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TREES OF -MINNESOTA. 



Plate 50. Robinia pscudacacia. Locust. 



i. Flowering branch, one-half natural size. 2. Flower, front view, one- 

 half natural size. 3. Tube of stamens. 4. Longitudinal section of pistil. 

 5. Diagram of the flower. 6. Legumes, one-half natural size. 7. Pod 

 open showing seed, one-half natural size. 8. A seed, one-half natural size. 



