MAPLES. 



267 



Plate 51. Acer rubrum. Red Maple. 



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

 ing pistillate flowers, one-half natural size. 3. Staminate flower, enlarged. 4. 

 Pistillate flower, enlarged. 5. Fruiting branch, one-half natural size. ti. Longi- 

 tudinal section of fruit, one-half natural size. 7. Longitudinal section of seed, 

 enlarged. 8. Embryo, displayed, enlarged, 9. Winter branchlet, one-half 

 natural size. 



