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TREES OF MINNESOTA. 



Plate 39. Mortis alba tartarica. Russian Mulberry. 

 1. Branch bearing staminate flowers, one-half natural size. 2. Branch bear- 

 ing pistillate flowers, one-half natural size. 3. Staminate flower-cluster, en- 

 larged. 4. Pistillate flower cluster, natural size. 5. Staminate flower, enlarged. 

 6. Pistillate flower, enlarged. 1. Longitudinal section of pistil, enlarged. 8. 

 Full grown lobed leaf, one-half natural size. 



