36 



INDEX. 



Sambucus 



33 



Sphagnum 



81 



Trlsetum 



Samolus 



25 



Sphergula 



44 



Triticutn 



Sanguinaria 



49 



Spermacoce 



22 



Troximon 



Sanguisorba 

 Sanicula 



22 



Spiraea 



47 



Tubercularia 



31 



Stachys 



53 



Tuber 



Saponaria 



43 



Staphylea 



33 



Typha 



Sarracenia 



49 



Statice 



34 



U, 



Sarothra 



33 



Stellaria 



43 



Udora 



Satyrium 



69 



Stemonites 



87 



Ulva 



Saururus 



38 



Sticta 



86 



Ulmus 



Saxifraga 



43 



Stereocaulon 



86 



Uniola 



Scandix 



32 



Stipa 



20 



Ura^permum* 



SchenodoruS 



19 



Stylosanthes, 



60 



Uralepsis 



Schoenus 



12 



Swertia 



29 



Uredo 



Schollera 



12 



Symplocarpus 



23 



Usnea 



Scirpus 



13 



T. 





Urtica 



Scleria 



72 



Tanacetum 



64 



Utricularia 



Scleranthus 



43 



Taxus 



78 



Uvularia 



Scrophularia 



55 



Tephi'osia 



61 



V. 



Scutellaria 



54 



Tetraphis 



81 



Vaccinium 



Senecio 



65 



Teucrium 



52 



Vallisneria 



Scrpicula 



72 



Thalictrum 



51 



Variolaria 



Serratula 



63 



Thapsia 



32 



Verbascum 



Setaria 



17 



Thaspium 

 Thesium 



33 



"Verbena 



Sicyos 



76 



26 



Verbesina 



Sida 



58 



Thlaspi 



56 



Vcrnonia 



Silene 



43 



Thuya 



76 



Veronica 



Sinapis 



57 



Tiarella 



43 



Verrucaria 



Sison 



32 



Tilia 



49 



Viburnum 



Sistotremo 



88 



Tortula 



82 



Vicia 



Sisymbrium 



57 



Tradescantia 



14 



Villarsia 



Sisyrinchium 



12 



Tragopogon 



62 



Viola 



Stum 



32 



Tricliodium 



15 



Vitis 



Smilacina 



35 



Trichostomum 



82 



W. 



Smilax 



77 



Trichophorum 



14 



W indsoria 



Smymium 



32 



Trichostema 



54 



Woodwardia 



Solanum 



27 



Tridens 



19 



X. 



Solidago 



66 



Trientalis 



38 



Xanthium 



Sonchus 



62 



Tri folium 



61 



Xerophyllum 



Sparganium 



71 



Triglochin 



37 



Xyris 



Snartina 



14 



Trillium 



37 



Z. 



Spergulastrum 



43 



Triosteum 



26 



Zizania 



Sphaeria 



87 



Tripsacum 



71 



Zostera 



