Darwin, Charles,  1809-1882. <br/><br/>
The different forms of flowers on plants of the same species / 
by Charles Darwin ; [with a preface by Francis Darwin]. 
 - 2nd ed. 
 - London :  John Murray,  1888. 
 - xxiv,352p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flowers<br/>Plants--Reproduction.