UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 468 



Contribution from the States Relations Service 

 A. C. TRUE, Director 



Washington, D. C. 



PROFESSIONAL PAPER 



January 17, 1917 



POTATOES, SWEET POTATOES, AND 

 OTHER STARCHY ROOTS AS FOOD 



By 



C. F. LANGWORTHY, Chief, Office of 

 Home Economics 



CONTENTS 



Page 



Introduction * . . . 1 



Potatoes 2 



Sweet Potatoes 17 



The Jerusalem Artichoke ...... 21 



Some Tropical Starch-Bearing Roots . . 22 

 Conclusion 23 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1917 



