BLACK SPRUCE. SWAMP SPRUCE. 



Picea Mariana (Mill.) B. S. P.^ 



( 



Fig. 30. Branchlets with cones, i ; scale of cone, under side showing bract, 2 ; do, upper side, 

 showing seeds, 3 ; separated seeds, 4 ; end of a terminal shoot, 5 ; leafless branchlet enlarged ta 

 show pubescence, etc., 0- 



31. Trunk with spray of foliage at base. Near Lake Placid, N. Y. 



