380 



THE EVOLUTION OF OUR NATIVE FRUITS 



shorter, fruits 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. 



Fiu. 90. 

 Rubus argutus, from Florida. 



Var. au'.ints. /.'. villosus var. alliums Bailey, Am. Sard 

 xi. 720 (1890). White Blackberry. 



An occasional form characterized by a lighl green or olive 

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

 albinous form of the blackberry, bul the plants which I have B( i d 



