Usher, George <br/><br/>
A dictionary of botany, including terms used in bio-chemistry, soil science and statistics / 
by George Usher 
 - London  :  Constable,  1966 
 - 408 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0094504903 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Dictionaries