xxxj 



COLPOXYLON 



143 



Rg. 435. Colpoxylon aeduense. A. Diagram of a transverse section of a specimen 

 in the British Museum. (V. 9393. J nat. size.) B. Stele; much reduced 

 from Renault's figure. C, D. Secretory canal with fibres and collateral 

 vascular bundle (Kidston Coll., 1946). 



Fig. 436. Colpoxylon aeduense. Transverse section of halt of the stem; a, stele 

 of branch. Shghtly enlarged. (Kidston CoU., 1946.) 



