XXVI 
Onychonema uncinatum n. v. 8. 
Oocardium 74. 
Oocystis 76. 
— apiculata West 76. 
— asymmetrica West 75. 
— brunnea Turn. 8. 
— gigas n. v. 79. 
— mammillata Turn. 8, 
— nodulosa West 75. 
— Novae Semliae n. v. 75. 
— panduriformis West 75. 
— solitaria n. v. 75. 
— sphaerica Turn. 8. 
Oomyces 53. 
Oontidium 6. 
Oospora 23, 59. 
— scabies Thaxt. 16. 
Öpegrapha 58. 
— virescens Müll. Arg. 134. 
Ophiobolus 32, 53. 
— Andropogonis Ell. et Ev. 121. 
Ophioceras 52. 
Ophiocladium Hordei Cav. 106. 
Ophiocytium cochleare n. v. 151. 
— majus n. v. 151. 
Ophioglossum 146. 
Ophiotheca Wrightii B. et C. n. v. 114. 
Orbilia 31, 170. 
— flavidorosella Rehm 31. 
— scotica Mass. 108. 
Orthidium ®. 
Orthoceras;6, 
ÖOrthotrichum 61, 62, 110, 141. 
— lateciliatum Vent. 139. 
Östropa 85. 
Otidea 85, 170. 
Otthia 53, 9. 
Ovularia 169. 
— Holci lanati Cav. 106. 
— ÖOxalidis Oudem. 124. 
Oxyzosma 6. 
Pachydictyon 74. 
Pachyphloeus 161. 
Padina 74. 
Pallavicinia 141. 
Palmella 151. 
Palmellococcus 151. 
Pandorina 151. 
Panrlarja 57; 
— austriaca Zahlbr. 58. 
Panus obducens Pat. et Har. 15. 
Papillaria appendiculata Ren. et Card. 
142 
Parmelia 57, 109, 161. 
— laevigata n. v. 134. 
— stenophylla Müll. Arg. 134. 
— subglauca Nyl. 88. 
Parmeliella 57. 
Parmeliopsis 161. 
Parmentaria 58. 
Passerinula 53. 
Patellaria 57. 
— aeruginosa Müll. Arg. 88. 
— Eckfeldtii Müll. Arg. 88. 
— griseo-nigella Müll. Arg. 88. 
— leptosporella Müll. Arg. 134, 
Inhalt. 
Patellaria obtegens Müll. Arg. 134. 
— trachonella Müll. Arg. 134. 
Patinella macrospora Mass. 79. 
— vagans EIl. et Ev. 121. 
Pediastrum 76, 77, 153. 
— incavatum Turn. 8. 
Pellaea brasiliensis Bak. 28. 
Pellia 141. 
Peltigera 57, 72. 
Penicillium 20, 21, 22, 47, 53, 54, 115, 131. 
Penium 151. 
— bisporum Turn. 6. 
— Clevei n. v. 75. 
— curcurbitinum n. v. 75. 
— Digitus n. v. 6. 
— lanceolatum Turn. 6. 
— Lewisii Turn. 78. 
— Libellula n. v. 153. 
— navigium Turn. 6. 
— oblongum n. v. 6. 
— polymorphum n. v. 6. 
— rotundum Turn. 6. 
Royanum Turn. 8. 
scandinavicum Turn. 8. 
— simplex Turn. 6. 
— sublamellosum Turn. 6. 
Percursaria 5. 
Perforaria 57. 
Perichaena gregata Fautr. et Lamb. 121. 
Peridermium 13, 107, 108, 128. 
— Fischeri Kleb. 121. 
— Stahlii Kleb. 128. 
Perisporiacites Larundae Felix 122. 
Perisporium 21, 52. 
Peronospora 16, 17, 64, 94, 96, 167, 170. 
— phlogina Diet. et Harkn. 127. 
Pertusaria 57. 
— apiculata Müll. Arg. 134. 
— lepida Müll. Arg. 134. 
— leucothallina Müll. Arg. 134. 
— Pentelici Steiner 22, 
Pestalozzia 32, 89, 95. 
— Asphodeli Boy. et Jacz. 120. 
— Epilobii Roll. et Fautr. 31. 
— Kriegeriana Bres. 169. 
— lateripes EIl. et Ev. 14. 
— Iycopodina EIl. et Ev. 121. 
— nucicola EIl. et Ev. 121. 
— Penzigii Boy. et Jacz. 120. 
Pestalozzina Soraueriana Sacc. 139. 
Petalomonas carinata Franze 77. 
Peyssonellia 155. 
— Rosenvingii Schmitz 4. 
Peyritschiella 55. 
— gemmata Thaxt. 54. 
Peziza 64, 85, 94, 95, 108, 131. 
— rivularis Clements 113. 
Pezizella 30, 96. 
Phaeangium Lefeborei Pat. 85. 
Phacotus lenticularis n. v. 39. 
Phacus 39. 
— setosus Franze& 77. 
— striatus Franze 77. 
Phaeographina 58. 
— rhodopiaca Müll. Arg. 135. 
Phaeographis 58. 
