362 130 
livido- aut fusco-nigricans, tenuiter caesio-pruinosus aut nudus. Sporae 
fuscae, vulgo 7-septatae, long. 0,024—0,080, crass. 0,007—0,008 mm. 
Thallus linea nigricante angusta hypothallina limitatus. Hymenium 
circ. 0,120 mm. crassum, distincte oleosum, jodo vix reagens. Epithecium 
fusco-fuligineum. Paraphyses simplices. Sporae oblongae, apicibus ob- 
tusis aut rotundatis, halone nullo indutae, septis 6—8, loculis lenticulari- 
bus, plures in eodem asco. 
Ad corticem Arecae catechu prope Stationem navalem in insula Koh 
Chang (no. XVII). 
Area: In regioribus tropicis Americae, Oceaniae, Asiae, Africae crescit. 
54. Gr. (sect. Platygramma) Nylanderi Wain. Gr. subinusta Nyl., 
Fl. 1886, p. 103 (no. 7983), 326, Lich. Jap. (1890), p. 114; Hue, Lich. 
Exot. (1892), p. 240, 321. Lecanactis subinusta Nyl., Sert. Lich. Lab. 
(1891), p. 11. Haud Gr. subinusta Leight., Lich. Ceyl. (1870), p. 177 
(Mill. Arg., Lich. Beitr., Fl. 1882, no. 458). 
Thallus sat tenuis aut crassitudine mediocris, sat laevigatus aut leviter 
inaequalis, albidus, opacus, KHO primum lutescens, dein rubescens, jodo 
caerulescens, Apothecia bene approximata, elongata aut oblonga aut 
ellipsoidea aut stellata radiisque 3—7 aut furcata vel dichotome ramosa 
aut pro parte simplicia, recta aut curvata, thallo immersa. Perithecium 
fusco-fuligineum, dimidiatum, basi deficiens, laterale, tenue, late apertum. 
Discus apertus, vulgo planus, latit. 0,35—0,2 mm., nigricans aut fusco- 
nigricans, nudus, margine proprio nigro tenuissimo saepe cinctus. Sporae 
8:nae, distichae, fuscae, septis 5—3, long. 0,014—0,024, crass. 0,005— 
0,009 mm. ; 
Thallus passim linea hypothallina nigricante angusta limitatus aut 
hypothallus nullus distinctus, KHO passim bene reagens, passim haud 
reagens (in eodem thallo reactio variabilis). Hymenium circ. 0,100—0,090 
mm. crassum, guttulas oleosas continens, jodo leviter caerulescens aut 
non reagens. Epithecium fuscescens. Hypothecium albidum vel pallidum. 
Sporae oblongae aut ovoideo-oblongae, apicibus rotundatis aut altero apice 
angustiore obtusoque, halone nullo indutae, jodo violascentes vel caeruleo- 
fuscescentes, loculis lenticularibus. Thallo albido, bene evoluto (haud 
hypophloeode), apotheciis immersis et perithecio basi deficiente a Gr. sex- 
loculari Wain., Catal. Welw. Afr. Pl. II, P. If (1901), p. 439, differt. 
Ad corticem arboris prope Lem Ngob (no. XXXII, IX). 
Area: In regionibus tropicis Americae, Australiae, Asiae crescit. 
55. Gr. (sect. Platygramma) sericea (Eschw.) Wain., Catal. Welw. 
Afr. Pl. Il, P. Wf (1901), p. 439. Leiogramma sericeum Eschw. in Mart. 
Fl. Bras. (1833), p. 99. Glyphis sericea Nyl., Prodr. Nov.-Granat. Addit. 
(1867), p. 341. Phaeographis sericea Miill. Arg., Fl. 1888, p. 523. 
Thallus tenuis, albidus aut partim stramineo-glaucescens, KHO haud 
distincte reagens, sat laevigatus, leviter nitidus aut sat opacus. Pseudo- 
stromata haud distincta. Apothecia aggregata confluentiaque et vulgo 
radiato-ramosa radiisque vulgo numerosis, circ. 0,15—0,1 mm. latis, 
flexuosis, acervulos 3—0,8 mm. latos formantia, partim cireumscissa, 
