300 



TREES OF MINNESOTA. 



Plate 37. Ulmus americana. White Eim. 



i. Portion of summer branch, one-half natural size. 2. Flowering 

 branch, one-half natural size. 3. Fruiting branch, one-half natural size. 

 4. Portion of winter branch, one-half natural size. 5. Flower, enlarged. 

 6. Longitudinal section of flower, enlarged. 7. Longitudinal section of 

 pistillate flower, enlarged. 8. Longitudinal section of fruit, natural size. 9. 

 'Lmbryo, enlarged. 10. Longitudinal section of seed, natural size. 



