Fig. 5. Ptychocoleus heterophyllus Evans 

 A. Part of a branch, the apical portion specialized, X 40. B. Two vegetative 

 leaves, dorsal view, X 40. C. Specialized branch, lateral view, X 40- ^- Part of 

 plant, including a male inflorescence, the male bracts numbered I-15, ventral view, 

 X 40. E. Cells from middle of lobe, X 300. F. Part of lobular margin, the 

 apical tooth at right, X 225. G. Male bract, X 40- H. Caducous leaves, X 40. 

 /. Caducous leaf bearing a new shoot, X 50. /. Ventral view of the same shoot, 

 X 50. A, B, E and F were drawn from the type specimen; C, H, I and J, from the 

 specimen collected by Mr. Rapp in 1912; D and G, from the Honduras specimen. 



