Life Movements in Plants, Volume II

PART III.

TROPISM IN PLANTS.

XXII.--THE BALANCED CRESCOGRAPH. PAGE. Principle of the Method of Balance--Compensating movement-- Growth-scale--Sensitiveness of the Crescographic Balance-- Effect of CO_{2}--Effect of anæsthetics 255

XXIII.--ON TROPIC MOVEMENTS.

Complexity of the problem--Contradictory nature of responses--Two classes of tropic ...