ne(:takip> on a cukkky i.kaf 



Photograjih showing, greatly enlarged, a jwrtion of the flower edge and petiole or leaf-stem 

 of a Japanese flowering eherry leaf. Projecting from the lower edge of the leaf, looking 

 like a small acorn, is an extra-floral nectary. The acorn cup is the nectary and what looks 

 like the acorn is a drop of nectar which has exude. 1 and has not yet been lapped up by 

 some hnngrv ant. Down on llie leaf-stem are two ini>rc large nectaries. (Fig. 1-1.) 



