16 Journal of the Asiatic Society of Bengal. [January, 1908. 
For the matter in hand the discussion may be limited 
to the eerne of be two species, G. indicum and G, neglectum, 
which have been raised from seed yielded by flowers so protected 
that self. fertilization is assured, In the following diagram 















































































































































































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Serials 1-18, Value of Leaf-factor, Z 

