JEHANGIR FARDUNJI DASTUR 



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In the author's opinioii, these differences and those found from tne study 

 of pure cultures are not enough to justify the making of a new species, of the 

 PhytojMiora on Vinca rosea. Cumulative evidence shows that it is only a 

 biologic variety of Phytophthora farasitica Dast. on castor. 



