Schedonardus, 99, 192. 
Schinzia, 171, 208. 
Schistochila, 346. 
Schizonema, 28, 57- 
Schlectendalia, 59. 
Schmidtia, 65. 
Schoenanthum, 65. 
Sckcenocaulon, 63. 
Schollera, 64. 
Schwackza, 23- 
Schweinitzia, 60. 
Scirpus, 91, 233,336. 
Sclerolobium, 135. 
Scolopendrium, 68. 
Scoparia, 61. 
Scoria, 63. 
Scorpiurus, g. 
Scutellaria, 385. 
Sedum, 45, 141, 241, 397- 
Selaginella, 65, 271, 289 
Selaginoides, 65. 
Selinum, 242. 
Selloa, 59- 
Senecio, 138, 183, 243, 264. 
tomyxa, 25. 
Septoria, 32, 82, 85, 198. 
Sequoia, 64, 322, 388. 
Sertula, 56. 
Sesban, 56. 
Sesuvium, 57. 
Setaria, 64, 83, 147, 164, 385. 
meria, 61, 95- 
Sieglingia, 65, 385. 
Beers, 159. 
_ Silybum, 46, 138, 243. 
Simaruba, 343. 
Sphei » 344 
- Spicant (a), 65. 
Creamy a 150, 384. 
: pinacea, . 
Spirea, 72> 87, 236, 241, 348. 
XiV 
Spirangium, 160. 
‘Spiranthes, g, 63, 245, 278, 385- 
Spiraxis, 160. 
Spirogyra, 75, 123. 
Spirophyta, 159- 
Spirostachys, 62, 68. 
Sporobolus, g9, 164. 
Stachys, 244, 279- 
Stanhopea, 261. 
Stanleya, 94. 
Staphylea, 267. 
Statice, 60. 
Staurastrum, 122, 137, 319- 
Stegonospora, 198. 
Steironema, 60. 
Stellaria, 54, 57, 146, 240, 259- 
Stellularia, 54. 
Stemodia, 6r. 
Stemodiacra, 61. 
Stenosiphon, 57. 
Stenosiphonium, 57- 
Sterculia, 343. 
Stereocaulon, 247. 
Stevia, 87. 
Sticta, 180, 248. 
Stictis, 198. 
ere 159- ; 
tipa, 99, 154, 386. 
Stiselobiane, #9 
Streptanthus, 54, 68, 234. 
Streptocalyx, 68. 
Streptopus, 181, 182, 245. 
Stylocline, 196 
Styrax, 235. 
Suzeda, 62. 
Surirella, 28. 
Sweetenia, 30. 
Sweetia, 135. 
Symphoricarpus, 15, 242. 
Symplocarpus, 184. 
Symplocos, 60, 184. 
Synandrospadix, 261. 
Syndesmon, 385. 
Synedra, 28. 
Synphoranthera, 104. 
Synthetospora, 258. 
Syringa, 376. 
Tagetes, 151. 
Talauma, 168. 
Talinum, 383. 
Taphrina, 5. 
Taraxacum, 15, 142, 243- 
Taxodium, 261. 
Taxus, 7, 134, 261. 
Tecoma, 61. 
Tellima, 183, 241. 
‘Tephrosia, 56. 
Terminalia, 237. 
Ternatea, 55. 
Terpsinoe, 28. 
Tessaria, 148. i 
Tetragonanthus, 60. 
Tctralix, 60. 
Tetranthera, 62. . 
Tetraphis, 247. 
Tetraspora, 119. 
Thalictrum, 98, 197. 
Thalysia, 65. 
Thelypodium, 68, 95. 
Theobroma, 95. 
Therofon, 57, 385. 
Thinfeldia, 235, 344. 
Thorea, 236. : 
Thrinax, 104. 
‘Thyrsanthema, 59. 
Thuja, 7, 134, 245. 
Tiarella, 183. 
Tibouchina, 279. 
Tigridia, 384. 
Tilia, 268. 
