Johansen, Donald Alexander,  1901- <br/><br/>
Plant embryology;  embryogeny of the spermatophyta. 

 - Waltham, Mass.,  Chronica Botanica Co.  [1950] 
 - xvi, 305 p.  illus., ports.  28 cm. 
 - A New series of plant science books,  v. 24 .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>8121100437 
<br/><br/><label>LCCN: </label>51009356  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant embryology.
<br/><br/><label>LC Class. No.: </label>QK665  / .J6 
<br/><br/><label>Dewey Class. No.: </label>581.3  / JOH/P