PLATE XIII. PITCH PINE. 



if buds, X J. 



1. Branch with needles and terminal clust^ 



2. A cluster of three needles, s i. 



3. Tip of a needle with serrate margin, enlarged. 



4. Branch with needles and a closed cone, x I. 



5. An open cone, s h. 



6. Lower side of a cone scale, x I. 



7. Upper side of a cone scale with two winged seeds 

 S. A winged seed, natural size. 



9. A seed, natural size. 



X i. 



