330 



TREES OF MINNESOTA. 



Plate 48. Gleditsia triacanthos. Honey Locust. 



i. Flowering branch of staminate tree, one-half natural size. 2. Flow- 

 ering branch of pistillate tree, one-half natural size. 3. Diagram of flower. 

 4. Longitudinal section of staminate flower, enlarged. 5. Longitudinal 

 section of pistillate flower, enlarged.^ 6. Longitudinal section of ovary, en- 

 larged. 7. A spine and a single fruit showing seed, cross section of seed 

 and embryo, one-half natural size. 8. Doubly pinnate leaf, one-half natural 

 size. 9. Winter branchlet, one-half natural size. 



