264 



TREES OF MINNESOTA. 



Plate 50. Acer sac char in urn. Soft Maple. 



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

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

 4. Pistillate flower, enlarged. 5. Pistil, enlarged, C. Longitudinal section of" 

 pistillate flower, enlarged. 7. Fruiting branch, one-half natural size. 8. Longi- 

 tudinal section of samara, one-half natural size. 9. Longitudinal section of 

 seed, enlarged. 10. Embryo, enlarged. 11. Embryo, displayed, enlarged. 



Acer platanoides schwedlerii. Schwedler Maple. 

 A beautiful variety with new growth, bark and leaves of 

 a bright purplish or crimson color which later changes to a. 

 purplish green. A valuable tree which has stood at the Min- 

 nesota Experiment Station for six years. 



Acer platanoides reitenbachi. Reitenbach Maple. 



An excellent and striking variety with dark purple leaves 

 which hold their color throughout the season. 



