21. ABIES CANADENSIS, MICHX. 



Hemlock, Hemlock Fir, 



TRANSVERSE SECTION. 



RADIAL SECTION. 



TANGENTIAL SECTION. 



ScMerling-Tanne, $4* Peruche. f), Abeto Canadense, 



PUBLISHED AMD SBCTIONS KADB BT ROMBTN B. HOUOH, B. A., LCWVUOJS, N. Y., U. 3. A. 



