CONTENTS. 



Page. 



Historical note on previous investigations 5 



Bitter and sweet varieties 5 



Methods of analysis 6 



Experimental work on cassava conducted by the Department of Agriculture. . 8 



Introduction 8 



Botanical description of varieties of cassava studied 9 



Methods of analysis 12 



Pedigreed varieties of cassava grown at Biloxi, Miss 14 



Season of 1904 14 



Season of 1905 17 



Pedigreed varieties of cassava grown at Miami, Fla., and vicinity 19 



Season of 1904 19 



Hydrocyanic acid 19 



Starch and moisture 24 



Size and form of tubers 25 



Season of 1905 27 



Preservation of cassava for manufacturing purposes 28 



Markets for cassava meal - 29 



3 



