Hume: A Kaki Classification 



405 



ALL THE FLESH DARKENED. 



The normal complement of seeds in the Kaki is eight. When this variety 

 (Zengi) develops seven (or eight) seeds, all its flesh is darkened; while, as 

 has been shown in the previous illustrations, the development of a smaller 

 number of seeds darkens only part of the flesh, which is altogether light- 

 colored if the fruit develops no seeds at all. Zengi is, therefore, a type of 

 the Pollination Variant class. (Fig. 10.) 



A POLLINATION CONSTANT. 



The variety Tsuru, here shown, behaves quite differently from Zengi, when pollinated. Its 

 flesh is normally light in color, and the presence or absence of seeds has no effect on this 

 color. Tsuru, therefore, undoubtedly falls in the class of Pollination Constants. Why 

 should there be two groups of varieties in the species Diospyros kaki, behaving so differently 

 when pollinated ? Mr. Hume thinks it may be that they are really distinct species, which 

 have become united under cultivation. (Fig. 11.) 



