Hobhouse, Henry. <br/><br/>
Seeds of change :  five plants that transformed mankind / 
Henry Hobhouse. 
 - Perennial library ed. 
 - New York, NY :  Harper and Row,  1986, 1987. 
 - xv ; 252 p. 
<br/><br/> Previosly published : "Reflections on ice-breaking".  Includes bibliographic references and index. 
<br/><br/><label>ISBN: </label>0060114408 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants and history.<br/>Grops--History.