INDEX. 



330 



Page 



Syncesia {vide Chiodecton). 



Thelotrema {vide alsoPertusaria) 299 

 exanthematicum . . 69, 300 

 lepadinum 299 



Umbilicariacese 173 



Umbilicaria . . 82,84,89,99, 

 100, 105, 173 



erosa 180 



polymorpha 177 



var. cylindrica . 177, 



178, 179 



deusta . 178, 179 



polyphylla 179 



var. glabra . . 179 



polyrrhizos 180 



pustulata ... 44, 89, 176 



vellea . . .173 



Urceolaria .... 89,230,300 



calcarea 103, 232 



var. concreta . . .233 



cinerea 230 



scruposa 231 



var. bryophila . .231 



diacapsis . . .231 



■ vulgaris . . .231 



Usneacese 121 



Usnea . 24, 37, 61, 109, 121, 261 



Page 



Usnea barbata . . 92, 97, 101, 122 



var. articulata 122, 125 



ceratina . . .122 



dasypoga , .122 



florida . 122, 124 



intestiniformis . 123 



plicata . 122, 124 



hirta {vide U. barbata). 



melaxantha (for. sp.) . .124 



Variolaria 42, 297 



amara . 297 



faginea ....... 297 



Verrucariacese 300 



Verruearia {vide also Pyrenothea, 



Sagedia, and Endocarpon) 302 

 Borreri ....... 305 



epidermidis ...... 302 



var. analepta . .303 



epigsea 307 



gemmata ...... 303 



margaeea 306 



maura . . . . . 104, 306 



muralis . 304 



mutabilis 306 



nitida . ...... 302 



trachona 305 



umbrina ....... 305 



