LUTHER BURBANK 



are occasionally seen. Sometimes also the blue 

 flowers are edged with white; and on occasion one 

 sees white flowers with a blue edging, and some- 

 times a shade of yellow. 



The coast tree lupine, another wild plant, bears 

 spikes of brilliant yellow flowers. But these may 

 vary from lemon yellow to sulphur yellow, brown- 

 ish yellow, smoky yellow, redish, pale blue, yel- 

 lowish 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, 



The Limnanthus douglasii is a wild swamp 

 plant the flowers of which sometimes seem to 

 carpet the ground. The upright, bell-shaped flow- 

 ers are usually milk white. But I have received 

 specimens from the Sierras that were yellow. 



The beard-tongue, a relative of digitalis, of the 

 species known as Pentstemon barbatus, has flow- 

 ers that vary from scarlet to almost pure yellow 

 and white. 



The crimson clarkia and the bluebell have 

 flowers the colors of which are indicated by their 

 respective names; but both on occasion produce 

 blossoms that are pure white. Everyone knows 

 that the heliotrope, the lilac, and the violet, among 

 cultivated flowers, are often represented by white 

 forms and the violet by other colors. The same 

 is true of the whitelaria, the typical flowers of 



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