The 27th volume in a 29-volume set which contain all Charles Darwin's published works. Darwin was one of the most influential figures of the 19th century. His work remains a central subject of study in the history of ideas, the history of science, zoology, botany, geology and evolution.

Introduction, Chapter I The circumnutating movements of seedling plants, Chapter II General considerations on the movements and growth of seedling plants, Chapter III Sensitiveness of the apex of the radicle to contact and to other irritants, Chapter III Sensitiveness of the apex of the radicle to contact and to other irritants, Chapter V Modified circumnutation: climbing plants; epinastic and hyponastic movements, Chapter VI Modified circumnutation: sleep or nyctitropic movements, their use: sleep of cotyledons, Chapter VII Modified circumnutation: nyctitropic or sleep movements of leaves, Chapter VIII Modified circumnutation: movements excited by light, Chapter IX Sensitiveness of plants to light: its transmitted effects, Chapter X Modified circumnutation: movements excited by gravitation, Chapter XI Localized sensitiveness to gravitation, and its transmitted effects, Chapter XII Summary and concluding remarks, Index