Plate III. 



Fig. I. Sapiiim sehiferuvi. a, lower surface of the leaf; h, upper surface, 



showing petiolar nectaries ; c, longitudinal section of the petiolar 



nectary. 

 Fig. II. Prîtnus yedoensis, a, petiole ; h, longitudinal section of the 



petiolar nectary. 

 Fig. III. Excoecaria japonica. a, lower surface of the leaf; h, longitudinal 



section of the nectary. 

 Fig. IV. Aleurites cordata. a, upper surface of the leaf; h, longitudinal 



section of the nectary. 

 Fig. V. Diospyros morissiana. a, lower surface of the leaf ; h, longitudinal 



section of the nectary. 

 Fig. VI, Mallotus japonicus. a, upper surface of the leaf ; h, longitudinal 



section of the nectary. 

 Fig. VII. Idesia polycarpa. a, upper surface of the leaf; h, longitudinal 



section of the petiolar nectary. 



