— 130 — 



livido- aut fusco-nigricans, tenuiter caesio-pruinosus aut nudus. Sporae 

 fuscae, vulgo 7-septatae, long. 0,024 — 0,030, crass, 0,007—0,008 mm. 



Thallus linea nigricante angusta hypothallina limitatus. Hymenium 

 circ. 0,120 mm. crassum, distincte oleosum, jodo vix reagens. Epilhecium 

 fusco-fuligineum. Paraphyses simplices. Sporae oblongae, apicibus ob- 

 tusis aut rotundatis, halone nullo indutae, seplis 6 — 8, loculis lenticulari- 

 bus, plures in eodem asco. 



Ad corticem Arecae catechu prope Stationem navalem in insula Koh 

 Chang (no. XVII). 



Area: In regionibus tropicis Americae, Oceaniae, Asiae, Africae crescit. 



54. Gr. (sect. Platygramma) Nylanderi Wain. Gr. suhinusta Nyl., 

 Fl. 1886, p. 103 (no. 7983), 326, Lich. Jap. (1890), p. 114; Hue, Lich. 

 Exot. (1892), p. 240, 321. Lecanactis suhinusta Nyl., Sert. Lich. Lab. 

 (1891), p. 11. Haud Gr. suhinusta Leight., Lich. Ceyl. (1870), p. 177 

 (Mull. 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., Gatal. Welw. Afr. PI. II, P. II (1901), p. 439, differt. 



Ad corticem arboris prope Lem Ngob (no. XXXII, IX). 



Area: In regionibus tropicis Americae, Australiae, Asiae crescit. 



55. (ir. (sect. I'latygramma) sericea (Eschw.) Wain., Catal. Welw, 

 Afr. PI. II, P. II (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 nilidus 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 circumscissa , 



