GREEN LEAF IN A CHERRY BLOSSOM 



In this blossom of a Japanese flowering cherry (much enlarged) the pistil ^as been replaced by 

 two green leaves (a, b). The pistil is the organ which is usually described as the fen^cde 

 pprt of the flower; it includes an ovule, and some apphance for catching pollen grains and 

 Siowing them to fertilize the ovule. It is possible that it is, from an ^^f l°f ^;> P°^"J- 

 of view, a modified leaf: if so, such a phenomenon as is here shown ^^'^^^^ be a case ot 

 reversion. It is also possible that the leaf is a modified pistil. Photograph by Fairchild. 

 (Fig. 7.) 



