233. JUGLANS RUPESTRlS Engelm 



Mexican Walnut, Arizona Walnut. 



HBBi 



TRANSVERSE SECTION 



RADIAL SECTION, 



TANGENTIAL SECTION 



Arizonische Walnussbaum. Fr t Noyer d'Arizon 

 '/ Nogal de Arizona, 



Publihd and sactionc made bu 



