EXPOSITIO L1CHENUM NOV-ffl CALEDONLE. 49 



p. 236. — Ad cortices (coll. Vieill. n° 182S). Etiam ad Blackburniœ 

 pinnatœ corticem (Pancher), sporis long. muî , 018-21, crass. mm , 007-8. 



** L. meiosperma Nyl. — Facie omnino Lecideœ disciformis (thallo 

 albo vel albido depresso-areolalo vel areolato-rimoso, limitato), at sporis 

 parvis (longit. mui ,008-0" 1D1 ,0U , crassit. mm ,00Zi5-0 uim ,0055) sicut 

 in saxatili \e\myriocarpa. — Ad saxa in Insula Pinorum (Pancher) (1). 



70. L. stellulata Tayl. in Mack. FI. Hib. II, p. 118. — Sporae 

 longit. mm , 016-22, crassit. mm ,008-0 mm ,01I. — Supra saxa in Insula 

 Pinorum (Pancher). 



71. L. premnea Ach., Nyl. f.ich. Scandin. p. 2A1. — Ad cortices 

 (coll. Vieill. n° 1833), forma epithecio lamina tenui viso incolore, forsan 

 distinguenda. — Simul var. plurilocularis Nyl. (vel species fere dis- 

 tincta) , similis premneœ typicœ, sed sporis 6-12-locularibus (long. 

 mm ,030-3/i, crass. mw ,0065~0 mm ,0075), loculis minoribus (pariete 

 crassiore), paraphysibus minus regularibus (epithecio fusco-nigricante, 

 lamina tenui viso). Gelatina hymenea iodo dilute vinose rubens. Ad 

 corticem (Baloghiœ drupaceœ ?) legit. D. Pancher. Eandem e Peruvia 

 reportavitcel. Weddell (hue L.premtiea Nyl. L. exot. p. 225). 



TRIB. XI. — GRkPHIDEL 



72. Opegrapha confertula Nyl. — Thallus macula alba vel albida 

 indicatus, sat determinatus ; apothecia nigra conferta minuta, lineari- 

 oblonga vel ellipsoidea, prominula, rima epitheciali angusta; sporse 8 nae 

 incolores fusiformes 1-2- (forte etiam 3-) septatae, longit. mm ,0!Zi-16, 

 crassit. ram ,00/i-5, demum fuscescentes,.paraphyses haud distinctse. — 

 Ad cortices (coll. Vieill. n° 18/11). 



Accedit ad Opegrapham lentiginosam Lyell. Gelatina hymenea iodo vinose 

 lutescens. 



73. 0. atra Pers. f. simplicior, sporis oblongo-ovoideis arthonio- 

 morphis 3-seplatis (long, circa mm ,015, crass. mm ,006). Gelatina 

 hymenea iodo cœrulescens. — Ad corticem (Pleurostylidis decipientis ?) 

 legit D. Pancher. 



(J ) Sphaeria endococcoidea minuta adest in thallo ejus, sporis 8 i? fuscis 1-sep- 

 tatis (long. mm ,014-U, crass. min , 005-7). 



4 e série. Bot. T. XV. (Cahier nM.) 4 4 



