Onopordum, 25. 
Ophioglossum, 206. 
Ophrys, 162, 218. 
Orchis, 161, 218. 
Origanum, 60. 
Ornithogalum, 165. 
Ornithopus, 99. 
Orobanche, 58, 212. 
Orobus, 100. 
Osmunda, 206. 
Oxalis, 115. 
Panicum, 179, 195, 219. 
Papaver, 123. 
Parielaria, 154. 
Paris. 2158. 
Parnassia, 215 
Paslinaca. S1. 
Pedicularis, 58. 
Peplis, 90. 
letroselinum, 76. 
lhalaris, 179, 219. 
PFhleum, 180. 
Phragmites, 183. 
Phyteuma, 36. 
Picris, 20. 
Pilularia, 222. 
Pimpinella, 79, 213. 
Pinguicula, 67, 213. 
Pinus, 160, 
Pisum, 102. 
Plantago, 6N. 
Flalanthera, 460. 
Platanus, 155. 
( 232 } 
Poa, 188, 220. 
Polemonium, 45. 
Polycarpon, 143. 
Polygala, 109. 
Polygonatum, 167. 
Polygonum, 147, 217. 
Polypodium, 202, 222. 
Polypogon, 182. 
Polystichum, 204, 222. 
Populus, 157. 
Portulaca, 144. 
Polamogeton, 199, 221. 
Potentilla, 97, 209. 
Poterium, 93. 
Primula, 69. 
Prismalocarpus, 37. 
Prunus, 98. 
Pteris, 202. 
Pulmonaria, 46, 212. 
Pyrus, 90. 
Quereus, 158. 
Radiola, 115. 
Ranunculus, 447, 215. 
Raphanus, 133. 
Reseda, 133. 
Rhamnus, 75. 
Rhinanthus, 57. 
Ribes, 86. 
Robinia, 403. 
Romulea, 164, 
Rosa, 91, 214. 
Rosmarinus, 67. 
