Willis, J. C. <br/><br/>
Dictionary of the flowering plants 
Revised by H. K. Airy 
 - 8th ed. 
 - Cambridge  Cambridge University Press  1973 
 - xxii,1245,1xvip.;  22cm. 
<br/><br/><label>Dewey Class. No.: </label>582.1303  / WIL