American Horticultural Society, October 1952, pg. 237-259; Concerning Rex Begonia, by B. Y. Morrison The following descriptions are recorded from observation notes made of the living collection during 1951-1952: Grayson. Large leaves, general effect is silver green with small dark center peppered over with silver dots and dark brown toned edge invaded by silver dots from center. Two plants were received under this name, the chief difference being in the coarser dots of the second plant.
