XVIII 



Pearson 49, 140, 159, 

 169, 282, 288 

 Pease 172 



Peck 285 



Peckolt 159, 191, 255 

 Peglion 22, 150, 166 

 Peirce 5,145,150,285 

 Peklo 55 



Pellegrin 61, 140, 155, 



189 

 Pelourde 213 



Pelz 185 



Penau 22, 121 



Penhallow 213 



Pennel 140 



Penneil 28, 189 



Pennington 147, 149 

 Pensa 50 



Pereyaslawzeff 221 

 Pergola 24 



Perkins 252, 285 



Peron 126 



Perotti 64, 127, 166, 255 

 Perrier & Fouchet 190 

 Perrier de la Bathie 1 5 5 

 Perrin 219 



Perriraz 99, 145 



Perron 61 



Perrot 47, 55, 159 



Perrot & Eberhardt 47 

 Perrot & Gatin 247 

 Persona 178 



Persson 282 



Petch 69, 105, 181, 



2r5, 244 



Peter 145 



Peterfi 25, 152, 282 

 Peters 23, 120 



Petersen 53, 180, 285 

 Pethybridge 150, 182 

 Pethybridge & Murphy 



120 

 Petit 176 



Petrak 28,61,141,149, 



155, 252 

 Petri 23, 49, 120, 241 

 Petrie 163, 176, 244 

 Pettendorfer 252 



Peyer 241 



Pezzolato 64 



Pfeffer 179 



PfeifiFer 127 



Pharmakognostische 



Rundschau 191 



Philip 103 



Philippi 53 



Phillips 18,31, 155,221 

 Phytopathology 120 

 Piault 93 



Picado 286 



Pichauer 55 



Picquenard 151 



Pieron 19 



Pietzsch 196 



Pigram 247 



Pilger 28, 247 



Pilgrim 53 



Pilz 244 



Pinoy 113 



Pinzani 185 



Piper 288 



Piper & Morse 96 



Pirotta & Puglisi 115 

 Pitard 155 



Pitard & Bouly de Les- 

 dain 151 



Pittier 61 



Plahl 223 



Plahn-Appiani 47, 64, 



159, 255 

 Plant 17 



Plate 227 



Plateau 18 



Platen 117 



Plato 84 



Plaut 49 



Play fair 103 



Plemper van Baien 141 

 Plummer 221 



Plüss 235 



Pöch 252 



Podpera 247 



Pohlig 229 



Pokorny 241 



Pole Evans 210 



Politis 145,211,274,276 

 Pollacci 248 



Polle 164, 255 



Pollock 22 



Pomona College Jour- 

 nal 113 

 Popenoe 127 

 Popovici 221 

 Poppe 24 

 Porcher&Panisset 199, 



218 

 Porodko 147 



Porsch 28,114,235,241 

 Porsild 74, 189 



Portier 280 



Potebnia 149 



Potonie 21, 67 



