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TREES OF MINNESOTA. 



Plate 41. Morns alba tartanca. Russian Mulberry. 



i. Branch bearing staminatc flowers, one-half natural size. 2. Branch 

 bearing pistillate flowers, one-half natural size. 3. btaminate flower-cluster, 

 enlarged. 4. Pistillate flower-cluster, natural MZC. 5. Staminate flower, en- 

 larged. 6. Pistillate flower, enlarged. 7. Longitudinal section of pistil, 

 enlarged. 8. Full grown lobed leaf, one-half natural size. 



