Rubia, 212. 
Rubus, 94. 
Rumex, 149. 
Ruppia, 201, 221. 
Ruseus, 467. 
Ruta, 116. 
Sagina, 139. 
Sagiltaria, 221. 
Salicornia, 147. 
Salix, 456, 218. 
Salsola, 147. 
Salvia. 62, 67. 
Sambueus, 44. 
Samolus, 71. 
Sanguisorba, 214. 
Sanicula, 75. 
Santolina, 29. 
Saponaria, 136. 
Satureia, 67. 
Satyrium, 218. 
Saxifraga, 8/4. 
Scabiosa, 38. 
Scandix, 82. 
Schæœnus, 176. 
Secilla, 166. 
Scirpus, 176, 219. 
Seleranthus, 144, 216. 
Scolopendrium, 203. 
Scorzonera, 21. 
Serophularia, 53. 
Scutellaria, 63. 
Secale, 195. 
Sedum, 85, 214. 
(333 ) 
Selinum, 214. 
Sempervivum, 86. 
Senecio, 26, 211. 
Serratula, 23. 
Seseli, 214, 
Sherardia, 40. 
Sibthorpia, 54. 
Silene, 137. 
Silybum, 25. 
Sinapis, 131. 
Sison, 77. 
Sisymbrium, 126, 215. 
Sium, 213. 
Smyrnium, 83. 
Solanum, 49, 212. 
Solidago, 34. 
Sonchus, 20, 241. 
Sorbus, 91, 214. 
Sparganium, 196, 221. 
Spergula. 142, 216. 
Spergularia, 143. 
Spinacia, 146. 
Spiræa, 98. 
Spiranthes, 162. 
Stachys, 64. 
Statice, 69, 213. 
Stellaria, 140. 
Symphytum, 48. 
Tamarix, 136. 
Tamus, 165. 
Tanacetum, 29. 
Taraxacum, 19. 
Taxus, 160. 
