48. POPULUS MONOLIFERA, AlT. 

 Cottonwood, Necklace Poplar, White Wood, Big Cottonwood, 



TRANSVERSE SECTION. 



RADIAL SECTION. 



ICENTIAL SECTION 



Rosenkranz-Pappel, eFr. Peuplier, 5p. Alamo de collar. 



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



