LUTHER BURBANK 
ing—has hitherto been done in this line, that the 
field may be said to be almost virgin. Opportunity 
beckons the would-be plant developer alluringly. 
And, fortunately, this is a case where the 
material for experimentation is freely available. 
Apples, pears and quinces grow in thousands of 
dooryards. Thousands of men and women might 
test their mating possibilities. There will be 
stimulus of novelty and the lure of unknown goals 
in such an endeavor. 
—There are eight thousand 
named varieties of the apple, 
but who shall estimate the 
uncounted opportunities for 
further apple improvement? 
