324 LUTHER BURBANK 



suggested by the frequency with which we find 

 plants of the same species putting forth flowers 

 different in hue. 



We cite a few instances, taken quite at ran- 

 dom. They will suggest the extent to which one 

 color may do service for another in the same 

 species; suggesting also the probability that 

 hereditary factors for all the colors mani- 

 fested by different specimens of a species are 

 well represented, at least in a latent condition, 

 in the germ plasm of all specimens of the 

 species. 



The Nemophila, a common wild plant in Cali- 

 fornia, has flowers that are generally clear, pure, 

 sky-blue, but this varies in different localities 

 through all shades to snow-white. Pink varieties 

 are occasionally seen. Sometimes also the blue 

 flowers are edged with white; and on occasion 

 one sees white flowers with a blue edging, and 

 sometimes a shade of yellow. 



The coast tree lupine (Lupinus arbor eus), 

 another wild plant, bears spikes of brilliant yel- 

 low flowers. But these may vary from lemon 

 yellow to sulphur yellow, brownish yellow, 

 smoky yellow, reddish, pale blue, yellowish blue, 

 dark blue, and pure white. Bright yellow is the 

 typical or usual color, and white is quite rare. 

 The other colors are not unusual. 



