CONTENTS O 



Department Bulletin No. 1331. — The Madonna Lily — Continued. page 



Advantages of home production 13 



Enemies 13 



Growing under glass 15 



The Madonna lily in the garden 15 



. Garden associations 16 



Present consumption 16 



Summary 17 



Department Bulletin No. 1332. — -Emulsions op Wormseed Oil and 

 op Carbon-Disulfide for Destroying Larvae op the Japanese 

 Beetle in the Roots op Perennial Plants: 



The plants concerned. 1 



Preliminary work 2 



Oil of wormseed ( American) 3 



Wormseed-oil emulsions 4 



Toxicity of wormseed-oil emulsions - _ 7 



Application to larvae in soil and plants 9 



Value of wormseed oil as an insecticide 12 



Treatment of peony roots 12 



Carbon-disulfide emulsions 13 



Toxicity of carbon-disulfide emulsion to larvae 14 



Application of carbon-disulfide emulsion to larvae and peonies 15 



Commercial use of emulsions 15 



Summary and conclusions 16 



Literature cited 17 



Department Bulletin No. 1333. — Fattening Steers on Velvet 

 Beans: 



Outline of experimental work 1 



The experiment at Collins, Miss 5 



The experiments at Beltsville, Md 8 



The experiments at McNeill, Miss 17 



Conclusions based on experimental work 26 



Department Bulletin No. 1334. — Tests op Barley Varieties in 

 America: 



Scope of the bulletin 1 



Barley growing in America 2 



Preparation of material 13 



Discussion of station yields . 17 



Regional adaptation of varieties 154 



Well-known or promising varieties 159 



Accession data of cereal investigations numbers 175 



Botanical comparison of prominent varieties 205 



Best varieties of the period from 1917 to 1921, inclusive 207 



Distribution of varieties by experiment stations 212 



Index 213 



Department Bulletin No. 1335. — Commercial Dehydration op 

 Fruits and Vegetables: 



Preservation by dehydration 1 



Dehydration industry 2 



Dehydration plant 2 



Selection of material 4 



Preparation of material 4 



Washing 4 



Grading for size 4 



Peeling 5 



Trimming 6 



Checking 6 



Subdividing 6 



Pitting and seeding 7 



Traying 8 



Conveying the trayed material 8 



