246 J. ffRÏANA ETT J.-E. PLANCIION. (vB . NYLANDER.) 



las apotheciiferas habet ostiolo nigricanea et sporas fusiformes 5-7-septa- 

 tas. V. belonospora arctius affinis est V. dolichophorœ, quse major 

 (verrucis apotheciiferis lati't. mm ,5-0 mm ,8) et sporis majoribus ; forte 

 vero illa non sit nisi varietas hujns minor. 



ft. Verrucaria catapasta Nyl. — Thallus albidus tennis opacus, 

 vix determinatus ; apothecia a thallo tecta vel albido-suffusa 

 mastoideo-prominula, perithecio'obducto intègre nigro (at nonnisi 

 trito supra nudiusculo vel nigricante), fere mediocria (latit. mm ,5), 

 conferta; sporse incolores oblongae vel fusiformi - oblongae 

 3-septatœ, longit. mm , 021-24, crassit. mm ,007-9, paraphyses 

 graciles. 



Ad corticem quercus. Bogota, Tequendama, altit. 2600 metr. (coll. 

 Lindig. 2869). 



Obs. — Affînis videtur Verrucariœ dilutœ Fée (V. Cinchonae Nyl., 

 Pyrenoc, p. 57, sed non Âcti.), at apotheciis thallino-suffusis, quasi 

 albido-farinosis. Gelatina hymenea iodo haud tincta. Epithecium puncti- 

 forme. Potissime hœc species locum teneat in stirpe Verrucariœ chloro- 

 ticœ (1). 



b. — Stirps Pyrenastrorum. 



5. Verrucaria pyrenuloides ' Mnt. , Nyl., Pyrenoc, p. l\h 

 (Pyrenastrum). 



Ad cortices arborum. Villeta, altit. 2000 metr. (coll. Lindig. 716, 

 717); Fusagasuga, altit. 2100 metr. (coll. ead. 762, minor); Bogota, 

 altit. 2500 metr. (721).- 



(1) Memoretur hic nova species ex eadem stirpe, Verrucaria heteropsis Nyl. 

 Af finis V. olwaceœ Borr\ et lectissimœ (Fr.) ; thallus cinereus vel griseus tenuissi- 

 musdeterminatus ; apothecia nigricantia vel fusca (pro parte interdum rufo-fusce- 

 scentia) mediocria, poritbecioinfra incolore. S] orœ7-9-septat33 fusiformes, longit. 

 mm , 032-39, crassit. mm , 007-8. Ad cortices arborum prope Vera Cruz in 

 Mexico (Jardin). — Cum V. ohva'cea (quae parum distinguitur a V. chlorotica 

 Ach. sporis Iongioribus 3-7-septalis, longit. miû , 027-35, crassit. mm ,0035- 

 mm ,0045) eomparetur V. quintaria Nyl., ditîerens praecipue perithecio intègre 

 nigro et sporis 5-septatis longit, mm , 025-34, crassit- mm , 005-6; obvia in 

 Jauonia ad cortices, ex hb. Tuckerman. 





