222 BULLETIN 190, UNITED STATES NATIONAL MUSEUM 



Viburnum dentatum L. 



Synanthedon viburni Engelhardt, 96. 

 Virginia -creeper. (See Parthenocissus guinquefolia.) 

 Virgins-bower. (See Clematis spp.) 

 Vitis L. 



Vitacea, new genus, 151. 



Vitacea admiranda (Hy. Edwards) ? ?, 1.57. 



Vitacea cupressi (Hy. Edwards), 155. 



Vitacea polistiformis polistiformis (Harrisl, 152. 

 Vitis labnisca L. 



Vitacea cupressi (Hy. Edwards), 155. 



Vitacea polistiformis politiformis (Harris), 152. 

 Willow. (See Salix.) 



Willow, dwarf prairie. (See Salix tristis.) 

 Willow, sage. (See Salix tristis.) 

 Willow-herb. (See Chamaenerion angnstifolium.) 

 W issadula lozanii Rose = Pseudabutilon losanii (Rose) R. E. Fries. 



Zenodoxus wissadulae, new species, 195. 

 Wormwood. (See Artemisia.) 



aXi. S. Government Printing Office : 1946—665217 



