Seeds. 

 - Washington :  [U.S. Govt. Print. Off.,  1961] 
 - xiv, 591 p. :  ill., 29 plates;  24 cm. 
 - Yearbook of Agriculture,  1961. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seeds.