UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 316 



Contribution from the Forest Service 

 HENRY S. GRAVES, Forester 



Washington, D. C. 



PROFESSIONAL PAPER 



December 20, 1915 



WILLOWS: 



THEIR GROWTH, USE, AND IMPORTANCE 



By 



GEORGE N. LAMB, Forest Examiner 



CONTENTS 



Introduction 



The Tree and Its Forms .... 



Soil, Moisture, and Light . . . 



Susceptibility to Injury .... 



Life History of the Black Willow 



Characteristics of Willow Wood . 



Uses of Willow Wood . 27 



Page 

 I 

 2 

 7 



. 7 



9 



26 



Page 



Uses of Willows for Protection .... 37 



Planting Willows 43 



Cultivation and Care 48 



Cutting 48 



Cost of Growing Willows 49 



Yield from Willow Plantations .... 50 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1915 



