1»ES LICHENS. 199 



calcareas prope Beaucaire, niixlim cum Pannaria tripto- 

 phylla var. cmsia (Duf., Lecid. nigrocaesia Nyl. G. m. Pyr. 

 p. 11). (1) 



2. Tracbylia lecidelna Nyl. L. P. 18. — Thallu s 

 cinereo-glaucescens granulate- verrucosus, apotliecia 

 lecideiformia tola alra planiuscula, inlus strato liypolhecii 

 supero tenui albican le; sporse nigricantes uniseptatse, 

 medio ssepissime paullo constrictse, long. 0,009-0,013 mm., 

 crass. 0,005-7 mm. — Locis subumbrosis ad saxa sylvae 

 Fontainebleau cumLecan. haematomma etc. 



3. TracbyHia subsiisiilis, n. sp. — Similis Fr. 

 lecideinm, sedapothecia intus vix albicantia ulla strati- 

 formi, potius totis atris, sporis obscurioribus raajoribus, 

 long. 0,011-20 mm., crass. 0,007-11 mm. Ad saxa ibidem 

 (Franchard), ct forte non specie dilTerant. 



4. Lecanopa coustauis, n. sp. — Thallus cinereo- 

 virescens granulato-verrucosus, vel parous tenuis laevior, 

 determinatus, apo thecia obscure fusca, margine elevato 

 thallino, obsolete crenulato cincla, intus albida; s porae 20 

 vel plures in tliecis, parvse ellipsoidea? simplices, paraphyses 

 discretae. —Ad betulas juniperosque silvae Fontainebleau. 



5. Lecidea xanthclla, n. sp.— Tballus sulphureo- 

 virescens leproso-granulosus, difTractus, effusus, apo thecia 



(1) Verrucaria Flolowiana Hepp. Flecht. n. 92 subsimilis est Pan- 

 naria, ex afflnitate P. triptophyllw. Illi prtecipue notandee paraphy- 

 ses graciles et gelatina hymenea iodo non colorata, protoplasma 

 modo thecarum fulvo-rubens liypolheciumque paullo coerulescens. 

 Synonymia sola ducti 1. c. perperam allata olim, (in Bull. Soc. Bot. 

 fr. dec. 1354),erronee huic identicam indicavimus Verr. leclissimam 

 (Fr. ex sp. typ.) Nyl. in Bot. Notts 1853 p. 181. — Animadvertatur 

 quoque, nomen Calkium disseminatum Fr. ut purius prreferendum 

 esse noniini supra allato « Calic. adspersum Pers. », et quo dislin- 

 gimnv BialorapancvolaVi-. a Lecidea homonyms, \\h L. panwolaris 

 dici possit. 



