-s 



INDEX. 



Populus '. 



Pore :11a 



Pop: ulaca 



Potamogeton 



Poteniilla 



Pothoa (v. Sympl 



Prenanlhes 



Primula 



Prinos 



Proserpinaca 



Prunella 



Prunus 



Psilotura 



Psoralea 



Ptelea 



Pttris 



Pterospora 



Pulmonaria 



Pycnanthemum 



Pyrelhrura 



P3rola 



Pyrus 



Q 



Quercus 

 Queria 



ii. 239 

 ii. 19 



u. 6 



111 



olO 



ocarpus) lu5 



ii. 123 



119 



212 



91 



ii. 36 

 302 



ii. 248 



; ii. 102 



1U4 



ii. 251 

 269 

 115 



ii. 32 



ii. 168 

 272 

 306 



213 

 158 



Ranunculus 



Rhamnus 



Rhexia 



Rhinanthus 



Rhododendron 



Rhodora 



Rhus 



Rhynchospora 



Ribes 



Ricinus 



Rivina 



Robinia 



Rosa 



Rotbollia 



Rubia 



Rub us 



Hubdcckia 



R 



II. 23 

 152 

 243 



ii. 56 



£68 

 268 

 203 



140 



i. 226 



104 



ii. 118 



308 



83 



93 



308 



ii. 178 



