SPRUCE. 



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Plate 10. Picea excelsa. Norway Spruce. 



1. Branch bearing staminate flowers, one-half natural size. 2. Branch bear- 

 ing pistillate flower, one-half natural size. 3. Winter branch showing buds, one- 

 half natural size. 4. Scale of pistillate flower, front view, enlarged. 5. Scale of pis- 

 tillate flower, rear view, enlarged. (5. Scale of pistillate flower, side view, enlarged. 

 7. Bract of pistillate flower, enlarged. 8. Anther, side view, enlarged. 9. Fruit- 

 ing branch, one-half natural size. 10. Scale of cone with seeds attached, one-half 

 natural size. 11. Seeds with wings attached. 12. Seed, natural size. 13. Seed- 

 ling, one-half natural size. 14. General view of tree showing drooping branches 

 and pyramidal form. 



