Lichenologische Beiträge. 



327 



19. Catillaria chahßeia Borr. : ep. fuligineo-glaucum, hyp. fuscum, sp. ohlongae, 



11—14X3—4. N. 



20. Catillaria tristis Müll. : thallus siihnuUus, hyp. rubricoso-fuscum, sp. 11 X 4; 



vide Arn. Lieh. Ausfl. XVI S. 3. C. 



21. Sarcogyne pruinosa Sm. B., A. 



22. Leciograiiha parasitica f. mutilata Arn. : supra thallum cinereum tenuissi- 



mum Amphoridii cujusdam, ap. arcte approximata, maculam minutam 

 atram formantia, ceterum ut in Arn. Lieh. Ausfl. IX S. 307; sp. 16—19 

 X 6—8, fuscae, juniores hyalinae. St. 



23. Opegrapha Chevallieri Leight. Brit. Graph, p. 10, Stizb. Opeg. saxie. p. 20: 



thallus macula indicatus, humectus violodo7'US, ap. linearia, simplicia vel 

 ramosa, marginib. nitidulis tumentihus, asci pyriformes, pariete apicali 

 valde incrassato, sp. 3sept., Ulis Ärthoniae astroideae simillimae. N. 



24. Catopyrenium lecideoides f. minutum Mass. C. 



25. Amphoridium dolomiticum Mass. : thallus caesioalbus, tenuissimus, sp. 19 — 25 



X 14 — 16, fuscatae, simplices. 



26. Lithoicea nigrescens Pers. B., C, St. 



27. Lithoicea glaucina Aeh. St. 



28. Verrucaria muralis f. confluens Mass.: sp. 19—22X8—10. A. 



29. Verrucaria calciseda DC, B. : thallus albus, farinosus, crassiusculus, ap. im- 



mersa, solo apice prominentia, sp. oblongo-oviformes, 26—27X8 — 11. A., N. 



30. Verrucaria Dufourei DC. N. 



31. Verrucaria purpurascens Hffm. C, N. 



32. Thelidium pyrenophorum Kbr. {Sprucei Leight.): thallus crassus, sordide 



albidus, ap. majuscula, semiemersa, perith. crassum, dimid., sp. in ascis 

 8nae, oblongae, altero apice attenuatae, 3sept., 49 — 57X14 — 16. B. 



33. Arthopyrenia tichothecioides Arn. : ap. minutissima, subimmersa, par. nullae, 



sp. ohtusae, Isept., loculo superiore subgloboso, 20—24X8 — 11, fusce- 

 scentes, J hym. pallide vinose rubens praec. coerulesc. levissima, asci late 

 saccati. C. 



34. Staurothele caesia Arn.: thallus caesio-cinereus, ap. majuscula, immersa, 



facile elabentia, par. nullae, gonid. hymenialia globulosa, diam. 3, sp. 

 muralidivisae, 32 X 14, altero apice attenuatae. N., St. 



35. Microthelia marmorata Hepp: sp fuscae, Isept., 32X14, loculo altero 



cuneato-ellipsoideo, altero rotundato-ellips., majore. N., St. 



36. Collema granosum Wulf.: thallus magis pallescens, sordide olivac, lamina 



tenuis J sanguineo-rubens, thallus marg. versus transversim rugulosus, 

 humectus crassus. A. 



37. Collema pulposum Bernh. C, N. 



38. Collema multifidum Scop.: ap. majuscula, sp. acutato-ellipsoid., 3sept. et 



6—8loculares, 20—30X11—14. A. 



39. Lethagrium polycarpum Sehär. Lago di Terlago : forma ap. amplis et thallo 



humecto ^mllidiore, sp. 3sept., fusiformes vel saepius altero apice rotun- 

 datae, 20 -27X7—8. C. 



