2l8 



MINNESOTA STATE HORTICULTUR;\L SOCIETY. 



northwestern prairies. It is also a better grower than the Englcniann 

 and Black Hills spruce, while for beauty and ornamental value the 

 best silvery specimens stand well at the head of the list of hardy 

 conifers. 



Piiius Ponderosa at A. Norby's place. 



The Black Hills spruce varies mainly from the common white in 

 being more dense and of slower growth, leaves shorter and tree 

 hardier. It is of value for ornament. 



In the Douglas spruce we have a tree of considerable promise as 

 transplanted from the east slope of the Rockies or raised from 

 Colorado seeds here at home. I have found trees raised from eastern 

 grown seedlings too tender, and I have tried them repeatedly. The 



