258 



THE EVOLUTION OF OUR NATIVE FRUITS 



in the skin ; stem short and thick as compared with 

 fruits of P. coronaria, the cavity mostly oblique or 

 unsymmetrical ; basin variable, narrower and shallower 

 than in the other, with less uniform corrugations, the 



Wig, IT. Flower cluster of Pyrus Toensia. 



calyx closed and pubescent. The fruit is generally 

 more angular and irregular in shape than thai of 

 /'. coronaria . averaging larger, and often has a greasj 

 feel : not so handsome as the other. 



The only description of this prairie states crab, as 



