29. PRUNUS SEROTINA, EHRH, 

 Wild Black Cherry. 



TRAN8VER8E SECTION, 





RADIAL SECTION. 



TANGENTIAL SECTION. 



Spatbliihende Traubenkirsche, eFt. MMsier, 

 S. Oereza silvestre negra, 



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



