296 



TREES OF MINNESOTA. 



Plate 35. Quercus rubra. Red Oak. 



i. Flowering branch showing immature fruit of one year's growth, one- 

 half natural size. 2. Stammate flower, enlarged. 3. Pistillate flower, en- 

 larged. 4. Fruiting branch, one-half natural size. 5. Longitudinal section 

 of fruit, one-half natural size. 6\ Cup, one-half natural size. 7. Mature 

 leaf, one-half natural size. 



