12 CIRCULAR NO. 110, BUREAU OF PLANT INDUSTRY. 



great quantity of yellow stamens (fig. 2). The petals fade to a pink 

 as they wither. The flowers have a delicate but peculiar fragrance. 



Considering the wide range of climate to which the different spe- 

 cies of this genus of Asiatic plants is adapted, from the climate of 

 California to that of Maine, the thought has occurred to the writer 



Fig. 2.— Male flowors of the yang-taw. The flowers are pure white when they open but turn pink 

 as they fade. The stamens are bright yellow. Natural-size photograph taken of flowers borne by 

 tlir original introduction of the species (Actinidia chinensis Planch.) into America (S. P. I. No. 

 1 L629) at the Plant Inl reduction Field Station, Chico, Cal., by Dr. Walter Van Fleet, April 18, 1910. 



that the genus ought to be a promising one for the hybridizer to work 

 with. Whether the pollen of male plants of Actinidia chinensis in 

 California can be kept long enough to pollinate the female flowers of 

 A. arguta in Massachusetts can be easily determined, and. if not, the 

 cultivation of the different species side by side in regions where both 

 will flower is a possibility. 



[Cir. 110] 



