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Structural Characters: Plants 



was described by Correns (77) who gives a striking diagram 

 representing his results. The cross was made between 

 two forms known as Dodartii and -bilulifera, which were 



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regarded by Linnaeus as distinct species. The almost 

 entire-leaved Dodartii has been treated by later authors 

 as a variety QipHulifera. 



