Vol. IX. DECEMBER, 1922 No. 10 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
CONTENTS 
The effect of Bordeaux mixture upon the chlorophyll content of the primordial leaves of the 
common bean, Phaseolus vulgaris L W. A. Ruth 535 
The effect of low-temperature storage and freezing on fruits and vegetables Lon A. Hawkins 551 
Revision of the South American species of Cuscuta I T. G. Yuncker 557 
Index to Volume IX ; 576 
PUBLISHED 
IN COOPERATION WITH THE BOTANICAL SOCIETY OE^-AMKRIC A 
BY THE r 
BROOKLYN BOTANIC GAR#%j , . ^ 
At Prince and Lemon Sts., Lancaster* x^, ^ " ' ^ ^ ^ 
london agents ^ /i' 
WHELDON AND WESLEY, Ltd. ''^^^/o a«| W \)*: * 
2, 3, & 4 Arthur St., London, W. C. 2 
Euto-ed m« tcoond-daM matt«r Februsrv 3i, 1914. at the post offie*at Lancaster, PctUM^rlvaiii*. 
under the act of March 3, it"^ 
