20 
— 10. Tr. annulare Mont.; var, delrusum Mont. (Pyrenula annu- 
laris F&e); var. subdepressum N yl. — 11. Tr. sordidescens F&e. 
** Stirps Tr. eluteriae. Peritheeia in quovis stromate plura. 
Sporae®— 10 loculares, — 12. Tr. plaiystomum Mont. — 13. Tr. 
eluteriae Spreng. 1802 (Tr. Sprengelii Ach. 1810; Asthrothelium 
varium Eschw.); var. niyricans Trev. (Tr. Sprengelii var. nigri- 
cons F&e); var. virens Trev. (Tr. virens Tuckerm.). — 14. Tr. 
anacardü Fee. — 15. Tr. inaequale Fee. — 16. Tr. areolatum 
-Mont. 
**%* Stirps Tr. Montagnei. Perithecia in quoris stromate s0- 
litaria, Sporae 20—30 loculares. — 17. Tr. Montaynri Trev. (Ver- 
rucaria {rypethelüformis Mont.). 
*#*# Stirps Tr. uberinoidis, Perithecia in quovis stromate 
solitaria vel interdum 2—3. Sporae quadriloculares, — 18, Tr. ube- 
rinoides Nyl, — 19, Tr. verrucarioides Fee. 
*#2*% Species ob sporas ignotas dubiae. — 20. Tr. papillosum 
Ach — 21. Tr. Perrottetii Fee. — 22, ‚Tr. olivaceo-fuscum 
Zenker. 
VI. Stromatothelium Triev. Apotheeia verrucaeformia, simplicia 
vel subsimplicia, raro composita, Perithecia propria, jam primitus 
aterrima carbonacea, cornea, integra, stromate discolori immersa; 
ostiolis pro quovis peritheoio discretis, Asci elavaeformes, octospori, 
paraphysibns distinetis graeilibus immixti. Sporae oblongae vel 
ellipsoideo oblongae, longitrorsus quadriloculares vel rarius 4—6- 
loculares, fuscae vel fuscescentes, episporio demum constanter colo- 
rato, plus minusve opacae. 'Ihallus erustaceus’ uniformis, 
1. Sir. uberinum Trev. (Porina uberina F&e). — 2. Str. arcle- 
cinctum Trev. (Pyrenula arcte cincta Fee. — 3. Tir. melanoph- 
thalmum Trev. (Verrucaria melanophthalma Mont), — 4A. Sır. 
eruenlum Trev. (Trypethelium eruentum Mont.). 
vN. Bottaria Mass. (Mise, lich. pag, 42. 1856). Apothecia 
verrucaeformia, eomposita, rarias simplicia. Peritheeia propria, jam 
primitus aterrima carbonacea, cornea, integra vel subintegra subtus 
obliterata, stromate discolori immersa; ostiolis pro quovis perithecio 
diseretis. Asci clavaeformi-ventricosi, octospori vel interdam dispori, 
paraphysibus distinetis gracilibas vel rarius nullis immixti. Sporae 
ellipsoidese vel ellipsoideo-oblongae, fuscae vel fuscescenfes, epi- 
sporio demum constanter colorato, plas minasve opacae, Thallas 
erustaceas uniformis. 
