XVIII 
Pilznamen 
P la co di um subfruticulosum 56; var. xan- 
thorioides 56; Garovaglii 186. 
Placosphaerella silvatica 52. 
Placynthium 279. 
Plasmodiophora Brassicae 46. 
Plasmodiophoraceae 118. 
Plasmop ar a 182; viticola 30, 47, 106, 
109, 159, 223, 341. 
Platanus orientalis 45. 
Platygrapha hypothallina 184. 
Pleomassaria Elaeagni 277; Lycii 277. 
Pleonectria appendiculata 54. 
Pleosphaerulina 182. 
Pleospora infectoria var. nigriseda 280; 
Lycopodii 314; putrejaciens 1 ; Spartii 280. 
Pleur otus corticatus 179;. dryinus 179; 
Eryngii var. Ferulae 118; ulmarius 309. 
Plicaria Persoonii 174; Planchonis 174. 
Plöttnera 48. 
Plowrightia Mereschkowskyi 54. 
Pluteolus 123; Schmitzii 177. 
Poa 169. 
Polyblastia 55. 
Polycauliona 183. 
P oly gonatum multiflorum 96. 
Polygonum Bistorta 117, 226; incavnatum 
60; orientale 110. 
Polyphagus Euglenae 289. 
Polyporaceae 53, 278. 
Polyporei 103, 180. 
Polyporus 177, 185, 214; adustus 33; 
amarus 109; betulinus 156; detritus 54; 
fulvus 106; recurvatus 54; sulfureus 36; 
versicolor 36. 
Polyscytalum 345. 
Polystictus 278; versicolor 33,45,309, 313. 
Poterium Sanguisorba 169. 
Populus 91, 109, 169; atba 50, 97, 182; 
grandidentata 42; pruinosa 280; Tremula 
116; tremuloides 309. 
Poria 118. 
Prickly-pear 40. 
Protea grandiflora 185. 
Protococcaceen 294. 
Protomycetaceae 316. 
Protozoen 294. 
Prunus acida 310; Armeniaca 67, 169; 
Cerasus 110; domestica 67, 110, 169; 
insitita 169; Lauro-cerasus 45, 110; Ma- 
haleb 310 ; Mume 149 ; Padus 67,104,121 ; 
Persica 110; tambowiensis 121; triloba 68; 
Stachydis 121. 
Psalliota 229. 
Psalliotes 118. 
Psathyra 229. 
Pseudococcus farinosus 90. 
Pseudomonilia 144. 
Pseudopeziza Medicaginis 109; Trijolii 
109. 
Pseudoperonospora Celtidisv ar. Humuli 
108. 
P seudoplectani a nigrella 18. 
Pseudotsuga 91. 
Psila Rosae 107. 
Psilocybe 229. 
Psylla Försteri 90. 
Psylliden 89, 90. 
Psyllidomyces tenuis 90. 
Pt er is quadriaurita 151. 
Pterula 49. 
Ptyelus lineatus 89. 
Puccinia 42, 176, 185, 186, 275; agro- 
pyrina 262; albiperidia 96; Anthoxanthi 
117; Apii 169; argentata 96; Arrhenateri 
96; Asparagi 109; Blyttiana 226; bromina 
169; Caricis 315; Carlinae var. Carlinae- 
acanthifoliae 120; Ceanothi 108; Cerasi 
44, 110; Cichorii 169; coronata 96, 110, 
220; coronifera 96, 263; deminuta 184; 
Derris 174; dispersa 97, 168, 169, 262; 
Elephantopodis-spicati 177 ; Ellisiana 43; 
Engleriana 176; festucina 48; glumarum 
109, 119, 168, 169, 262; graminis 97, 
109, 117, 151, 167, 168, 169, 220; Heli- 
anthi 169, 220; Lolii 168, 169; May- 
dis 109; Malvacearum 110, 151, 159, 205; 
melanopsis 184; Menthae 110; Parthenii 
108; permixta 48, 262; persistens 96; 
poarum 169; Polygoni 96; Polygoni- 
alpini 184; Polygoni-amphibii 96, 262; 
Porri 108; promixella 48; Pruni-spino- 
sae 44, 110, 169, 222; Ribesii-Caricis 96; 
Ribis 107 ; sagittata 43 \septentr ionalis 226 ; 
Silenes 110; silvatica 96, 262; simplex 
169; Smilacearum-Digraphidis 96; Sorghi 
220; stipina 262; Stonemaniae 185; sua- 
veolens 110; Symphiti-Bromorum 96; 
Tanaceti 96; Tragopogi 117 ; triticina 169; 
Urticae-Caricis 96 ; Violae 110 ; Zopfii 315. 
Pucciniaceae 275. 
Puccini a strum Agrimoniae 97; arcti- 
cum 43; Circaeae 97; Epilobii 97; mini¬ 
mum 43; Myrtelli 109. 
Puttermansiella 49. 
Pycnis sclerotivora 252. 
Pycnochytrium 295. 
Pyrenocarpeae 54. 
Pyrenomycetae 54, 179, 277, 315, 316. 
Pyrenophora Brizae 50. 
Pyrenula 55, 183; Coryli 186. 
Pyrenulaceae 54. 
Pyrethrum millefolium 48.* 
Pyro-Uredinales 193. 
Pyropolyporus 278. 
Pyrus 309. 
Pythium Debaryanum 222. 
Q. 
Quer eus pedunculata 322; rubra 44. 
R. 
Radicatae 278. 
Radies 246. 
Ramalina baltica 181; denticulata 183; 
graeca 186; Huei 55; microspora 186; Pi- 
tardii 55; polinariellai. n. gracillima 231; 
sideriza 183. 
