Manito eBooks

..Page 523-545

CHAPTER XII.
SUMMARY AND CONCLUDING REMARKS.
Nature of the circumnutating movement--History of a germinating seed--The
radicle first protrudes and circumnutates--Its tip highly sensitive--
Emergence of the hypocotyl or of the epicotyl from the ground under the
form of an arch--Its circumnutation and that of the cotyledons--The
seedling throws up a leaf-bearing stem--The circumnutation of all the parts
or organs--Modified circumnutation--Epinasty and hyponasty--Movements of
climbing plants--Nyctitropic movements--Movements excited by light and
gravitation--Localised sensitiveness--Resemblance between the movements of
plants and animals--The tip of the radicle acts like a brain...546-573

INDEX...574-593
[page 1]


THE MOVEMENTS OF PLANTS.

INTRODUCTION.
THE chief object of the present work is to describe and connect together
several large classes of movement, common to almost all plants. The most
widely prevalent movement is essentially of the same nature as that of the
stem of a climbing plant, which bends successively to all points of the
compass, so that the tip revolves.


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