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XXVi Inhalt. 
Phyllosticta Späthiana All. et Syd. 61. 
— Trillii El. et Ev. 12, 
Physalospora 31, 125. 
— Corni EIl, et Ev. 12. 
Physarum 100, 125. 
— mucoroides Schilbers. 66. 
Physcia crispa n. v. 51. 
Physoderma 30. 
— Allii Krieg. 144. 
— Calami Krieg. 30, 144. 
— Magnusiana Krieg. 144. 
— Schroeteri Krieg 144. 
Phytophthora 93, 118. 
Picoa 138. 
Pila 103. 
Pilobolus 125. j 
Pilocarpon leucoblepharum n. v. 117. 
Pilonema 101. 
Pilotrichella subpachygasterella Broth. 
54. 
Pistillaria Cytisi Pat. 45. 
— Penniseti P. Henn. 13. 
Pitophora 10. 
Pitya 146. 
Placodium brachylobum Müll. Arg. 51. 
— diplacioides Wain. 117. 
— imperfectum Müll, Arg. 51. 
Placophora 7. 
Plagiochila 120. 
— chinensis Steph. 57. 
— columbiana Evans 120. 
— corticola Steph. 57. 
— Delavayi Steph. 57. 
— floridana Evans 120. 
— Stableri Pears. 122. 
— Sullivantii Gottsche 120. 
— yunnanensis Steph. 57. 
— zonata Steph. 57. 
Plagiothecium denticulatum n. v. 119. 
— Giraldii K. Müll. 27. 
Plasmodiophora 31. 
Plasmopara 93, 110, 126. 
Platygrapha tlexuosa ]. Müll. 139. 
— inferior J. Müll. 139. 
— multilocularis J. Müll. 139. 
Platygyrium 141. 
Platylobium 134. 
Platythalia 134. 
Pleosphaeria quercina Pat. 45. 
Pleospora 11, 86, 125. 
— coloradensis Ell. et Ev. 12. 
— juncicola EIl. et Ev. 12. 
— maritima Rehm 149. 
— Sydowiana All. 61. 
Pleuridium 55. 
Pleurocapsa 30. 
Pleuroschisma alpina Steph. 57. 
— bidentula Steph. 57. 
— cordifolia Steph. 57. 
Pleurotus 125. 
— Chevallieri Pat. 45. 
— submitis P. Henn. 13. 
Pleuroziopsis 26. 
Pleurozium 26, 57. 
Plicaria 31, 151. 
Plocamium ovicornis Okam. 135. 
Plowrightia 125. 
Pluteus stercorarius Peck 15. 
Podospora arachnoidea Niessl 143. 
Polycoccum thallicolum Arn. 83. 
Polyopes polyideoides Okam. 11. 
Polypodium costaricense Christ 142. 
— cyclocolpon Christ 142. 
— flagellare Christ 142. 
— myriolepis Christ 142. 
— rosulatum Christ 142. 
— thyssanolepis n, v. 142. 
Polyporus 17, 31, 47, 60, 80, 92, 93, 113, 
125, 126. 
— aureo-marginatus P. Henn. 13. 
— evanido-squamulosus P. Henn. 13. 
— pseudoradiatus Pat. 14. 
— Sancti-Georgii Pat. 14. 
Polysiphonia 7, 30, 106. 
Polystictus 80. 
— aratus.n, v. 13. 
— atro-albus P, Henn. 13. 
— ekunduensis P. Henn. 13. 
— subflabellatum P. Henn. 13. 
Polystigma 93. 
— nigroviride Rehm 148. 
Polytrichum microdendron K. Müll. 27. 
— polythamnion K. Müll. 27. 
— thelicarpon K. Müll. 27. 
Polyzonia fissidentoides Holmes 108. 
Poria 60, 61. 
— Dusenii P. Henn. 13. 
— tephra Pat. 14. 
Porina dominicana Wain. 117. 
— vincentina Wain. 117. 
Poronia Doumetii Pat. 45. 
Postelsia 30. 
Pottia Ryani Phil. 56. 
Prionitis 92, 
Prionodon caldensis Broth. 54. 
Prorocentrum ovoideum Lemm. 69. 
Protococcus 10, 69. 
Protomyces 138. 
— Bellidis Krieg. 92, 144. 
Protosiphon 130. 
Prototremella 49. 
PSathyrella Bartholomaei Peck 15. 
— leucostigma Peck 15. 
Pseudographis Volkensii P. Henn. 13. 
Pseudoleskea 141. 
— atrovirens n. v. 98. 
— heterocladioides Kindb. 26. 
— papillarioides K. Müll. 27. 
Pseudopeziza 9. 
Pseudopyrenula degenerans Wain. 117. 
— endoxantha Wain. 117. 
Pseudovalsa 19, 31. 
Psilopezia 82, 83. 
Psorotichia allobrogensis Hue 116. 
— americana Wain. 117. 
— Claudelii Hue 116. 
Pterigynandrum 141. 
Pteris 91, 125. 
— mollis Christ 142. 
Pterocaulon 135. 
Pterogonium 141. 
Pteromonas angulosa Chod. 108. 
