THE EVOLUTION OF OUR NATIVE FRUITS 



shorter, 'raits rounded and looser, with larger drupelets. This 

 is the nondescript blackberry of open fields, and is the parent 

 of the larger part of the short-cluster or garden blackberries, of 

 which the Snyder and the Kittatinny are the leading examples. 



Fig. 90. 

 Kubus argutus, from Florida. 



Var. ALBINUS. X. viUosus var. alblnus Bailey, Am. Gard 



xi. 720 (1890). White Blackberry. 



An occasional form characterized by a light green or olive 



color of the bark and amber-colored fruits. It is probably an 



Ibinous form of the blackberry, but the plants which I have seen 



