Stiles, Walter, 1886-  Stiles, Walter, 1886- <br/><br/>
An introduction to the principles of plant physiology / 
[by] Walter Stiles. 
 - 3rd ed. / in collaboration with E.C. Cocking.  3rd ed. / in collaboration with E.C. Cocking. 
 - London :  Methuen,  [1969] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant physiology.