76 



SPRUCE 



Fig. 78. Spruce, Picea excelsa, Lk. 1, shoot with male flowers, and 

 at 12, a Chermes gall ; 2, female cone terminating a shoot ; 3, ripe cone ; 

 4, 5 and 6, cone-scales ; 7, seeds ; 8, stamens ; 9, leaf and its trans- 

 verse section ; 10 and 11, seedling (Wi). 



