The life of a tree; being a history of the phenomena of vegetation from the seed to the death of the plant

Society For Promoting Christian Knowledge (Great Britain)

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• Trees

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• Publié par: les_archives_du_savoir
• Nombre de lectures: 4
• Langue: English
• Poids de l'ouvrage: 11 Mo

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ihiiii, .
I \%THE
LIFE OF A TREE;
BEING A
HISTORY OF THE PHENOMENA VEGETATIONOF
FROM THK
SEED TO THE DEATH OF THE PLANT.
FDBLISHED UNDER THE DIRECTION OF THE
CO::aMlTTEE OF OENERAL LITERATURE AND EDUCATION,
APPOINTED Br THE SOCIETY FOR PROMOTINO
CHRISTIAN KNOWtE'LOE.
LONDON:
PRINTED FOR THE
FOR PROMOTING CHRISTIANSOCIETY KNOWLEDGE:
SOLD AT THE DEPOSITORY,
:FIELDS, AND ROYALEXCHANGEGREAT QLEEN-STREET, LINCOLN'S-INN 4,
AND BY ALL BOOKSELLERS.
1849..73/
.56
LONDON
J.BENri,Ey HenrtPhnLed by S. & and Fley,
BaniSor House, Shoe Lane.CONTENTS.
CHAPTER I.
THE INFANCY OF THE PLANT.
1
The Birth-place of the Plant.—The Coco-nut.—The Water-
nut.—Rice.—Com.—Influence of Water, Air, and Heat.—Effect
of boiling on Seeds. Sleep of Seeds.—Sixteen hundred years'—
sleep of some Raspberry —Mummy-wheat—The Man-Seeds.
grove. Seeds.—The—Sailor's Sea-garden.—Experiments on
young Plant.—Vegetable tissue under the Microscope.—Minute
cells : their of Seeds, Malting.—Ger-office.—Chemical nature —
mination.—Seeds want Air Mosses.—Fungi.—Ferns.—Sea-
weeds.—Red SnoTv".—Viviparous Plants.—Art of making Trees
out of Leaves. in quickening—Simplicity of the means employed
Seeds into life. ......
CHAPTER II.
THE YOUTH OF THE TREE.
—Beauty of youth.— Formation of woody fibre. Concentric
rings.—Preparations for Winter.— The first year ended.—In-———————
CONTENTS.VI
PAGE
fluencn of Spring.—Flow of Sap.—Direction of the Currents.
Force of Circulation.—Experiments of Dr. Hales.—Endosmose.
—Toddy.—The spring of the Desert.—Milk-sap.—Value of Sap.
Caoutchouc.—Woorari poison.—Vegetable milk.'—Cow-tree.—
of a Leaf.— Singular leaves in Australia.— The—Structure
Plants.—Influence of Light.heap of Onions.—Green colour of
Curious effects of Light on some Plants.—Experiments of Mr.
Hunt.— Influence of Coloured Light.—Source of wood : ex-R.
periments on it.— From Air.—Composition of Air.—Carbonic
sprig of mint.—Function of Leaves.Acid.— Experiment on a
Sleep of Plants.—Carbonic Acid in the Air—Purifying influence
of Plants.—Mushroom tribe. Singular properties of.—Change—
and Fall of the Leaf. . . . . .43.
CHAPTER HI.
THE ADULT TREE.
Section of the Stem.—Exogenous and Endogenous Trees.
Rings represent years.—The Food of Plants.—Source of Nitro-
gen.—Ammonia, Rain.—Alkalis.— — Fern-balls.— Manures.
Liebig's discoveries. Geography of— Plants.—Visit to a Salt-dis-
trict. Curious anecdote— of a Hay-stack.—Silex in Plants.
Tabasheer.— Flowering-time of the Tree.—Effects of Light
on colour of Flowers.—The Chameleon-flower.— Odour of
Flowers.—Flowers expanding Night.at —The Sleep of Plants.
—LinnaDus and his gardener.— Flower-clock.—Irritability of