94 



EVOLUTION AND ANIMAL LIFE 



resulted in the origination and introduction of a score of new 

 commercial varieties, mostly obtained through various hybridi- 

 zations of dewberries, blackberries, and raspberries. 



* 



fc 







FIG. 60. Seedlings of one kind of hybrid plum: colors almost black, deep crimson, 

 light crimson, scarlet, deep yellow, and shades of orange and yellow, green striped, 

 spotted and speckled; long and short stems; sweet, sour, bitter, good, bad, and 

 indifferent, firm and soft; flesh, yellow, white, pink, red, crimson, striped, and 

 .shaded; stones of various shapes and sizes, large, small, oval, round, of different 

 colors, some clingstones, some freestones; foliage varying as much as the rest, and 

 growth from short and stalky and dwarf to rampant exuberance. (.Photograph by 

 Bui-bank; about one-quarter diameter.) 



