INDEX OF PLATES 
Beomyces roseus Pers. 64 
Calicium quercinum Pers. 4 
Candelaria concolor Wain. 37 
Candelariella vitellina Mill.-Arg. 48 | 
Cerania vermicularis S. F. Gray 44 
Cetraria glauca Ach. 39 
Chenotheca trabinella A.L. Sm. 2 
Cladonia coccifera Willd. 68 
Collema granuliferum Nyl. 24 
Coniocybe furfuracea Ach. 3 
Crocynia gossypina Nyl. 61 
Crocynia lanuginosa Hue 61 
Cyphelium inquinans Trev. 6 
Diploschistes scruposus Norm, 60 
Dirina repanda Nyl. 69 
Ephebe lanata Wain. 15 
Ephebeia hispidula Nyl. 16 
EKuopsis pulvinata Wain. 17 
Eyernia prunastri Ach. 40 
Gomphillus calycioides Nyl. 65 
Gyrophora proboscidea Ach. 62 
Hematomma coccineum Koerb. 55 
Icmadophila ericetorum A. Zahlbr. 54 
Lecania syringea Th. Fr. 53 
Lecanora varia Ach. 51 
Lemmopsis Arnoldiana A. Zahlbr. 
Leptogidium dendriscum Nyl. 11 
26 
| Pannaria rubiginosa Del. 
29 
Peltigera canina Willd. 32 
- Pertusaria pertusa Dalla Torre & 
Sarnth. 56 
Phlyctis agelea Koerb. 59 
Physcia stellaris var. aipolia Nyl. 49 
_ Physma polyanthes Arn. 23 
Pilophorus cereolus Stizenb. 66 
Placodium murorum DC. 47 
Placynthium nigrum S. F. Gray 12 
Polychidium muscicolum §, F. Gray 
10 
Porocyphus areolatus Koerb. 8 
Psoroma hypnorum §. F, Gray 31 
Psorotichia Schereri Arn. 20 
Pterygium lismorense Cromb. 22 
Pyrenidium actinellum Nyl. 71 
Pyrenopsis phylliscella Nyl. 18 
Ramalina fraxinea Ach, 41 
Rinodina roboris Arn. 50 
Roccella fuciformis DC. 70 
Schizoma lichenodeum Nyl. 13 
Solorina crocea Ach. 34 
Spherophorus globosus Wain. 7 
Sphinctrina turbinata Fr. 1 
Spilonema paradoxum Born. 14 
| Stenocybe septata Rehm 5 
Leptogium sinuatum var. scotinum | 
Koerb, 27 
Lichina pygmea Ag. 21 
Lobaria pulmonaria Hoffm. 36 
Massalongia carnosa Koerb. 30 
Stereocaulon coralloides Fr. 67 
Sticta fuliginosa Ach. 35 
| Synalissa ramulosa Fr. 19 
Synechoblastus nigrescens Anzi 25 
Teloschistes flavicans Norm. 45 
Thelotrema lepadinum Ach. 58 
Thermutis velutina Th. Fr. 9 
Umbilicaria pustulata Hoffm. 63 
Usnea florida Web. 42 
Nephromium lusitanicum Nyl. 33 
| Varicellaria microsticta Nyl. 57 
Parmelia caperata Ach. 38 
Parmeliella plumbea Wain. 28 Xanthoria parietina Th, Fr. 46 
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