430 
Sisymbrium, 24. 
Sisyrinchium, 315. 
Sium, 138. 
Sium, 137. 
Smyrnium, 147. 
Solanacee, 224. 
Solanum, 225. 
Solidago, 168. 
Sonchus, 190. 
Sonchus, 190. 
Soyera, 192. 
Sparganium, 338. 
Spartina, 384. 
Spartium, 73. 
Spatularia, 126. 
Specularia, 203. 
Spergella, 47. 
Spergula, 120. 
Spergula, 47, 48. 
Spirea, 87. 
Spiranthes, 311]. 
Spirodela, 339. 
Stachys, 252. 
Staphylea, 66. 
Statice, 261. 
Statice, 262. 
Stellaria, 50. 
Stellaria, 54. 
Stenhammaria, 222, 
Stipa, 382. 
Stratiotes, 306. 
Sturmia, 314, 
Sturmia, 381. 
Suzeda, 266. 
Subularia, 31, 
Swertia, 215. 
Symphytum, 221. 
Tamariscacez, 112. 
Tamarix, 112. 
INDEX. 
Tamus, 303. 
Tanacetum, 173. 
Taraxacum, 189. 
Taxus, 301. 
Teesdalia, 29. 
Telmatophace, 339. 
Teucrium, 254, 
Thalamiflore, 1. 
Thalictrum, 3. 
Thesium, 278. 
Thlaspi, 28. 
Thlaspi, 31. 
Thrincia, 187. 
Thymelacez, 278. 
Thymus, 247. 
Thymus, 247. 
Thysselinum, 143. 
Tilia, 56. 
Tiliaceze, 58. 
Tillaza, 122. 
Tofieldia, 326. 
Tordylium, 143. 
Torilis, 144. 
Tormentilla, 95. 
Tragopogon, 187. 
Trichomanes, 416. 
Trichonema, 316. 
Trientalis, 260. 
Trifolium, 72. 
Triglochin, 336. 
Trigonella, 78. 
Trilliacee, 302. 
Trinia, 136. 
Triodia, 388. 
Tripolium, 166. 
Trisetum, 386. 
Triticum, 400. 
Triticum, 394. 
Trollius, 9. 
Tulipa, 321. 
Turgenia, 145. 
Turritis, 21. 
Tussilago, 166. 
Tussilago, 166. 
Typha, 337. 
Typhacee, 337. 
Ulex, 69. 
Ulmacee, 286. 
Ulmus, 286. 
Umbellifere, 129. 
Urtica, 285. 
Urticacee, 285. 
Utricularia?856. 
Vaccinium, 208. 
Valeriana, 155. 
Valeriana, 155, 156. 
Valerianacee, 155. 
Valerianella, 156. 
Vella, 28. 
Verbascum, 231. 
Verbena, 255. 
Verbenacee, 255. 
Veronica, 238. 
Viburnum, 150. 
Vicia, 78. 
Villarsia, 215. 
Vinca, 211. 
Viola, 34. 
Violacex, 34. 
Viscum, 149. 
Vulpia, 395. 
Wahlenbergia, 203. 
Woodsia, 409. 
Xanthium, 200. 
Zannichellia, 344. 
Zostera, 345. 
