fuligineum. Para- 
physes graciles, arcte cohaerentes, apice capitato- vel clavato-incrassatae. 
Asci circ. 0,016 mm. crassi, apice membrana leviter incrassata. Sporae 
distichae, apicibys rotundatis, poro haud instructae in septo. 
Ad corticem Arecae catechu prope Stationem navalem in insula Koh 
Chang (no. X, XXI). 
Trib. 6. Collemeae. 
1. Leptogidium Nyl. 
28. L. Mooreii (Hepp) Nyl., Lich. Jap. (1890), p. 14, Lich. Pyr. Or. 
Obs. Nov. (1891), p. 72; Hue, Lich. Exot. (1892), p. 309, Lich. Extr.-Eur. 
(1901), p. 2. Leptogium Hepp in Journ. of Bot. (1865), p. 287; Leight., 
Lich. Great Brit., ed. 2 (1872), p. 27 (ed. 3, 1879, p. 13). Ephebe 
byssoides Carring. in Trans. Bot. Soc. Edinb. VII (1862), p. 411, tab. 10 f. 2 
(teste Cromb., Lich. Brit. I, 1894, p. 36). 
Thallus fruticulosus, altit. circ. 1—1,5 mm., teres aut subteres, iteratim 
dichotome aut parce trichotome ramosus, ramis (praesertim superioribus) 
crebris, circ. 0,100 mm. crassus, ramulis superioribus circ. 0,030 —0,040 
(— 0,050) mm. crassis, papillis apicalibus circ. 0,020—-0,025 mm. crassis, 
caesio-cinerascens, partibus crassioribus cinereo-pallescentibus, ex hyphis 
irregulariter Jongitudinalibus, sat leptodermaticis, conglutinatis, formatus, 
cellulis elongatis, homoeomericus, at demum in partibus crassioribus me- 
dulla gonidiis destituta angusta irregularique instructus, etiam in superficie 
thalli hyphis consimilibus, longitudinalibus, conglutinatis, serie subsimplice 
