399 



punotiformia Aoh. (Arthonia) ii. 216 

 ptinctifcn-mis Mudd (Arthonia) ii. 210, 



349 

 punotiformis Arn. (Arthopyr.) ii. 317 

 pimctiformis S. P. Gray (LejophUa) 



ii. 317 

 pimctiformis Ach. (Lichen) ii. 317 

 punctiformis Pers. (Verrucar.) ii. 317 

 punotiUiformis Leight. (Artlionia) ii. 



212 

 pungens Koerb. (Biatora) ii. 54 

 pungens Ploerke (Cladonia) 158 

 pungens Ach. (Lichen) 153 

 pungens Leight. (Lecidea) ii. 54 

 purpurascens Hoftm. (Verrucaria) ii. 



294 

 pusiUum Ploerke (Calioium) 93 

 pusillum Hedw. (Endocarpon) ii. 274 

 pusillum Tayl. (Endocarpon) ii. 270 

 pusillum Nyl. (Leptogium) 65 

 pustulata Gray (Gyrophora) 323 

 pustulata Nyl. (Pertusaria) 504 

 pustulata Aoh. (Porina) 504 

 pustulata Hofim. (Umbilioaria) 823 

 pustulatus Linn. (Lichen) 323 

 pustulosum etc. Dill. (Lichenoides) 328 

 pyonooarpa Koerb. (Lecidea) ii. 102 

 PYCNOTHELIA Duf. 124 

 pygmtea Ag. (Lichina) 82 

 pygmcea Bory (Borrera) 801 

 pygmcea Koerb. (Microthelia) ii. 343 

 pygmaeum Koerb. (Ticothec.) ii. 343 

 pygmcBus Lightf. (Fucus) 32 

 pyraoea Nyl. (Lecanora) 383 

 pyrenastrella Oliv. (Arthopyr.) ii. 317 

 PYKBNIDIUM Nyl. 81 

 pyreniospora Nyl. (Lecanora) 401 

 pyrenophora Aoh. (Verrucaria) ii. 297 

 pyrenAiphora Leight. (Verrucaria) ii. 



299 

 pyrenophorum Koerb. (Thelidium) 



ii. 297, 299 

 PYEBNOPSIS Nyl. 23 

 pyrenopsoides Nyl. (CoUema) 78 

 pyrenopsoides'Syl. (Lecanora) 78 

 PYRENULA Ach. ii. 840 

 pyxidata Hook. (Cenomyce) 129 

 pyxidata Pr. (Cladonia) 129 

 pyxidatum, etc. Dill. (Lichenoides) 140, 



145 

 pyxidatus Linn. (Lichen) 129 

 pyxidatus Sm. (Scyphophorus) 129 



quadricolor Hook. (Lecidea) ii. 25 

 guadricolor Dicks, (iicfeew) ii. 25 

 (jueroeti Nyl. (Lecidea) ii. 8 

 queroinum Pers. (Calioium) 92 

 quernea Ach. (Lecidea) ii. 19 

 quernea Koerb. (Pyrrhospora) ii. 20 

 querneus Dicks. (Lichen) ii. 20 



racemosa Hook. (Cenomyce) 152 

 racemosa Hoffm. (Cladonia) 152 

 racemosa Nyl. (Cladonia) 151 

 EACODIUM Pers. ii. 3 

 radiata Ach. (Arthonia) ii. 215 

 radiata Tayl. (Cenomyce) 139 

 radiata Pers. (Opegrapha) ii. 215 

 radiatus Huds. (Lichen) Z57 

 radiatus Sohreb. (Lichen) 139 

 Balfsii Cromb. (Lecanora) 393 

 Balfsii Salw. (Lecidea) 393 

 RAMALINA Aoh. 186 

 rameum Schser. (Nephroma) 283 

 rameum Nyl. (Nephromium) 283 

 ramificans Nyl. (Graphis) ii. 248 

 ramulosum, etc. DiU. (Goralloides) 172 

 rangiferina Hook. (Cenomyce) 174 

 rwngiferina Gray (Cladonia) 174 

 rangiferina Leight. (Gladina) 174 

 rangiferina Nyl. (Cladina) 174, ii. 352 

 rangifermus Linn. (Lichen) 174 

 ra/ngiferinus alpestris Linn. (Lichen) 



111 

 BAPHIOSPORA Massal. ii. 149 

 reoedens Nyl. (Lecanora) 469 

 recedens Tayl. (Lecidea) 469 

 recta Humb. (Opegrapha) ii. 250 

 recurva Hoffm. (Cladonia) 152 

 recurva Ach. (Parmelia) 250 

 reddenda Stirt. (Parmelia) 245 

 reducta Stirt. (Pertusaria) 498 

 refeUens Nyl. (Lecanora) 389 

 rehcta Stirton (Lecidea) ii. 92 

 repanda Nyl. (Dirina) 491 

 repanda Pr. (Parmelia) 491 

 resinse Th. Pr. (Biatorella) ii. 108 

 resincB Pr. (Lecidea) ii. 109 

 resince Pr. (Peziza) ii. 109 

 restriota Stirton (Lecidea) ii. 108 

 resupinata Gray (Nephroma) 283 

 resupinata Tayl. (Nephroma) 284 

 resupinatus Huds. (Lichsn) 284 

 resupinatus E. Bot. t. 305 (Lichen) 



285 



