332 TREES OF MINNESOTA. 
Ni ses wy * 
Plate 49. Gymnocladus dioicus. Coffeetree. 
1. Inflorescence from staminate tree, one-half natural size. 2. Tistil- 
late flower, one-half natural size. 3. Diagram of flower. 4. Longitudinal 
section of staminate flower, natural size. 5. Vistillate flower with a por- 
tion removed. 6. Vistil 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, 
