Hutchinson, John,  1884-1972. <br/><br/>
Evolution and phylogeny of flowering plants :  Dicotyledons: Facts and theory : With over 550 illustrations and maps by the author / 
J. Hutchison. 
 - London ;  New York :  Academic Press,  1969. 
 - [xxv], 717 p. :  ill. ;  23 1/2 cm. 
<br/><br/> Companion to the author's Families of flowering plants, 2nd ed., Vol. 1, 1959. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dicotyledons--Evolution.<br/>Dicotyledons--Phylogeny.<br/>Plants--Variation.