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parted corolla, a four-parted androecium, and a four carpellary 

 pistil. Thus the typical form, of the violet flower has been 

 changed to one that is not only perfectly regular but also uniform 

 in all of its parts. 



Fig. I. A plant of Viola primulaefoUa Linn, bearing the modified flowers. 



The original plant bearing these unique flowers was discovered 

 in May, 1912, on the bank of Rocky Branch at West Raleigh, 

 North Carolina, and it proved to be the only plant, among 

 hundreds of others of the same species, that exhibited this 

 peculiarity. Most of the flowers were peloric in form but the 

 majority of them were of the incomplete type. The evidence 

 then at hand suggested that a new regular violet flower, one 



