NUMBER 3 
MARCH, 1902 
THE RHEOTROPISM OF ROOTS: 
FREDERICK C. NEWCOMBE. 
(WITH FIFTEEN FIGURES) 
A. INTRODUCTION. 
I. HISTORICAL REVIEW. 
; author to write of the influence of streaming water 
plant movement was Strasburger,? who worked with 
sson,t however, the year before Stahl’s paper | 
t ished at first research on the poets of roots: 
er. Triti 
lasmodia of the Myxomycetes. Several years 2 
oted some time to the consideration of the same _ 
