Vol. IX. 
JANUARY, 1922 
No. I 
AMERICAN 
JOURNAL OF BOTANY 
OFFICIAL PUBLICATION OF THE 
BOTANICAL SOCIETY OF AMERICA 
CONTENTS 
Ecological relations of plants in southeastern Missouri . . . . J. C. Th. Uphof i 
Methods of healing in some algal cells . . Susan P. N1CH01.S 18 
The present status of Scolopendrium in New York State . . Mabki, R. Hunter 28 
Biophysics as a point of view in plant physiology .... Howard B. Pui,i.in(^ ax.^. 
PUBLISHED 
IN COOPERATION WITH THE BOTANICAL SOCIETY OF AMERICA 
BY THE 
BROOKLYN BOTANIC GARDEN 
At 41 North QurEN Street, Lancaster, Pa. 
Eiitored as s«oond-claM matter February 21, 1914, at the post office at Lancaster, Pennaylvania, 
under the act of March 3, 1879 
