Jaques, H. E.  1880-1963. <br/><br/>
Plant families, how to know them :  pictured-keys for determining the families of nearly all of the members of the entire plant kingdom / 
H E Jaques. 
 - 2d ed. 
 - Dubuque, Iowa :  W. G. Brown Co.,  c1949. 
 - 177 p. :  illus. ;  23 cm. 
 - Pictured-key nature series .
<br/><br/> "Some helpful books": p. 4-5. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Identification.
<br/><br/><label>Dewey Class. No.: </label>580.12  / JAP 1949