TREES OF MINNESOTA. 



Plate 49. Gymnocladus dioicus. Coffeetree. 



i. Inflorescence from staminate tree, one-half natural size. 2. Pistil- 

 late flower, one-half natural size. 3. Diagram of flower. 4. Longitudinal 

 section of staminate flower, natural size. 5. Pistillate flower with a por- 

 tion removed. 6. Pistil with section of ovary removed. 7. Portion of 

 branch bearing a single fruit showing seed and embryo, one-half natural size. 

 8. Cross section of seed, one-half natural size. 9. Portion of leaf, one- 

 half natural size. 10. Portion of winter branch, 'one-half natural size. 



