ABIES. 



219 



often sixty feet high, beset above with knots among its 

 scragged branches. The leaves are short-linear, silvery 

 beneath, on delicate petioles, spirally arranged, yet so 



PIG. LVTII. Abies Canade"nsis : 1, a branch with fertile flowers at $ , and sterile 

 at $ ; 2, a scale, with its short bract ; 3, a cluster of flowers (stamens) ; 4, a scale 

 with its 2 perfected, winged seeds, seen from within. 



inclined to a horizontal position as to appear 2-ranked on 

 the slender spray. The $ aments are very small, scarcely 



