416 



INDEX 



Parmelia 76, 113, 146 

 ambigua 131 



albescens 131 

 apiola (129) 

 austerodes 135 

 confragosa (102) 

 conspersa 131 



stenophylla 131 

 diatrypa (135) 

 enteromorpha (133) 

 lanata 131 

 lanuginosa (116) 

 olivacea 128, 132 

 omphalodes (135) 

 parietina (136) 



pygmaea (136) 

 perforata 135 

 perlata 135 

 pertusa 135 



physodes 132, 139, 140, 144 

 enteromorpha 133 

 obscurata 132 

 vittata 132, 133 



saxatilis in, 132, 133, 139, 144 

 omphalodes 77, 106, 107, 134, 



135, 142 



panniformis 135 

 sphserophoroidea 134 

 sulcata 135 

 straminea (109) 

 stjgia 109, 131 

 sulcata (135) 

 tartarea frigida (106) 

 tiliacea 135 

 Parmeliopsis aleurites (135) 



ambigua (131) 

 Patellaria myriocarpa (77) 

 Patinella aloysii-sabaudiae 22, 49, 54, 



pi. n, f . 6 

 Peat 7, 331 

 Pediastrum angulosum 173 



boryanum 173 

 Pellaea densa 380 

 Pellia endiviaefolia 347 

 epiphylla 347 

 neesiana 347 

 Peltidea apthosa (121) 



canina membranacea (118) 

 spuria (118) 



Peltidea polydactyla scutata (121) 



pulverulenta (119) 

 Peltigera 122 



apthosa 120 



canina 118 



membranacea 119 

 sorediata 121 

 spongiosa 118 

 spuria 119 



horizontalis 120 



polydactyla 120 

 scutata 121 



pulverulenta 119 



rufescens 119 



scabrosa 121 



tomentosa (122) 



venosa 121 



Peniophora disciformis borealis 43 

 Penium closterioides 164 



digitus 164, 214, pi. xi, f. 3 



interr upturn 164 



margaritaceum 164 



oblongum 164 



polymorphum 164 

 Peridermium cerebrum 36 

 Peronospora ficariae 35 



parasitica 35 

 Pertusaria 76, 107, 1 12 



bryontha 101 



carneo-pallida 100 



communis 100, (102), 106 

 isidioidea 100 



dactylina 100 



glomerata 99 



corniculata 101 



multipuncta 100 



occulata (105) 



panyrga 101 



pocillaria 101, 152, pi. ix, f. 1-5 



pustulata 99 



rhodocarpa 100 



rhodoleuca 101, 102 



sommerfeldtii 101 



subdactylina 101 



subobducens 101 



subplicans IOI 



trochiscea 101 



velata 101 



xanthostoma IOI 



