326 J. TRIANA ET J.-E. PLANUION. (w. NYLANOER.) 



1 millim.), margine thallino albo crasso levi aut ruguloso; sporce 

 8 n3e incolores vel démuni fuscescentes, 4-loculares, longit. mm ,01 5- 

 20, crassit. mm ,008-0 mm ,010. 



Fusagasuga, altit. .1900 metr,, in sylva ad coriices arborum (coll. 

 Lindig. 2875). 



Obs. — Apothecia juniora margine thallino saape sphinctrine rugu- 

 loso. Est Thelotrema globulare Tuck. Observ. in Proceed. Amer. Acad. 

 1862, p. 410, etiam in insula Cuba vigens (G. Wright) (1). 



3. Thelotrema cavatum Ach., $yn., p. 116. — Sporae inco- 

 lores oblongae vel cylindraceo-oblongge, 5-10-loculares, longit. 

 mm ,017-34, crassit. O mm ,007-9 (iodo violaceo-cœrulesccntes). 



Bogota et Choacbi, altit. 2600 metr. (coll. ead. 896); Cune, altit. 

 1200 metr. 



Var. confertum Nyl., apotheciis confertis, inde thallo quasi 

 conferte verrucoso-granulato et rimoso, diffracto, sporis incolori- 

 bus G-8-locularïbus, longit. m,n ,20-27 ? crassit. mm ,007-0 mm , 010, 

 fere propria species thallo albido delerminato, facie fere ut in 

 Perlasaria leioplaca var. pycnocarpa minore; altit. 1200 melr. 

 (coll. Lindig. 772). 



Obs. — Animadvertalur, var. dolichosporum Nyl., Lich. exot., p. 2/»2, 

 L. Nov. Caled.y p. /j5, in Polynesia, Guyana et (ex hb. Tuckerm.) in 

 Cuba obveniens, sporas habere 12-20-loculares, longit. mm ,03S-90, 

 crassit. uim ,009-0 mm ,013. 



4. Thelotrema microporoides Nyl. — Thallus albidus subniti- 

 diusculus fere mediocris crassiliei aut sat fenuis, delerminatus, 



(1) Definiatur hic. comparationis caussa Thelotrema aciinotum Tuck. ibid., 

 p. il 1 : Thallus cinerascens, demum subleprosus, tenuis ; apothecia in recepta- 

 culis albis vel albidis depressiusculis (lat. tandem 1-2 millim.) immersa, disco 

 varie pertuso vel glyphideo-insculpto ; sporœ incolores minutas obîongo-fusifor- 

 mes 3-septatae, longit. circa mm ,01 4 , crassit. circa mm ,0045 (iodo leviter 

 cœrulescentes). — Supra muscos, truncos et filices, incrustans, in insula Cuba 

 (Wright). ... 



