TLDR
Introductory remarks—Description of the twining of the Hop—Torsion of the stems—Nature of the revolving movement, and manner of ascent—Stems not irritable—Rate of revolution in various plants—Thickness of the support round which plants can twine—Species which revolve in an anomalous manner.via the TL;DR App
no story
Written by charlesdarwin | On the Origin of Species By Means of Natural Selection