Sinnott, Edmund W; Wilson, Katherine S <br/><br/>
Botany: Principles and problems 

 - 6 
 -  McGraw-Hill Book Co., New York  1963 
 - 515 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>PG 581  SIN-B6