Wallis, T. E. (Thomas Edward) <br/><br/>
Textbook of pharmacognosy. 
Wallis, T. E. (Thomas Edward) 
 - 5th ed. 
 - xi, 652 p. : ill. ; 22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacognosy<br/>Herbs -- Therapeutic use<br/>Flowers -- Therapeutic use.
<br/><br/><label>Dewey Class. No.: </label>581.6