LUTHER BURBANK 
selves among well-prized fruits of orchard and 
market. And there are others yet to come. 
Meantime I should not like to predict as to 
which among the fruits that now are confined 
solely to the region of the Gulf of Mexico and to 
Southern California as their northern limits, may 
not within a century be growing and bearing 
luxuriantly in the region of the Great Lakes. 
[END oF VoLuME IV] 
—It should be recalled that 
all of our fruits, even the 
hardiest ones that now pene- 
trate to the Arctic zone, must 
have come originally from the 
tropics. 
