X 



The Miner Group 



THIS group is one of secondary 

 importance, occupying a some- 

 what uncertain position be- 

 tween the Wildgoose group 

 and the Americanas. From 

 the circumstance that Professor 

 Bailey first described it as Pru- 

 nus hortulana inincri, making it 

 an appendage of the Wild- 

 goose group, it has been commonly looked upon 

 as most closely related to the latter. The varieties in 

 general, however, stand much nearer to the Ameri- 

 canas, so near in fact that Professor Sargent refers 

 them to Primus americana and entirely ignores P. 

 hortnlana miner i. 



It is probable, however, that the varieties of this 



group, like those of the Wayland and Wildgoose 



groups, are of mongrel origin. They may be hybrids 



of the Wildgoose type with the Americanas, which 



58 



