23. LARIX AMERICANA, MICHX. 



Tamarack, American or Black Larch, Hackmatack, 



TRANSVERSE SECTION. 





RADIAL SECTION. 





TANGENTIAL SECTION. 



Amerikanische Larche* Sj), Larice Americana. 



Meleze Americain, 



PUBLISHED -iSD SECTIONS MAPB BY BOMTH B. HO0K, B. A., LcWVIUJB, N. T M U, S. A. 



