THE

with's Alice's love

September 28th 1879

MOVEMENTS AND HABITS

OF

CLIMBING PLANTS.

OCLIFFE LIBRA

MUSEUM

OXFORD

BY THE SAME AUTHOR.

ON THE ORIGIN OF SPECIES BY MEANS OF NATURAL
SELECTION; or, THE PRESERVATION OF FAVOURED RACES IN THE STRUGGLE
FOR LIFE. Sixth Edition. Sixteenth Thousand.
MURRAY.

THE DESCENT OF MAN, AND SELECTION IN RELA-
TION TO SEX. Second Edition, revised and augmented. Eleventh Thousand.
MURRAY.

THE VARIATION OF ANIMALS AND PLANTS UNDER
DOMESTICATION. Second Edition, revised. Fourth Thousand. With
Illustrations.
MURRAY.

THE EXPRESSION OF THE EMOTIONS IN MAN AND
With Photographic and other Illustrations. 1872. Ninth
MURRAY.

ANIMALS.
Thousand.

ON THE VARIOUS CONTRIVANCES BY WHICH BRITISH
AND FOREIGN ORCHIDS ARE FERTILISED BY INSECTS; and on the
GOOD EFFECTS OF CROSSING. With numerous Woodcuts.
MURRAY.
INSECTIVOROUS PLANTS. With Illustrations. Third Thousand.
MURRAY.

A NATURALIST'S VOYAGE ROUND THE WORLD; or,
A JOURNAL OF RESEARCHES INTO THE NATURAL HISTORY AND GEOLOGY OF
THE COUNTRIES visited during the voyage of H.M.S. Beagle,' under the com-
mand of Captain FITZROY, R.N. Twelfth Thousand.
MURRAY.

ON THE STRUCTURE AND DISTRIBUTION OF CORAL
REEFS. Second Edition.
SMITH, ELDER & CO.
GEOLOGICAL OBSERVATIONS ON VOLCANIC ISLANDS.
SMITH, ELDER & Co.

GEOLOGICAL OBSERVATIONS ON SOUTH AMERICA.

SMITH, ELDER & CO.

A MONOGRAPH OF THE CIRRIPEDIA. With numerous
Illustrations. 2 vols. 8vo.
HARDWICKE.

FACTS AND ARGUMENTS FOR DARWIN. By FRITZ
MÜLLER. Translated by W. S. DALLAS, F.L.S. With Illustrations. Post 8vo,
MURRAY.

LONDON PRINTED BY WILLIAM CLOWES AND SONS, STAMFORD STREET

AND CHARING CROSS.

PREFACE.

THIS Essay first appeared in the ninth volume of the Journal of the Linnean Society,' published in 1865. It is here reproduced in a corrected and, I hope, clearer form, with some additional facts. The illustrations were drawn by my son, George Darwin. Fritz Müller, after the publication of my paper, sent to the Linnean Society (Journal, vol. ix., p. 344) some interesting observations on the climbing plants of South Brazil, to which I shall frequently refer. Recently two important memoirs, chiefly on the difference in growth between the upper and lower sides of tendrils, and on the mechanism of the movements of twining plants, by Dr. Hugo de Vries, have appeared in the 'Arbeiten des Botanischen Instituts in Würzburg,' Heft. iii., 1873. These memoirs ought to be carefully studied by every one interested in the subject, as I can here give only references to the more important points. This excellent observer, as