THE VASCULAR ANATOMY OF NORMAL AND VARIANT 

 SEEDLINGS OF PHASEOLUS VULGARIS 



BY 



J. ARTHUR HARRIS and EDMUND W. SINNOTT 



Station for Experimental Evolution, Carnegie Institution of Washington 



Reprinted from the Proceedings r.f the NATIONAL ACADEMY OK SCIENCES, 

 Vol. 7, No. 1, pp. 35-41, January 1921. 



