EXP0S1T10 UCIIENUM NO\/E CALEDONLE. /|7 



sporis fusiformibus tenuiter 1-seplatis (long-. m,n ,009-0 mm ,013, crass. 

 circiter 0"" n ,0035). Gelatina hymenea iodo dilute vinose rubescens. — 

 Ad corlicem (iïaloghiœ drupaccœ ?) legit cl. Pancher. 



61. L. parvifolia var. fibrillifera Nyl. — Tballus cinereo-glau- 

 cescens squamulosus, squamulis sat tenuibus lobatulis vel incisis aut 

 fibrilloso-isidiomorphis (fibrillis lereliusculis midis teretibus plerumque 

 adscendenlibus vel suberectis); apothecia pallido-rufa vel testaceo- 

 rufa, fere mediocria, demum convexiuscula, margine baud distincto; 

 sporœ 8 na5 oblongse simplices, longit. 0'»*«, 010-11, crassit. ,nm ,0035- 

 mn ',00A, parapbyses non bene discrets. Gelatina hymenea iodo cœru- 

 lescens. — Ad cortices (coll. Vieill. n° 1790). 



62. lu versicolor Fée. — Coll. Vieill. n° 1869. 



63. L.margtniflexa Tayl. — Coll. Vieill. n° 1831 bis . 



64. L. rifera Nyl. — Similis externe leucoxanthœ, quœ proxima, sed 

 apothecia testaceo-fulva epithecio fuscescente, thecis bisporis (sporis 

 ellipsoideis transversim pluries divisis vel fere murali-loculosis, long. 

 mra , 03*2-36, crass. mtn , 016-18). Gelatina hymenea iodo intense cœru- 

 lescens (prsesertim theca3). — Ad cortkem(Baloghiœ drupaceœ P) trunci 

 missi a D. Pancher. 



Similis fere in Tnsula Mauritii et Guyana obvenit. Vix sit nisi varietas dispora 

 Lecideœ leucoxanthœ, ut quidem in Enum, Lich. p. 123 indicavi. 



65. L. griseo-pallens Nyl. — Thallus griseus vel sordide cinereus, 

 sat tenuis, indeterminatus, granuloso-insequalis, rimulosus • apothecia 

 pallida vel carneo-pallescentia, fere mediocria vel minora, plana vel pla- 

 niuscula, margine pallidiorenon prominulo vel demum evanescente, intus 

 tola albida ; sporae 8 nse ellipsoideae simplices, long. mn , 009-011, crass. 

 mm , 005-6, parapbyses haud benediscretae. Gelatina hymenea iodo dilute 

 cœrulescens. — Ad cortices (coll. Vieill. n° 1833). 



Affinis Lecideœ (lexuosœ, apotheciis pallidis regularibus margine haud distincto 

 neque flexuoso. Forte tamen haud specie sit distincta, nec nisi varietas valde 

 notabilis. 



66. L. griseo-fuscescens Nyl. — Th al 1 u s griseus vel terreus effu- 

 sus, sat tenuis, leprosus ; apothecia fusca vel fusco-rufescentia (vel pro 

 parte sordide pallidiora) mediocria (latit. circa 1 ad 1,5 millim.), demum 



