XXXIIl] 



DADOXYLON 



257 



A B 



FIG. 474. Dadoxylon materiarum. Transverse (A) and tangential (B) sections 

 of the secondary xylem. (Kidston Coll. 222, 224.) 



ABC 



FIG. 475. Dadoxylon materiarum. A C radial longitudinal sections of the 

 secondary xylem. (Kidston Coll. 225.) 



S. in 



17 



