191 



Coniferous 



trees. The balsam firs (A . bahamica, pectinata, 



are almost similar in habit. A. pectinata is the tallest and 



most valuable of them, while A. piclita, the Siberian bal- 



FIQ. 98. WHITE SILVER FIR (ABIES CONCOLOR). 



sam fir, is the most ornamental, with rather long, crowded 

 leaves. The leaves of all are of a dark and lustrous green on 

 the upper surface, and more or less silvery beneath. The 



