160 A. Zaiilbruckner: Liclienes. 



I. Thallus cinereiis, albidus vel glaiicescens. 



1. Apothecia verrucis thallinis immersa 24. Bockii. 



2. Apothecia ad thallum sessilia vel ei adpressa. 



a) Thalhis in margine byssulino-limitatus 36. hyssulina. 



ß) Thallus in margine aliter formatus, uniformis. 



O Thallus grosse granulosus 33. carnulenta. 



OO Thallus aliter formatus, continuus vel areolatus. 



-j- Hymenium superne coeruleseens 32. lemokensis. 



-f + Hymenium superne umbrinum, fuscum vel rufescens. 

 § Hypothecium crassura, luteum, KHO rufescens 



35. chrysocardia. 

 §§ Hypothecium aliter coloratum et KHO non reagens. 

 V Hypothecium dilute lutescens 34. griseomurina. 

 V V Hypothecium decolor. 



r^ üiscus niger 47. gangaleoides. 



rsr^ Discus pliis miuus fuscus. 



A Discus fuscus, epruinosus 46. campestris . 

 A A Discus lividescens, pruinosus 40. atrynea. 

 II. Thallus flavidus, stramineus, alutaceus vel ochraceus. 



1. Thallus globoso- verrucosus vel granosus 



62. f.ustulosa var. argopholis. 



2. Thallus areolatus vel continuus, plus minus laevigatus. 



a) Apothecia exigua, subpunctiformia 31. chinensis. 



ß) Apothecia distincte majora, disciformia. 

 § Apothecia obscura. 



O Apothecia nigra ö9. heterocarpina. 



OO Apothecia sordide vel livido-nigricantia. 



X Hypothecium fuscum : apothecia habitu lecanorina, 



plana 54. flavoviridis. 



X X Hypothecium flavescens; apothecia habitu biato- 



rina, convexa 63. irridens. 



§§ Apothecia laetius colorata. 



O Apothecia majuscula, usque 3,5 mm lata 



61. distrada. 

 OO Apothecia multum minora, latitudinem 2 mm nun- 

 quam superantia. 



X Apothecia pallide rufa; sporae 15 — 20 X H — 13/^ 



60. flavidorufa- 



X X Apothecia carneo-lutescentia vel flavescentia ; sporae 



10—12 X 4,5—6 fi 62. polytrop! . 



B. Speeies corticolae. 



a) Hymenium in toto violaceo-cinnamomeum 52. atra f. arnericana. 



b) Hymenium excepta parte suprema decolor. 



I. Thallus plus minus lutescens vel subochraceus. 

 a) Sporae magnae, 24 — 28 x 12 — 15 /< 



50. megalospara. 



