Pl. XV. Croton arboreus Millsp. 



Portion of plant, natural size. 



Male flower, under side, enlarged. 



Male sepal and petal. 



Stamen and rudiment. 



Female sepal and petal. 



Gland. 



Ovary in section. 



Pistil. 



Hair of ovary, magnified. 



Lepidote scale of leaf, magnified. 



(See page 303.) 



