B54 TREES OF MINNESOTA. 
Plate so. Robinia psendacacia. Wocust. 
1. 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. 
