Plate IL 



Fig. I. Clerodendron tricJiotomum. a, lower surface of the leaf ; h, longi- 

 tudinal section of the nectary. 



Fig. II. Callicarpa japonica. a, upper surface of the leaf ; h, longitudinal 

 section of the nectar}'. 



Fig. III. Catalpa Kaempferi. a, lower surface of the leaf; h, several 

 nectaries between the veins ; c, section of the nectary. 



Fig, IV. Pauloionia tomentosa. a, upper surface of the leaf; h, longitudinal 

 section of the nectary. 



Fig, V. Tecoma grandiflora. a, stem with leaves ; h, section of the nectary. 



Fig. VI. DierviUa grandißora. a, lower surface of the leaf; &, section of 

 the nectary. 



