144.
Sium, 412.
Sloetiopsis, 164.
Smeathmannia, 370.
Smelophyllum, 339.
SMILACEAE, 125.
Smilax, 131.
Smithia, 269, 284, 286.
Smodingium, 328.
Smyrnium, 407.
Socotora, 442.
Socotranthus, 444.
SOLANACEAE, 57, 58, 59, 62, 481, pl. 135.
Solanum, 483.
Solenanthus, 466.
Solenixora, 520.
Solenostemma, 446.
Solenostemon, 475.
Solidago, 573.
Soliva, 566.
Somalia, 507.
Sonchus, 547.
Sonneratia, 385.
SONNERATIACEAE, 39, 385.
Sophora, 258, 259.
Sopubia, 486.
Sorbus, 240.
Sorghum, 87.
Sorindeia, 327.
Sorocephalus, 171.
Soulamea, 300.
Soyauxia, 369.
Spallanzania, 530.
Sparaxis, 142.
SPARGANIACEAE, 2, 73.
Sparganium, 73.
Sparganophorus, 569.
Sparmannia, 350.
Spartina, 81.
Spartium, 266.
Spartocytisus, 266.
Spatalla, 171.
Spatallopsis, 171.
Spathionema, 261.
Spathodea, 495.
Spathulopetalum, 612.
Specularia, 543.
Speirostyla, 349.
Spergula, 194.
Spergularia, 194.
Spermacoce, 522.
Spermacoce, 522.
Spermacoceoides, 522.
Sphacele, 475.
Sphacophyllum, 554.
Sphaeralcea, 352.
Sphaeranthus, 558.
Sphaerocephalus, 549.
Sphaerocodon, 456.
Sphaerocoma, 193.
Sphaeroma, 352.
Sphaerosepalum, 366.
Sphaerosicyos, 540.
Sphaerostylis, 312.
Sphaerothylax, 231.
Sphedamnocarpus, 307.
Sphedamnocarpus, 307.
Sphenandra, 492.
Sphenocentrum, 202.
Sphenoclea, 542.
SPHENOCLEACEAE, 541.
Sphenogyne, 580.
Sphenopus, 102.
Sphenostylis, 278.
Spilanthes, 582.
Spinacia, 181.
Spiraeea, 241.
Spiranthes, 155.
Spirodela, 119.
Spiropetalum, 244.
Spirospermum, 201.
Spirostachys, 610.
Spitzelia, 546.
Spondianthus, 328, 611.
Spondias, 328.
Spondias, 328, 329.
Spondiopsis, 328.
Sponia, 164.
Sporobolus, 95.
Staavia, 237.
Staberoha, 120.
Stachyanthus, 333.
Stachyothyrus, 250.
Stachys, 479.
Stachytarpheta, 468.
Stadmannia, 338.
Staehelina, 551.
Stangeria, 69.
Stapelia, 455.
Stapfiola, 93.
Staphylosyce, 539.
Staphysora, 322, 611.
Stathmostelma, 449.
Statice, 421.
Staudtia, 207.
Staurogyne, 503.
Stearodendron, 361.
Steirodiscus, 565.
Stellaria, 194.
Stellularia, 485.
Stemodia, 494.
Stemodiacra, 494.
Stemodiopsis, 495.
Stemonocoleus, 252.
Stenadenium, 310.
Stenandriopsis, 509.
Stenanthera, 204.
Stenocline, 562, 563.
Stenoglottis, 153.
Stenolirion, 138.
Stenolobium, 496.
Stenonia, 319.
Stenophragma, 218.
Stenosemis, 409.
Stenostelma, 450.
Stenotaphrum, 80.
Stephania, 200.
Stephanocoma, 548.
Stephanodaphne, 381.
Stephanolepis, 570.
Stephanorossia, 611.
Stephanostegia, 441.
Stephanostema, 433.
Stephanotis, 453.
Stephegyne, 530.
Sterculia, 354.
Sterculia, 354.
STERCULIACEAE, 13, 14, 19, 20, 26, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 51, 61, 62, 63, 354, pl. 94.
STERCULIACEAE, 353.
Stereochlaena, 81.
Stereospermum, 496.
Sternbergia, 137.
Stevensonia, 113.
Stiburus, 103.
Stichorchis, 156.
Stictocardia, 461.
Stilbe, 468.
Stillingia, 318.
Stilpnogyne, 575.
Stilpnophytum, 579.
Stipa, 95.
Stipularia, 530.
Stironeurum, 423.
Stizolobium, 268.
Stobaea, 548.
Stoebe, 562.
Stolidia, 174.
Stomatostemma, 445.
Stomotechium, 466.
Streblocarpus, 214.
Strelitzia, 145, pl. 23.
Strephonema, 389.
Streptanthera, 142.
Streptocarpus, 501, pl. 140.
Streptogyne, 92, 101.
Streptopetalum, 374.
Striga, 485.
Strigina, 485.
Strobilanthes, 506.
Strobilanthopsis, 506.
Strombosia, 174.
Strombosiopsis, 174.
Strongylodon, 280, 281.
Strophanthus, 434.
Strumaria, 136.
Struthiola, 381.
Strychnopsis, 203.
Strychnos, 429.
Stuhlmannia, 253.
Stupa, 95.
Styasasia, 510.
Stylapterus, 380.
Stylarthropus, 505.
Stylidium, 389.
Stylochiton, 115.
Stylocoryne, 528.
Stylosanthes, 268.
STYRACACEAE, 22, 425.
Suaeda, 179.
Subularia, 228.
Succisa, 535.
Succowia, 226.
Suffrenia, 384.
Suregada, 318.
Suriana, 299.
Sutera, 493.
Sutera, 492, 493.
Sutherlandia, 287.
Swartzia, 249.
Sweertia, 430.
Swietenia, 393.
Swynnertonia, 452.
Sylitra, 271, 275.
Symmeria, 178.
Symphonia, 362.
Symphostemon, 474.
Symphyochlamys, 353.
Symphytonema, 443.
Symphytosiphon, 304.
Symphytum, 465.
Sympieza, 416.
Symplectochilus, 513.
Synadenium, 310.
Synaptolepis, 381.
Syncephalum, 562.
Synchodendron, 556.
Synchoriste, 510.
Synclisia, 202.
Syncolostemon, 473.
Syndesmanthus 416.
Synedrella, 581.
Syngonanthus, 121.
Synnema, 504.
Synnotia, 142.
Synsepalum, 423.
Syntherisma, 82.
Syntriandrium, 200.
Syringodea, 140.
Syrrheonema, 202.
Syzygium, 392.

Tabebuia, 497.
Tabernaemontana, 437, 439, 440.
Tabernanthe, 436.
Tacazzea, 443, pl. 130.
Tacazzea, 442, 444, 445.
Tacca, 139.
TACCACEAE, 6, 139.
Tachiadenus, 430.
Taenosapium, 318.
Tagetes, 584.
Talinella, 190.
Talinum, 191, pl. 44.
Talisiopsis, 342.
TAMARICACEAE, 22, 25, 364, pl. 101.
Tamarindus, 256.
Tamarix, 364, pl. 101.
Tamatavia, 528.
Tambourissa, 209.
Tamnus, 140.
Tamus, 140.
Tanacetum, 566, 578.
Tanghinia, 437.
Tannodia, 312, 610.
Tannodia, 610.
Tanulepis, 443.
Tapeinanthus, 135.
Tapeinostelma, 457.
Tapura, 309.
Taraxacum, 546.
Tarchonanthus, 556.
Tardavel, 522.
Tarenna, 526, 528.
Tavaresia, 454.
Taverniera, 271, 281.
TAXACEAE, 1, 70.
Taxus, 70.
Teclea, 297.
Tecmarsis, 557.
Tecoma, 495, 496.
Tecomaria, 495.
Tectona, 470.
Teedia, 492.
Teesdalia, 228.
Telanthera, 183.
Telephium, 194.
Telfairia, 536.
Teline, 266.
Telosma, 453.
Temnolepis, 582.
Temnopteryx, 530.
Tenagocharis, 77.
Tenaris, 457.
Tenaris, 457.
Tephrosia, 272, 273, 275, 276, 282, 284, 287.
Tephrothamnus, 264.
Teramnus, 267.
TEREBINTHACEAE, 301, 325.
Terminalia, 391.
TERNSTROEMIACEAE, 347, 360.
Tessmannia, 256.
Testudinaria, 140.
Tetracarpidium, 312.
Tetracera, 358, pl. 96.
Tetrachaete, 84.
Tetrachne, 93.
Tetrachne, 93.
Tetraclinis, 71.
Tetraclis, 424.
Tetradenia, 476.
Tetradiclis, 293.
Tetragonia, 190.
Tetragonolobus, 260.
Tetranthera, 210.
Tetraphyllaster, 395.
Tetrapleura, 246.
Tetrapogon, 92.
Tetraria, 107.
Tetraria, 108.
Tetraspidium, 485.
Tetrastemma, 205.
Tetrastigma, 529.
Tetrataxis, 385.
Tetratelia, 215.
Teucrium, 471.
Thalassia, 78.
Thalia, 148.
Thalictrum, 198.
Thaminophyllum, 580.
Thamnea, 236.
Thamnochortus, 120.
Thamnochortus, 120.
Thamnosma, 295.
Thamnus, 416.
Thapsia, 404.
Thapsia, 404.
Thaumatococcus, 148.
Thea, 360.
THEACEAE, 32, 33, 34, 35, 36, 37, 38, 40, 63, 360, pl. 98.
Thecacoris, 320, 322, 611.
Thecacoris, 611.
Thelepogon, 86.
THELIGONACEAE, 187.
Theligonum, 187.
Themeda, 87.
Theobroma, 356.
Theodora, 254.
Thesidium, 172.
Thesium, 172.
Thespesia, 353.
Thespesocarpus, 425.
Thevetia, 437.
Thiegemella, 421.
Thiegemopanax, 401.
Thismia, 150.
Thlaspi, 228.
Thomandersia, 510.
Thomassetia, 360.
Thonnera, 205.
Thonningia, 176.
Thoracosperma, 416.
Thoracostachyum, 107.
Thorncroftia, 612.
Thrincia, 546.
Thuarea, 80.
Thunbergia, 503.
Thunbergia, 503.
Thunbergianthus, 486.
Thylachium, 213.
Thymelaea, 383.
THYMELAEACEAE, 10, 12, 19, 29, 51, 380, pl. 109.
Thymus, 480.
Thymus, 480.
Thyrsodium, 327.
Thysanolaena, 83.
Thysanurus, 558.
Tieghemella, 421.
TILIACEAE, 13, 27, 31, 32, 33, 34, 37, 38, 41, 348, pl. 91.
TILIACEAE, 347.
Tiliacora, 201, 202, 203.
Tillaea, 232.
Timonius, 518.
Tina, 340.
Tinea, 152.
Tinguarra, 406.
Tinnaea, 478.
Tinnea, 471.
Tinopsis, 339.
Tinospora, 201.
Tinospora, 201.
Tisonia, 373.
Tissa, 194.
Tittmannia, 236.
Todaroa, 410.
Toddalia, 298.
Toddalia, 297, 298.
Toddaliopsis, 298.
Tolpis, 547.
Tordylium, 408.
Torenia, 494.
Torilis, 404.
Tornabenea, 404.
Torulinium, 109.
Tounatea, 249.
Tournefortia, 463.
Tournesolia, 311,