Swingle, Deane B <br/><br/>
A text book of systematic botany 

 - 3d ed 
 - New York  McGraw-Hill  1928 
 - xv,343 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY
<br/><br/><label>Dewey Class. No.: </label>581  / SWI