247. PICEA ENGELMANNI Engelm 



Engelmann Spruce, Rocky Mountain Spruce 



TRANSVERSE SECTION 



RAVIAL SECTION. 



TANGENTIAL SECTION 



Tanne von Engelmann. fr. Sapin d'Engelmann, 



>/ Abeto de Engelmann. 



Publihd and cawnc mad* by Romtyn 8. Houfh, B. A., L*wviH, N. Y U. S. 



