CONTENTS.

[CHAPTER I.]—HOW ANIMALS GET ABOUT.

[1.]

Most of the larger animals move about freely

[2.]

Some animals catch rides in one way or another

[CHAPTER II.]—PLANTS SPREAD BY MEANS OF ROOTS.

[3.]

Fairy rings

[4.]

How nature plants lilies

[5.]

Roots hold plants erect like ropes to a mast

[6.]

How oaks creep about and multiply

[CHAPTER III.]—PLANTS MULTIPLY BY MEANS OF STEMS.

[7.]

Two grasses in fierce contention

[8.]

Runners establish new colonies

[9.]

Branches lean over and root in the soil

[10.]

Living branches snap off and are carried by water or wind

[CHAPTER IV.]—WATER TRANSPORTATION OF PLANTS.

[11.]

Some green buds and leaves float on water

[12.]

Fleshy buds drop off and sprout in the mud

[13.]

Seeds and fruits as boats and rafts

[14.]

Bits of cork around the seeds prevent them from sinking

[15.]

An air-tight sack buoys up seeds

[16.]

Fruit of basswood as a sailboat, and a few others as adapted to the water

[CHAPTER V.]—SEEDS TRANSPORTED BY WIND.

[17.]

How pigweeds get about

[18.]

Tumbleweeds

[19.]

Thin, dry pods, twisted and bent, drift on the snow

[20.]

Seeds found in melting snowdrifts

[21.]

Nuts of the basswood carried on the snow

[22.]

Buttonwood balls

[23.]

Seeds that tempt the wind by spreading their sails

[24.]

Why are some seeds so small?

[25.]

Seeds with parachutes

[26.]

A study of the dandelion

[27.]

How the lily sows its seeds

[28.]

Large pods with small seeds to escape from small holes

[29.]

Seeds kept dry by an umbrella growing over them

[30.]

Shot off by wind or animal

[31.]

Seed-like fruits moved about by twisting awns

[32.]

Grains that bore into sheep or dogs or the sand

[33.]

Winged fruits and seeds fall with a whirl

[34.]

Plants which preserve a portion of their seeds for an emergency

[CHAPTER VI.]—PLANTS THAT SHOOT OFF THEIR SPORES OR SEEDS.

[35.]

Dry pods twist as they split open and throw the seeds

[36.]

A seed case that tears itself from its moorings

[CHAPTER VII.]—PLANTS THAT ARE CARRIED BY ANIMALS.

[37.]

Squirrels leave nuts in queer places and plant some of them

[38.]

Birds scatter nuts

[39.]

Do birds digest all they eat?

[40.]

Color, odor, and pleasant taste of fruits are advertisements

[41.]

The meddlesome crow lends a hand

[42.]

Ants distribute some kinds of seeds

[43.]

Cattle carry away living plants and seeds

[44.]

Water-fowl and muskrats carry seeds in mud

[45.]

Why some seeds are sticky

[46.]

Three devices of Virginia knotweed

[47.]

Hooks rendered harmless till time of need

[48.]

Diversity of devices in the rose family for seed sowing

[49.]

Grouse, fox, and dog carry burs

[50.]

Seeds enough and to spare

[CHAPTER VIII.]—MAN DISPERSES SEEDS AND PLANTS.

[51.]

Burs stick to clothing

[52.]

Man takes plants westward, though a few migrate eastward

[CHAPTER IX.]—SOME REASONS FOR PLANT MIGRATION.

[53.]

Plants are not charitable beings

[54.]

Plants migrate to improve their condition

[55.]

Fruit grown in a new country is often fair

[56.]

Much remains to be discovered

[BIBLIOGRAPHY]