150 



INDEX. 



Thelotrema 



Thesium 



ThUpsi 



Thuya 



Thymus 



Tiarella 



Tilia 



Timmia 



Tradescantia 



Tragopogon 



Trichodium 



Trichostcma 



Trichustomum 



Trico;>horuin 



Trient ilis 



Tp folium 



Triglochia 



Trillium 



Triosteum 



T-rijjsacum 



Triticum 



Trollius 



Tropnelum 



Tubercularia 



Tulipa 



Turritis 



Tusbilago 



Typha 



V. 



u. 



Ulmus 



Ulva 



Uhiola 



TJrceolana 



Uredo 



Urtica 



Usnea 



135 Utricularia 

 29 Uvularia 

 73 



111 Vaccinium 



68 Valeriana 



49 Vallisneria 



59 Variolaria 



128 Veratrum 



36 V^rbascum 



85 Verbena 



14 Verbesina 



67 Vernonia 



127 Veronica 



11. Verrucaria 



42 Vexillaiia 



84 Viburnum 



42 Vicia 



42 Vinca 



27 V.ola 



101 Vitis 



14 Vittaria 



64 VV. 



44 Woodsia 



141 Woodwardia 



39 X. 



74 Xauthium 



93 Xanthorhiza 



101 Xylosteum 

 Xylostroma 



SI Xyris 



132 Z. 



15 Zanthoxylum 



136 Zapania 

 141 Zea 



104 Zigadenus 



133 Zizania 



8 

 39 



47 



10 



113 



133 

 41 

 23 

 65 

 95 

 88 

 8 



134 

 82 

 34 

 81 

 25 

 28 

 28 



120 



122 

 121 



105 

 36 

 26 



142 

 11 



115 

 70 



101 

 41 



106 



