PLANTS AND INSECTS 



103 



FIG. 83. Small specimen of self-pollinated 

 Baldwin apple. (After Waite.) 



the seeds produced are usually abortive. The crosses 

 are well supplied with sound seeds; the typical 

 fruit and in most cases the finest specimens are 

 from crosses. Accordingly, to secure the best results 

 not only should an ample number of bees be placed in 



FIG. 84. Section of an apple blossom. (After Waite.) 



