1960] 



MORPHOLOGY AND RELATIONSHIPS OF DIOMMA 



49 



Fig. 5. A, B, Diomma species B, wood. A, Transection to show uniseriate banded axial 

 parenchyma p, and pores in radial multiples. B, Tangential section illustrating uni- and 

 biseriate condition of vascular rays and oblique end walls of vessel elements, X 98. C, D, 

 Sohnreyia excelsa, wood. C, Transection to show 2-4-cell wide condition of the banded axial 

 parenchyma p, and pores in radial multiples D, Tangential section illustrating bi- and 

 triseriate vascular rays, X 98. 



