382 J. TRIAÎNÎA ET J.-E. PLANCHON. (w. \TLV\IHR ) 



dia). — Thallus albido-cinerascens pulveraceus tenuis subgranu- 

 latus, effusus ; apothecia (in verrucis thallinis oblongo-variis pro- 

 minulis, latit. circiter 1 millim., supra plano-convexulis) nigra 

 punctiformia, plurima in quavis verruca thallina, intus incoloria ; 

 (sporae 8 na5 -16 n * fusiformes 1-3-septatge, longit. mm ,012-16, cras- 

 sit. mm ,0020-0 mm ,0025). 



Magdalena, altit. 150metr.,ad corticem arborum (coll. Lindig. 2896). 



Obs. — In speciminibus iride sporse rite evolutœ haud obviae, sed 

 omnino ad hanc speciem pertinere videntur. 



2. Stigmatidium leptostictum Nyl. — Thallus macula pallida 

 vel pallido-flavida determinata indicatus; apothecia nigra vel fusco- 

 nigra plana depressa tenuia minuta (latit. circiter mm ,2), rotun- 

 data vel oblongo-rotundata, saepius sat conferta; sporae fusiformes 

 3-septatse, longit. mm , 025-30, crassit. mm ,0045, hypothecium 

 incolor. Gelatina hymenea iodo vinose rubens. 



Ad cortices arborum larves. Villeta, altit. 2000 metr. (coll. Lindig. 

 2606). 



FIN DU DIX-NEUVIÈME VOLUME. 



