362 



GENERA Of 



Scilla, 160 

 Scleria, 174 

 ■ Scleranthus, 89 

 Scolopendrium, 174 

 Scorzonera, 113 

 Scrophularia, 130 

 Scutellaria, 138 

 Secale, 171 

 Sedum, 85 

 Selloa, 113 

 Selinum, 2 

 Senecio, 113 

 Sennebiera, 9 

 Serpicula, see Udora 

 Sesbania, 45 

 Seseli, 3 

 Sesleria, 171 

 Sesuvium, 86 

 Seymeria, 131 

 Shepherdia, 36 

 Shubertia, 145 



Sibbaldia, 41 



Sicyos, 108 



Sida, 19 



Siegesbeckia, 113 



Silene, 81 



Silphium, 113 



Sison, 2 



Sisymbrium, 9 

 t* Sisyrinchium, 154 

 ^ Sium, 2 

 ... Smitacina, see Convallaria 



Smilax, 161 



Smyrnium, 2 



Solanum, 132 



Solea, 74 



Solidago, 113 



Soliva, 113 



Sonchus, 113 



Sophora, 45 



Sorbus, see Pyrus 



Sorghum, 171 



Sparganium, 166 



Sparganophorus, 113 



Spergula, 81 



Spermacoce, 115 

 . Spigelia, 121 



Spirsa, 4 1 

 . Stachys, 138 



Stanleya, 9 

 «••■ Staphylea, 60 



Starkea, 113 



Statice, 110 



Stellaria, 81 



Stenotaphrum, 171 



Stevia, 113 



Styllingia, 55 



Stipa, 111 



Stipulicida, 162 



Stokesia, 113 



Streptopus, 161 



Struthiopterus, 174 



Stuartia, 21 



Stylandra, 118 



Stylophorum, see Meconopsis 



Stylosanthes, 45 



Styrax, 100 

 »»• Subularia, 9 



Swertia, 120 « 



Swictenia, 65 



Syena, 159 < 



«■ Symphoria, 116 

 , ,Symplocarpus, 167 



Synandra, 138 



Talinum, 83 

 •-Tanacctum, 113 

 •• Taxus, 145 

 w Tellima, 24 

 m Tepbrosia, 45 



Tetragonotheca, 113 

 . Teucrium, 138 



Thalia, 156 

 «> Ulialictrum, 3 



Thapsia, see Cymopterua 



Thaspiurn 2 



T^ermia, see Thermopsis 



Xkermopsis, 45 



• Hkesium, see Comandra 



- Thlaspi, 9 

 -Th/iya, 145 



• Thymus, 138 

 *. Tiarella, 24 



Tigarea, see Purshia, i 



^ TJiiia, 20 



Tillaa, 85 



Tillandsia, 148 



Tipularia, 155 



Tofieldia, 158 

 •^ Tradcseantia, 146 



• Trasfopyrum, 92 

 Tiagia, 55 



Trepocarpus, 2 < 



Tribulus, 69 

 Trichonema, 154 

 Trichodium, 171 * 



Trichochloa, 171 , 



Trichophoruvi, see Eriopho- 



■" rum 

 Trichophyllum, 113 

 Trichostema, 138 * 



Tridens, 171 



- Tricntalis, 127 < 

 *» Trifolium, 45 



Trifflochin, 169 



r Fris;onella, see Hosackia 

 ^Trillium, 161 

 ^-Triosteum, 116 

 — Triphora, 155 



Tripsacum, 171 



Triptarella, see Burmannia 



Trisetum, 171 



Triteleija, 160 

 ^Triticum, 171 



Trollius, 3 



Troximon, 113 



Turritis, 9 



Turnera, 76 

 »■ Tussilago, 113 

 » Typha, 166 



Udora, 145 



* Ulmus, 47 

 U-niola, 171 



-» Uraspermum, 2 



Uralepis, 171 

 w Urtica, 46 



Utricularia, 128 

 m Uvularia, 161 

 m Vaccinium, 103 



Vaginaria, 172 

 » Valeriana, 112 



Valerianella, 112 

 « Vallisneria, 145 

 «k Veratrum, 158 

 _ Verbascum, 132 

 % Verbena, 137 



Verbesina, 113 

 ^. Vernonia, 113 



— Veronica, 130 

 wm Ycsicaria, 9 

 ••Viburnum, 116 

 «■ Vicia, 45 



* Villarsia, 120 

 « Viola, 74 



Virgilia, 45 



Viscum, 117 

 ■»■ Vitis, 63 (a) 



Vittaria, 175 



Wendlandia, see Cocculus 



Windsoria, 171 



Hfisteria, 45 

 -T Woodsia, 174 

 — ■ Woodwardia, 174 

 » Xanthium, 113 



Xerophyllum, 158 



* Xanthoxylum, 68 

 M Xylosteum, 116 



- Xyris, 147 

 Zamia, 142 

 Zannichellia, 168 



«» Zanthorhiza, 3 

 Zapania, 137 



*» Zjgadenus, 158 



Zinnia, 113 



Zfzania, 172 

 •• Zizia, 2 



Ziziphus, see Berchemia 



Zj*rnia, 45 



Zpstera, 163 



