606 
INDEX 
RoUboellia, 513 
Rubia, 189. 
Rubiacese, 185. 
Rubus, 113, 545. 
Rumex, 357. 
Ruppia, 444. 
R\tscu.s, 41b. 
Rynchospora, 448. 
Sagina, 57, 577 
Sagittaria, 413. 
Salicornia, 354, 588. 
Salix, 37G, 593. 
Salsola, 351. 
Salvia, 326. 
Sambucus, 183. 
Samolus, 344. 
Sanguisorba, 108. 
Sanicula, 166. 
Santalaceas, 365. 
Saponaria, 54. 
Sarothamnus, 87. 
Saussurea, 216. 
Saxifraga, 156. 
Saxifragaceae, 155. 
Scabiosa, 193. 
Scandix, 178. 
Schedonoi-us, 506. 
Scheuchzeria, 414. 
Schoberia, 351. 
Schcenus, 448. 
Scilla, 419. 
Scilla, 423. 
Scirpus, 449. 
Sci7-pus, 453. 
Scleranthus, 68. 
Sclerochloa, 501. 
Scolopendrium, 530. 
Scrophularia, 309. 
Scrophulariaceae, 304. 
Scutellaria, 329. 
Sedura, 152. 
Selaginella. 537. 
Selinum, 175. 
Selinum, 175. 
Seinpervivum, 154. 
Senebiera, 39. 
Senecio, 212. 
Serrafalcus, 508. 
Serratula, 218. 
Serratula, 216. 
Seseli, 174. 
Sesleria, 487. 
Setaria, 483. 
Sherardia, 185. 
Sibbaldia, 110. 
Sibthorpia, 317. 
Sieglingia, 496. 
Silaus, 174. 
Silene, 54, 576. 
Siler, 176. 
Silybum, 224. 
Simethis, 422. 
Sinapis, 32. 
Sinapis, 33. 
Sison, 168. 
Siifon, 168, 
Sisymbrium, 30, 573. 
Sisymbrium, 31. 
Sisyrinchium, 408. 
Sium, 170. 
Smilacina, 416. 
Smyrnium, 180. 
Solanaceas, 298. 
Solanum, 299. 
Solidago, 203. 
Sonehus, 229. 
SonchuK, 229. 
Sorhm, 140. 
Sparganium, 432. 
Spartina, 483. 
Spartium, 87. 
Spatnlaria, 156. 
Specularin. 274. 
Spen/ella, 59. 
Spergula, 68. 
Sperguluy 59. 
Spergularia, 67, 577. 
Spiraea, 108. 
Spiranthes, 404. 
Spirodcla. 435. 
Stachys, 333. 
Statice, 345. 
Stellaria, 62. 
Stellaria, 64, 67. 
Stipa, 488. 
Stratiotes, 394. 
Slurmia, 407, 484. 
Suaeda, 351. 
Subularia, 39. 
Symphoricarpos, 185. 
Symphytum, 294. 
Tamariscaceas, 142. 
Tamarix, 143. 
Tamus, 393. 
Tanacetum, 212. 
Taraxacum, 228, 582. 
Taxus, 391. 
Teesdalia, 37. 
Telmaiophace, 435. 
Teucrium, 335. 
Thalamiflorae, 1. 
Thalictrum, ?>, 568. 
Thesium, 365. 
Thlaspi, 36. 
Thlaspi, 39. 
Thrincia, 225. 
Thymelaceae, 364. 
Thymus, 327. 
Thymus, 329. 
Tilia, 71. 
Tiliaceae, 71. 
Tillaea, 151, 582. 
Tofieldia, 424. 
Tolt/pella, 539. 
Tprdylium, 176. 
Torilis, 177. 
Tormentilla, 112. 
Tragopogon, 226. 
Trichomanes, 532. 
Trichonema, 409. 
Trientalis, 343. 
Trifolium, 91 
Triglochin, 414. 
Trigonella, 95. 
TriUiaceae, 392. 
Trinia, 169. 
Triodia, 496. 
Trisetum, 494. 
Triticum, 511. 
Triticum, 503. 
TroUius, 14. 
Tulipa, 418. 
Turgenia, 177. 
Tui-ritis, 29. 
Tussilago, 201. 
Tussilago, 201. 
Typha, 432. 
Typhaceap, 432. 
Ulex, 86. 
Ulmaceae, 374. 
