BOTANY. 381 



Viola (Puccinia violae). 



Viola hastata (Puccinia hastata Septoria violae). 



Viola palmata (Cercosppra violae). 



Vitis ( Phyllosticta labruscae, Unciuula necator). 



Vitis aestivalis bicolor (Phyllosticta labruscae). 



Waldsteinialragarioides (Septoria waldsteiniae). 



Walnut hulls (old) ( Sphaeropsis pericarpii). 



Walnut leaves (Microstroma juglandis). 



Wheat ( Puccinia rubigovera, Puccinia graminis, Tilletia foetans, Septoria granii- 



num, Ustilago tritici, Septoria tritici, Pyrenophora trichostoma). 

 Willow (Melauipsora salicina, Uncinula salicis). 

 Wood (rotten) (Ceratium hynoides, Monilia aureofulva). 

 Xanthium strumarium ( Vermicularia dematium, Puccinia xanthii). 

 Zea mays (Sphaeria maydis, Ustilago maydis, Puccinia sorghi). 



