From Wilhelm Pfeffer 6 November 1881
Summary
It is impossible to trace the direct connections between stimuli and responses in plant movements. Disagrees with much of Julius von Wiesner [Die Bewegungsvermögen der Pflanzen (1881)]. Disagrees with CD on induced movements and circumnutation.
Author: | Wilhelm Friedrich Philipp (Wilhelm) Pfeffer |
Addressee: | Charles Robert Darwin |
Date: | 6 Nov 1881 |
Classmark: | DAR 174: 39 |
Letter no: | DCP-LETT-13464 |