PRODROMUS FLORjE NOVO-GRANATENS1S. 327 



rimosus, aut hinc inde rimoso-diffractus; apothecia conferfa 

 immersa extus prominentiis vix ullis indicata, ostiolis firmis minu- 

 tis (sgepe demum oblongis) , margine proprio nullo visibili; sporœ 

 incolores ellipsoideae 4-6 seriebus transversis loculos 1-3 offeren- 

 tibus, longil. inm ,020-24, crassir. mm , 010-11 (iodo cœrulee 

 tinctse). 



Ad corticem quercus. Bogota, altit. 2/jOO metr., in sylvis (coll. Lin- 

 dig. 2622). 



Obs. — Affine Thelotremati concreto Fée, sed laevius et prominen- 

 tiis apothecia recipientibus nullis distinctis. Spermogonia frequentia ssepe 

 in tuberculis thallinis pertusarioideis inclusa, ostiolis nigricantibus minu- 

 tissimis (seepe pluribus in quovis tuberculo thallino), conceptaculo inco- 

 lore; spermatia oblonga (longit. lïun ,00/i-5, crassit. mm ,002), sterigma- 

 tibus simpliciusculis vel ramosis. Apothecia hypotnecio incolore. — Magis 

 facie externa ad Th. microporum Mnt. accedit Th. microporellum 

 Nyl., cui thallus pallidus (vel macula pallida subnitidiuscula indica- 

 tus), apothecia minutissima, ostiolo punctiformi et prominentia thallodea 

 Ievi indicata, spora3 incolores oblongae Zi-loculares (long. mm , 01 6-21, 

 crassit mm , 007-9) iodo cœrulee tinctae; ad corticem in Cuba (ex hb. 

 Tuckerm., atque ex eodem herbario in Cuba etiam adestjT/t. micropo- 

 rumUnL, sporas habens 4-loculares long. mm , 011-12, crass. mm ,006). 



5. Thelotrema. l^evigans Nyl . — Thall us macula albida indica- 

 tus; apothecia nigra immersa (prominentia thallina vix ulla vel 

 obsoleta depressaque) ostiolo simplici minulb (latit. circa mm ,l) 

 margine sat tenui, funclo (epithecio) ssepe luberculum albieantem 

 ostendente, intus tota alba; sporae incolores ellipsoidese fere 

 murali- divisée (seriebus 6 transversis 2-3-loculares), longit. 

 ma, ,025-32, crassit. mm , 011-14 (iodo non linclse). 



Ad corticem quercus. Bogota, altit. 2600 metr. (coll. Lindig. 893). 



Obs. — Facie externa comparandum cum Thelotremate terebrato 

 Ach. Affine arctissime Th. myriocarpo Fée, quod praecipue distinguitur 

 sporis magis divisis majoribus (seriebus transversis loculorum numéro 

 10-1/i). — Th. glaucopallerts Nyl. si mile est Th. lœviganti Nyl., sed 

 thallo tenero glaucescente vel glauco-pallescente subnitidiusculo ; sporae 

 incolores submurali-divisae, longit. mm , 023-27, crassit. mra ,0ll-13 



