BALSAM FIR 



ffl 



(ft 



VI 



1. Winter branchlet, x 1. 



2-3. Leaves, x 2. 



4. Cross-section of leaf, enlarged. 



5. Unopened rone, x 1. 



6. Cone-scale with seeds, x 1. 



(From Otis: Mich. Trees) 



—30- 



