Preslia, 371. 

 Primula, 328. 

 Primulaceae, 326. 

 Prolongoa, 272. 

 Prunus, i33. 

 Psamma, 489. 

 Psephellus, 261. 

 Psilurus, 5i2. 

 Psoralea, 121. 

 Pteranthus, 193. 

 Ptarmica, 270. 

 Pteris, 517. 

 Pterocephalus, 235. 

 Pteroneurum, 3i. 

 Pterotheca, 3o8. 

 Ptilotrichum, 41 . 

 Ptychotis, 218. 

 Pulegium, 374. 

 Pulicaria, 283. 

 Pulmonaria, 347. 

 Pulsatilla, 5. 

 Punica, i83. 

 Puloria, 226. 

 Pycnocomon, 236. 

 Pyrethrum, 273. 

 Pyrola, 323. 

 Pyrolaceae, 3^3. 

 Pyrus, 180. 



Q 



Queltia, 439. 

 Quercus, 419. 

 Queria, iq3. 



R 



Radiola, 87. 

 Ramondia, 336. 

 Ranunculaceae, 3. 

 Ranunculus, 9. 

 Raphanus, 25. 

 Rapistrum, 25. 

 Reaumuria, 191. 

 Reseda, Sg. 

 Resedaceae, 59. 

 Retama, 104. 

 Reutera, 220. 

 Rhagadiolus, 3i5. 

 Rhamneae, 98. 

 Rhamnus, 98. 

 Rhaponticum, 529. 

 Rhinanthus, 387. 



INDEX 



Rhodiola, 198. 

 Rhododendron, 324. 

 Rhus, 100. 

 Rhynchocorys, 387. 

 Rhynchospora, 472. 

 Ribes, 198. 

 Ricinus, 41 3. 

 Ricotia, 3i . 

 Ridolfia, 220. 

 Rindera, 352. 

 Robertia, 3 14. 

 Robinia, 121 . 

 Rochelia, 353. 

 Rodigia, 3 14. 

 Roemeria, 22. 

 Romulea, 456. 

 Roripa, 29. 

 Rosa, 168. 

 Rosaceae, i33. 

 Rosmarinus, 358. 

 Rottboellia, 5 12. 

 Roubieva, 401. 

 Rubia, 227. 

 Rubiaceae, 226. 

 Rubus, i35. 

 Rudbeckia, 261. 

 Rumex, 405. 

 Rumia, 220. 

 Ruppia, 5i5. 

 Ruscus, 435. 

 Ruta, 98. 

 Rutaceae, 98. 



Saccharum, 484. 

 Sagina, 83. 

 Sagittaria, 466. 

 Salicornia, 403. 

 Salix, 421. 

 Salsola, 404. 

 Salvia, 356. 

 Salvinia, 52i. 

 Salviniaceae, 52 1. 

 Sambucus, 225. 

 Samolus, 327. 

 Sanguisorba, 179. 

 Sanicula, 224. 

 Santalaceae, 41 1. 

 Santolina, 271. 

 Saponaria, 69. 

 Sarcocapnos, 24. 



539 



Sarothamnus, 100. 

 Satureia, 368. 

 Satyrium, 464. 

 Saussurea, 25 i. 

 Saxifraga, 199. 

 Saxifragaceae, 199. 

 Scabiosa, 235. 

 Scaligeria, 223. 

 Scandix, 317. 

 Schanginia, 404. 

 Schedonorus, 5oo. 

 Scheuchzeria, 466. 

 Schievereckia, 41. 

 Schismus, 5o6. 

 Schmidtia, 314. 

 Schoberia, '404. 

 Schoenus, 471. 

 Scilla, 446. 

 Scirpus, 472. 

 Scitdmineae, 437. 

 Scleranthus, iq3. 

 Selerochloa, 5o5. 

 Sclerochorton, 21 5. 

 Scleropoa, 5o5. 

 Scolopendrium, 5i8. 

 Scolymus, 314. 

 Scopolia, 338. 

 Scorpiurus, 121. 

 Scorzonera, 309. 

 Scrophularia, SyS. 

 Scutellaria, 358. 

 Secale, 509. 

 Securigera, 120. 

 Sedum, 196. 

 Selagineae, 389. 

 Selaginella, 522. 

 Selinum, 208. 

 Sempervivum, 194. 

 Senebiera, 48. 

 Senecillis, 266. 

 Senecio, 263. 

 Senticosae, 1^4. 

 Serapias, 459. 

 Seriola, 3i3. 

 Serrafalcus, 5oi. 

 Serratula, 252. 

 Seseli, 214. 

 Sesleria, 488. 

 Setaria, 484. 

 Sherardia, 233. 

 Sibbaldia, 167. 



