BRITISH LICHENS

438 INDEX
pineti Schrad. (Lichen), 10
pineti Leight. (Arthonia var.), 22!J
pinguicula Massal. (Verrucaria), 3-14
pinicola Th. Fr. (Biatorella), 117
pinicola Borr. (Lecidea), 185, 186
pinicola Ach. (Lichen), 185
pinicola Sm. (Lichen), 186
pinicola Massal. (Sarcoayne), 117
pinicola Leight. (Lecidea J.), 185
pithyophill1 Nyl. (Lecidea var.), 30
pithyophila Sommerf. (Lecidea vaT.),
30
pituphloia Leight. (Verrucaria), 334
plana Nyl. (Lecidea), 66
plana Lahm (Lecidella), 66
platycarpa Fr. (Lecidea var.), 81
platycarpa Ach. (Leeidea), 81
PLATYGRAJIlIIA Leight., 281
PLATYGRAPHA Nyl , 225
platypyrenia Am. (Arthopyrenia), 361
platypyrenia Nyl. (Verrucaria), 361
platypyrenia Carroll (Verruearia var.),
361
pleiospora A. L. Sm. (Lecidea), 51
plicatile A. L. Sm. (Rhizocarpon), 214
plicatili8 Leight. (Lecidea), 215
plumbea S. F. Gray (Lithocia), 313
plumbea Ach. (Verrucaria), 313
plumbina Anzi (Leciographa), 202
plumbo8u8 Sm. (Lichen), 313
poliwna Ny!. (Lee idea subsp.), 173
polirenl1 Am. (Bacidia var.), 173
poliodes Ny!. (Lecidea), 40
polospora. A. L. Sm. (Buelha), 184
polospora Leight. (Lecidea), 184
polyantha Tayl. (Lecidea), 03
POLYBLASTIA Massal., 328 •
polycarpa Floerke (Lecidea), 65
polysita A. L. Sm. (Bacidia), 163
polys ita Stirt. (Lecidea), 163
polyspora Hepp (Muellerella), 386
polystieta Borr. (Verruearia), 314
polysticta Larb. (Verrucaria), 315
polystietum Borr.·(Endocarpon), 315
polytheeium Hook. (Endoearpon var.),
315
populorum Massa!. (Diplolomma), 205
poplllorum Mudd (Diplotomma '/)ar.),
204
populorum Leight. (LecideaJ.), 204
PORINA Ach., 364
porriginosa A. L. Sm. (Bacidia var.),
165
porriainosa Cromb. (Lecidea vaT.), 165
porriginosus Turn. (Lichen), 165
postuma Ny1. (Lecidea), 213
postumum Th. Fr. (Rhizocarpon), 212
prrecaycnda A. L. Sm. (BuelIia), 186
prrecat'enda Ny!. (Lecidea), 187
prroponens A. L. Sm. (Buellia subap.),
188
prreponenIJ Ny!. (Lecidea sllbsp.), 188
prreponens Leight. (Lecidea !"aT.), 188
prrorimata Ny!. (Leciden), 27
prasina Syd. (Biatorina), 131
prasina Schaer. (Lecidea), 31, 131
prasina Fr. (lilicarea), 131
prasiniza Nyl. (Leeidea), 131
prasinoides Olivo (BaCldia), 168
prasinoides Nyl. (Lecidea), 168
prasinolepis Th. Fr. (Lecidea), 36
prasinolepis Ny!. (Lecidea 8ubsp.), 36
prasinorufa Ny!. (Leddea subsp.), 31
premnea A. L. Sm. (Biatorina), 134
premnea Weddell (Lecanactis), 222
premnea Leight. (Biatora), 176
premnea Fr. (Lecidea), 134
premnea Ach. (Leeidea), 222
premneoides A. L. Sm. (Bilimbia), 160
premneoidee Ny!. (Leeidea), 160
premnellm Mudd (Schismatomma). 222
privigna A. L. Sm. (BiatorelIa), 121
priviana Ny!. (Lecanora). 121
priviana Ach. (Leddea), 121
primgna S. F. Gray (Rinodina), 122
privigna Leight. (Endocarpon mr.),
121
privigna Cromb. (Leeanora var.), 121
proiata Ny!. (Lecidea vaT.), 190
prominula Borr. (Lecidea), 64
prominula Nyl. (Verrucaria), 303
prominula Borr. (Lecidea). 85
promiscens Ny!. (Lecidea), 88
prosiliens Stirt. (Opegrapha), 256
prosodel1 Ach. (Opegrapha), 268
prostratula Stirt. (Lecidea), 16
protrusa Schaer. (Lecldea), 56
proximella Ny!. (Melaspilea), 250
proximella Ny!. (Arthonia), 250
proximeila Ny!. (Leeidea), 250
pruinata Steudel (Arthonia), 23G
pruinata Pers. (Patellaria), 234