— 115 — 



apice clavato-vel capitato-incrassatae , capite fusco, KHO non reagente. 

 Sporae distichae, apicibus obtusis aul rotundatis, septa poro baud instructa. 

 Reactione thalli a B. polyspora fWilley) Wain., Etud. Lich. Bres. I, p. 171, 

 differt et affinis est B. diaciformi, at B. poh/spora affinis est B. myrio- 

 carpae et thallus ejus KHO non reagens. B. suhnexa (Nyl., Lich. Jap., 

 p. 77) liabitu ei subsimilis est et item septo membranaque sporarum modice 

 aequaliterque incrassatis instructa est (secund. specim. orig. no. 10651 in 

 herb. Nyl.). 



Ad corticein Arecae catechu prope Stalioncm navalem in insula Koh 

 Chang (no. XXI, XL, f. 4). 



27. B. stramineoatraWain., Lich. Nov. Rar. IV (Hedwigia 1907), p. 172. 



Thallus crustaceus, iiniformis, sat tenuis, stramineus aut stramineo- 

 glaucescens, KHO intensius flavescens, GaCUOo rubescens, verrucuioso- 

 inaequalis aut e verruculis contiguis subdispersisve constans, hypothallo 

 nigricante limitatus aut inter areolas thalli visibili. Apothecia parva. 

 0,3 — 0,25 mm. lata, adpressa^ disco piano aut rarius convexiusculo, nigro, 

 nudo, opaco, margine tenui, integro, nigro, persistente aut demum ex- 

 cluso. Hypothecium fuscum. Hymenium circ. 0,060 mm. crassum, baud 

 oleosum, jodo persistenter caerulescens. Epithecium fuscum. Sporae 

 16:nae, ellipsoideae vel oblongae, fuscae, membrana aequaliter modice 

 incrassata, 1-septatae, septo tenui, baud constrictae, long. 0,014 — 0,007, 

 crass. 0,005 — 0,006 mm. 



Apothecia KHO non reagentia. Excipulum fusco-fuligineum. Para- 

 physes graciles, arete cohaerentes, apice capilato- vel clavato-incrassatae. 

 Asci circ. 0,016 mm. crassi, apice membrana leviter incrassata. Sporae 

 distichae, apicibus rotundatis, poro haud instructae in septo. 



Ad corticem Arecae catechu prope Stationem navalem in insula Koh 

 Chang (no. X, XXI). 



Trib. C. 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). Ephehe 

 hyssoides Garring. in Trans. Bot. Soc. Edinb. VII (1862), p. 411, tab. 10 f. 2 

 (teste Gromb., Lich. Brit. I, 1894, p. 36). 



Thallus fruticulosus, altit. circ. 1 — 1,5 mm., teres aut subteres, iteratim 

 dichotome aut pares 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 longitudinaiibus, sal leptodermaticis, conglutinatis, formatus, 

 cellulis elongatis, homoeomericus, at demum in partibus crassioribus me- 

 dulla gonidiis destituta angusta irregularique instructus, etiam in superficie 

 thalli hyphis consimilibus, longitudinaiibus, conglutinatis, serie subsimplice 



8* 



