MAPLE. 341 
of) of) 
1. Branch bearing staminate flowers, one-half natural size. 2. Branch 
bearing pistillate flowers, one-half natural size. 3. Fruiting branch, one- 
half natural size. 4. Staminate flower, enlarged. 5. Vistillate flower, en- 
larged. 6. Pistil, enlarged. 7. Longitudinal section of pistillate flower, en- 
larged. 8. Longitudinal section of samara, one-half natural size. 9. 
Longitudinal section of seed, enlarged. 10. Embryo, enlarged. 11. Km- 
bryo, displayed, enlarged. 
Plate 53. Acer saccharinuin. Silver Maple. 
