IV 



THE GUIDE TO NATURE 



AMONG THE THRIFTY YOUNG TREES. 



and shrubs, in landscape work and in 

 the care ot parks. They came to this 

 country in 1888, from Germany and 

 Switzerland respectively, and even 

 then were well trained in landscape 

 work. After securing positions in com- 

 mercial places and also in Chicago's 

 Park Department, they were in 1890 



appointed toreman and landscape gar- 

 deners at the grounds of the World's 

 Columbian Exposition in Chicago, which 

 position they held till January first, 

 1894. Two months after the closing 

 of the Exposition a call from the su- 

 perintendent brought both of them as 

 landscape gardeners to the Brooklyn 



DEHN & BERTOLF'S SPRAYING APPARATUS ON THE HIGHWAY. 

 They do work of this kind on order. 



