396 



INDEX 



periphenca Tayl. {Verruca ri a) ii. 344 

 peripheriais Cromb. {Endo.) ii. 344 

 periplaca Nyl. (Tjocidoa) ii, 90 

 perlata Ach. (Parmolia) 233 

 perlatus Linn. (Lichen) 233 

 perluta Nyl. {Tjccidca) ii. 187 

 perlutum A. Zahlbr. (Rhizocarpon) 



ii. 187 

 perminiUa Deakin ( Vcrrucaria) ii. 335 

 perobscura Nyl. (Lecidea) ii. 32 

 peronellum Turn. & Borr. {Calic.) 100 

 pcrpusilla Leight. ( Verrucaria) ii. 343 

 X)orpusillum Arn. (Ticothec.) ii. 343 

 pcrpusilliis Nyl. [Endococcus) ii. 343 

 persicina Koerb. [Sagedia] ii. 386 

 persimilis Nyl. {Lecidea) ii. 187 

 Persoonii Ach. (Lichen) ii. 235 

 per tenuis Leight. (Verrucaria) ii. 336 

 pertusa Schser. (Parmelia) 261 

 pertusa Hook. (Porina) 499 

 PERTUSARIA DC. 491 

 pertusus Linn, (Lichen) 499 

 pertusus Schrank (Lichen) 261 

 perustula Nyl. (Lecidea) ii. 87 

 petr(2a Ach. (Lecidea) ii. 194 

 petrcea Tayl. (Lecidea) ii. 195 

 petrsea Nyl. (Lithographa) ii. 223 

 petrcBa Dur. (Opegrapha) ii. 223 

 petrseum Del. (Ghiodecton) ii. 261 

 petramni Koerb. (Rhizocarpon) ii. 195 

 petrseum Massal. (Rhizocarp.) ii. 194 

 petrceus Wulfen (Lichen) ii. 194 

 petrina Nyl. (Graphis) ii. 248 

 2}ezizoidea AgIi. (Lecidea) ii. 199 

 pezizoides Dicks. (Lichen) 338 

 pezizoides Weber (Lichen) 333 

 pezizoides Leight. (Pannaria) 338 

 pezizoideum Koerb. (Lopad.) ii. 199 

 phacodes Koerb. (Bacidia) ii. 152 

 phacodcs Leight. (Lecidea) ii. 152 

 phseenterodes Nyl. (Lecidea) ii. 66 

 phseocarpella Nyl. (Lecanora) 378 

 phseocephalum Turn. & Borr. (Cali- 



cium) 88 

 phceocephaliim Mudd (Cyphelium) 88 

 phcBOcephalus Turn. (Lichen) 88 

 PH^OGRAPHIS Muell. ii. 252 

 phoeoleucodes Nyl. (Lecanora) 445 

 phcBops Th. Fr. (Lecanora) ii. 20 

 phaeops Nyl. (Lecidea) ii. 20 

 phlogina Nyl. (Lecanora) 386 

 PHLYCTIS Wallr. 512 



phycopsis Ach, (Roccella) 182 

 phylliscclla Nyl. (Pyrenopsis) 25 

 phylliscina Nyl. (Locidea) ii. 80 

 phylliscocarpa Nyl. (Jjecidea) ii. 79 

 phyllodisca Stirton (Lecidea) ii. 93 

 PHYSCIA Schreb. 294 

 physodes Linn. (Lichen) 258 

 lihysodes E. Bot. t. 126 (Lichen) 259, 



260 

 physodes Ach. (Parmelia) 253 

 physodes Tayl. (Parmelia) 259 

 physodes Gray (Physcia) 258 

 picea Nyl. (Lecanora) 452 

 picila Massal. (Biatora) ii. 47 

 picila Leight. (Locidea) ii. 46 

 picta Tayl. (Lecidea) 384 

 pileatum Ach. (Stereocaulon) 122 

 PILOPHORUS Fr. 114 

 pilularis Koerb. (Biatoriua) ii. 116 

 pilularis Leight. (Lecidea) ii. 116 

 pinastri Gray (Cetraria) 225 

 2nnastr-i Scop. (Lichen) 225 

 pinastri Nyl. (Platysma) 225 

 pineii Koerb. (Arthonia) ii. 207 

 pineti Massal. (Biatorina) ii. 113 - 

 pineti Ach. (Lecidea) ii. 113 

 pineti Schrad. (Lichen) ii. 113 

 pinguicula Massal. (Verrucar.) ii. 283 

 pinicola Borr. (Lecidea) ii. 169 

 pinicola Ach. (Lichen) ii. 169 

 pinicola Sm. (Lichen) ii. 170 

 piniperda Koerb. (Lecanora) 435 

 pissodes Stirton (Lecidea) ii. 17 

 pitiiphloia Leight. (Verrucaria) ii, 306 

 pityrea Floerke (Capitularia) 132 

 pityrea Floerke (Gladonia) 132 

 pityrea Sm. (Parmelia) 308 

 pityrea Nyl. (Physcia) 308 

 pityreus Ach. (Lichen) 308 

 placodiellum Nyl. (Leptogium) OS 

 PLACODIUM Nyl. 357 

 placophyllus Ach. (Bseomyces) 111 

 PLACOPSIS Nyl, 355 

 plana Nyl, (Lecidea) ii. 76 

 plana Lahm (Lecidella.) ii. 76 

 platycarpa Ach. (Lecidea) ii. 68 

 PLATYGRAMMA Leight. ii. 258 

 PLATYGRAPHA Nyl, ii. 204 

 platyna Ach. (Cetraria) 216 

 platypyrenia A. L. Sm. (Arthopyrenia) 



ii. 329 

 platypyrenia Nyl. (Verrucaria) ii. 329 



