

PLATE XVIII. SCOTCH PINE. 



1. A brancb with needles and buds, x J. 



2. A cluster of two needles, x J. 



S. Cross-sectioD of two needles, enlarged. 



4. Branch with needles; i, immature cone; m. mature cone 



5. A clo.s;ed cone, x i. 



6. A cone scale wilb two winged seeds, enlarged. 



7. A winged seed, enlarged. 



8. A seod. enlarged. 



9. A seedling, natural size. 



10. A small portion of a branch with two pistillate flowers. 



X i. 



X i. 



11. A branch with a cluster of staminate flowers at the base of tbe new growth, x J. 



