117 349 
rotundatis, membranis modice incrassatis. Perithecium basale membranis 
bene incrassatis, luminibus cellularum elongatis. Hymenium jodo persi- 
stenter caerulescens. Epithecium pallidum. Etiam in herb. Nyl. (no. 42369) 
adest specimen hujus speciei, in insulis Nicobar a Didrichsen lectum, 
nomine C. byrsini. In Ph. byrsino Mass. thallus superne et inferne ob- 
ductus strato ex hyphis formato crebre contextis, partim conglutinatis. 
crassioribus, quam in strato medullari, cellulis brevibus, rhizinis instructus 
ex hyphis aggregatis constantibus. 
Ad truncos arborum in silva littorali in insula Koh Kahdat (no. XXH, V). 
Area: In insulis tropicis Asiae crescit. 
4. Lecidopyrenopsis Wain. 
31. L. corticola Wain., Lich. Nov. Rar. IV (Hedwigia 1907), p. 172. 
Thallus crustaceus, circ. 1—0,5 mm. crassus, effusus, areolatus, 
areolis circ. 2,5—1 mm. latis, difformibus, angulosis, contiguis, planis, 
opacis, fusco-fuligineis, e granulis subfruticulosis connatis constantibus. 
Apothecia biatorina, 0,25—0,15 mm. lata, disco plano, fusco, opaco, mar- 
gine tenui, pallido aut pallido-fuscescente, integro. Hymenium cire. 0,060 mm. 
crassum, jodo persistenter caerulescens. Epithecium fere decoloratum. 
Asci clavati. Sporae 8: nae, distichae, decolores, simplices, ellipsoideae 
aut oblongae, long. 0,013—0,008, crass. 0,005—-0,004 mm. 
Genus Lecidopyrenopsis Wain. apotheciis lecideinis (biatorinis) a 
Pyrenopside differt. Thallus sub microscopio rubescens, KHO violascens. 
Gonidia gloeocapsoidea, similia iis Pyrenopsidis. — Perithecium in hac 
specie parenchymaticum, ex cellulis 0,008—0,004 mm. latis, sat lepto- 
dermaticis formatum. Paraphyses graciles (0,001 mm. crassae), partim 
apice paulum incrassatae, arcte cohaerentes, hydrate kalico separatae, 
partim simplices, saepe increbre ramosae, parcissime ramoso-connexae, 
maxima parte haud connexae. Asci clavati, membrana tenui. Habitu 
haec species *Lecideam humosam (Ehrh.) in memoriam revocat. 
Ad truncos Palmarum (Cocos nucifera) prope Stationem navalem in 
Koh Chang (no. XXVIII). 
Trib. 7. Lecideae. 
1. Lecidea (Ach.) Wain. 
32.1. (Catillaria) testaceolivens Wain., Lich. Nov. Kar. IV (Hedwigia 
1907), p. 173. 
Thallus crustaceus, tenuis, e granulis minutissimis dispersis aut par- 
cius contiguis albis albidisve constans, KHO non reagens, hypothallo in- 
distincto. Gonidia cystococcacea. Apothecia adpressa, 0,5—0,3 mm. lata, 
disco convexo aut convexiusculo, livido- aut cinereo-testaceo, nudo, mar- 
gine tenui, pallidiore, mox excluso. Hypothecium pallido-rufescens. Hy- 
menium totum electrino-pallidum, jodo caerulescens, dein sordide vinose 
rubens. Sporae 8: nae, decolores, bacillari-oblongae, rectae, apicibus ro- 
tundatis aut obtusis, 1-septatae aut pro parte simplices, long. 0,015—0,011, 
crass. 0,002 mm. 
Apothecia interdum prolificationibus ex apotheciis vetustis enata, 
