251 



Sophora 



Sorbus 



Sorghum 



Spathyema 



Sparganium 



Spartina 



Specularia 



Spergula 



Spergularia 



Spermacoce 



Spermolepis 



Sphacele 



Sphaeralcea 



Sphaeromeria 



Sphaerostigma 



Sphenoclea 



Spiesia 



Spigelia 



Spilanthes 



Spiraea 



Spiraea 



Spiranthes 



Spirodela 



Spirostachys 



Sporobolus 



Sporobolus 



Spraguea 



Stachys 



Stachytarpheta 



Stanfordia 



Stanleya 



Stapfia 



Staphylea 



Statice 



Steironema 



St e liar i a 



Stellariopsis 



Stemodia 



Stenandrium 



Stenanthium 



Stenolobium 



Stenophragma 



Stenophyllus 



Stennorhynchus 



Stenosiphon 



Stenotaphrum 



Stenotus 



Stephanomeria 



Stevia 



Stillingia 



Stipa 



Stipulicida 



Stokesia 



Streptanthus 



Streptopus 



Stropholirion 



Strophostyles 



Strumpfia 



Struthiopteris 



Stuartia 



Stylocline 



Stylophorum 



Stylosanthes 



Styrax 



Suaeda 



Subularia 



107 



99 



18 



44 

 15 

 17 

 197 

 76 

 76 



193 

 149 

 178 



227 

 146 

 197 

 118 



159 

 218 

 98 

 104 

 56 

 44 

 69 



24 

 25 



71 

 177 



175 



92 



85 



29 



130 



158 



157 



74 



103 



186 



191 



47 



191 



90 



37 

 56 



147 

 22 



205 



233 

 198 



127 



23 

 76 



198 

 85 

 53 

 50 



122 



193 

 II 



136 



213 



84 



119 



158 



69 



86 



Suckleya 



Suksdorfia 



SuUivantia 



Suriana 



Swertia 



Swietenia 



Sympetaleia 



Symphoricarpos 



Symphytum 



Symplocarpus 



Symplocos 



Synandra 



Synedrella 



Syndesmon 



Synosma 



Syntherisma 



SyntWipsis 



Synthyris 



Syntrichopappus 



Syringa 



Taeniopleurum 



Taenidia 



Taenitis 



Ta^etes 



TaUnopsis 



Talinum 



Tamarix 



Tanacetum 



Taraxacum 



Taraxia 



Taxodium 



Taxus 



Tecoma 



Tectaria 



Telanthera 



Tellima 



Tephrosia 



Terminal ia 



Tetraclea 



Tetradymia 



Tetragonanthus 



Tetragonotheca 



Tetramerium 



Tetraneuris 



Teucrium 



Thalictrum 



Thalesia 



ThaHa 



Thamnosma 



Thaspium 



Thelesperma 



Thelypodium 



Thermopsis 



Therofon 



Thespesia 



Thiaspi 



Thrinax 



Thryallis 



Thuja 



Thurberia 



Thurovia 



Thymophylla 



Thymus 



Thyrsanthema 



Thysanocarpus 



68 

 94 

 94 

 124 

 160 



125 

 140 

 194 

 173 



44 

 158 

 176 

 219 



80 

 229 



21 



88 

 187 

 223 



159 



150 



150 



12 



225 



72 



72 



137 

 225, 226 



234 

 146 



15 



14 



191 



10 



70 



95 



"3 



143 



175 



229 



161 



216 



191 



224 



175 



82 



190 



55 

 124 



151 

 219 



85 

 107 



94 



136 



86 



43 

 123 



15 

 25 

 206 

 226 

 179 

 232 

 90 



