4 TREES OF MINNESOTA. 
Plate 58 Tilia americana. Trasswoed. 
Diagram of flower. 3. 
} A cluster of stamens 
5. A stamen, enlarged. 6. Pistil, 
1. Flowering branch, one-half natural size. 2. 
A flower with two sepals and two petals removed. 
with their petaloid scale, enlarged. 
showing Jongitudinal section of ovary, enlarged. 7. Cross section of ovary, 
enlarged. 8. Cluster of fruit separated from bract. 9. Cross section of 
fruit. 10. I¢mbryo, showing 5-lobed cotyledons, 
