10 



INDEX. 



Triphora 



Trip.srtcum 



Ti-iptcreUa 



Trisetum 



Triiicuni 



Trolhus 



Troximon 



Tun-itis 



Turnera 



Tussiloag"o 



Typha 



TJcIora 



L'lmus 



Uniola 



Uraspermum 



Uralepsis 



Urtica 



Utricularia 



Uvularia 



u 



192 



85 



21 



61 



88 



. 22 



]27 



71 



204 



165 



202 



ii. 242 



201 



69 



192 



62 



ii. 207 



12 



224 



Virgilia 

 Viscum 



Vitjs 

 Vittaria 



w 



Wendlaiidia 



VViiidsoria 



Wisteria 



Woodsia 



Woodvvardia 



Xanthium 

 Xerophyllum 

 Xylosieum 

 Xvris 



Yucca 



ii. 186 



234 



133 



30 



218 



Vaccinium 

 Vagi n aria 

 Valeriana 

 , Valisnerla 

 Veratrnm 

 Verbasciun 

 Verbena 

 Verbesina 

 Vernonia 

 Veronica 

 Viburnum 

 Vic, a 

 Villa rsia 

 Viola 



263 



37 



20 



230 



233 



loo 



40 



170 



233 



6 



202 



97 



120 



147 



Z 



Zamia 



Zannich.cnia 



Zanthorhiza 



Zanthoxylum 



Zapania 



Zea 



Zigadenus 



Zinnia 



Zizania 



Zizyplius 



Zornia 



Zostera 



ii. 2U1 



