INDEX 



459 



Peniagenella Darbish., 83, 324 

 Perforaria Mull.-Arg., 337 

 Persio, 413 



Persoon, lo, 21, 123, 156, 395 

 Pertusaria DC, 34, 73, 85, 86, 88, 170, 180, 

 186, 213, 246, 253, 337, 414 



P. amara Ach., 148, 336, 243, 349, 361, 366, 

 408 (Fig. 132) 



P. communis DC, 50, 202, 214 (Fig. 116), 

 555. 269, 366, 393 



P. concreia Nyl., 382 



P. corallina (Ach.) Bachm., 374 



P. doc ty Una Nyl., 387 



P.dealbaiaOromh.y 215, 375, 376 



P.faginea Leight., 396 



P. globulifera^y\.,%^ (Fig. 12), 236, 237, 262, 

 357, 366 



P. glomerata Schaer., 387 



P. lactea Nyl., 374, 376 



P. leioplaca Schaer., 365 



P. hUescens Lamy, 236 



P. melaleuca Dub., 417 



P. oculataTh. Fr., 387 



P. velata Nyl., 26s 



P. iVulfenii DC.,'226, 366 

 Pertusariaceae, 147, 311 

 Petch, 397 

 Petiver, 4, 10 

 Petractis Fr., 327 



P. exanthematica Fr., 61, 75, 215, 216 

 Pesiza Dill., 157, 213, 307 



P. resinae Fr., ^55 

 PfafF, 221 

 Pfeffer, 220 



Phacopsis vulpina Tobl., 265 

 Phaeo^apkinayi\iS\.-Kx%.^ 322 

 Phaeographis Miill.-Arg. , 322 



Ph. Lyellii A. Zahlbr., 350 

 Phaeotrema Miill.-Arg., 326 

 Phalenay 395 



PhascuTH cuspidaiicm Schreb., 45 

 Phialopsis rubra 'K.oQxh. J 174, 249; see Gyalecta 

 Phillips, 252 



Pkleopecca7iia Stein., 284, 333, 352 

 Phlyctella Miill.-Arg., 338 

 Phlyctidia Miill.-Arg., 338 

 Phlydis Wallr., 338 



P. agelaea Koerb., 174 

 Phycolichens, 22, 282, 283, 285 

 Phycopeliis Millard., 59, 278, 318, 321, 322, 323, 



327. 352, 363 

 P. expansajenn., 35 (Fig. 13), 60 (Fig. 32) 

 Phylloiiidium Moeb., 59, 62, 288, 309, 310, 318, 



327, 363 



P, iropiciim Moeb., 59 

 Phylliscidium Forss., 333 

 Phylliscum Nyl., 286, 333 

 Phyllobatheliinn Miill.-Arg., 318 

 PhyllophoraGxtv., ixi 

 Phyllophthalmaria A. Zahlbr., 326, 352 



PA. coccin^a A. Zahlbr., 352 

 Phylloporina Miill.-Arg., 318 

 Phyllopsora Mull.-Arg., 329 



P. furfuracea A. Zahlbr., 329 

 Phyllopsoraceae, 310, 329 

 Phyllopyreniaceae, 309, 318 

 Phymaloidei, 304 



Physcia Schreb., 90, 94, 166, 186, 238, 301, 351, 



372. 399 



P. aipolia Nyl., 20 (Fig. 1), 249 



P. aquila Nyl., 380, 382, 384 



P. ascendens Bitt., 270, 369, 377 



P. caesia Nyl. , 226, 369, 384 



P. chrysophthalvia, see Teloschisies 



P. ciliaris DC, 3, 46, 84 (Fig. 48), 92, 94, 99, 

 103. 155. 165 (Fig. 94), 166, 167, 182 (Fig. 

 100), 184, 185 (Fig. 104), 187, 189, 192, 

 243, 246, 247, 355, 360, 411, 419 



P. granulifera Nyl., 365 



P. hispida Tuck., 29, 92, 146, 164, 166, 169, 

 194 (Fig. no), 241, 271, 360, 366 



P. hypoleuca Tuck., 399 



P. intricata Schaer., 301 



P. leucomelas Mich., 99 



P. obscura Nyl., 243, 360, 365, 369, 377 



P. parieiina {see Xanthoria), 29 (Figs. 7, 8) 



P. picta Nyl., 349, 353 



P. pulveritknta Nyl., 28, 164 (Fig. 93), 166, 

 181, 248, 360, 365, 366, 377, 399 



P. puncticulata Hue, 33 



P. sdastrella Hann., 369 



P. stellaris Nyl., 29, 365, 384 



P. stellaris var. tenella Cromb. , see P. hispida 

 Tuck. 



P. subobscura A. L. Sm., 384 



P. tenella Bitt., 366, 384, 386 



P. tribacia Nyl., 365 



P. villosa Dub., 268 

 Physciaceae, 136, 200, 267, 300, 308, 311, 341 

 Physcidia Tuck., 299, 339 



Ph. Wrightii Nyl., 352 

 Physma Massal., 163, 284, 334, 341 



P. chalazanum Am., 32 (Fig. 9) 



P. compactum Koerb., 163, 266 



P. franconicuin ^Massal. , 263 

 Pilocarpaceae, 310, 325 

 PilocarpanWzm., 325, 353; see Pilophorus 



P. letieoblepharum Wain., 325, 363 

 Pilophorus Th. Fr., 17, 125, 133,135, 2or, 29:, 

 294. 297, 330 



P. robusttis Th. Fr., 136 

 Pimis sylvestris L., 94, 271 

 Piptocephalis De Bary, 261 

 Placidiopsis Beltr., 288 

 Placodium DC, 80, 339, 340, 346, 360, 372 



P. atrojlavum A. L. Sm., 386 



P. aiirantiacuvi Hepp, 365 



P. bicolor Tuck., 136 



P. callopismum Mer. , 349 



P. cerinum Hepp, 262, 365, 366, 367 



P. citrinum Hepp, 224, 271, 349, 373, 377, 

 386, 393 



P. decipieTis Leight., 218, 369, 383 



P. elegans DC, 22;, 241, 347, 369, 390 



P, ferj-ztgineiim Hepp, 346, 384 



P.Jlavescens A. L. Sm., 377 



P. fruticulosum Darbish., 347 



P. fulgens S. F. Gray, 367 



P. lacteum Lesd., 377 



P. lobulatum A. L. Sm., 379, 382, 384 



P. luteoalbuvi Hepp, 301 



P. inuroriinL DC., 42, 80 (Fig. 42), 227, 241 



243. 347, 369- 380 

 P. nivale Tuck., 301 



