IOWA CRAB. 



313 



Plate 42. Pyrus ioensis. Iowa Crab. 



i. Flowering branch, one-half natural size. 2. Longitudinal section of 

 flower with petals removed, natural size. 3. Fruiting branch, one-half 

 natural size. 4. Longitudinal section of fruit, one-half natural size. 5. 

 Summer branch, one-half natural size. 



