41. OSTRYA VIRGINICA, WlLLD, 

 Hopflornbeam, Iron-wood, Lever-wood, 



TRANSVERSE SECTION. 



RADIAL SECTION. 



TANGENTIAL SECTION. 



Amerikanische Eopfenbuche. 



S. Ojaranzo de lupulo. 



. Bois dur, 



PuWUhed and Sections made by Romeyn B. Hough, B. A., Lowvllle, N. Y., U. S. A. 



