Category: Science - Biology

Plants Poisonous to Live Stock

=What is a Poisonous Plant?= As will be shown later, so-called “poisonous” plants differ widely in “degree of harmfulness,” and it is highly probable that under ordinary conditions many of the plants commonly reputed to be poisonous are really almost or quite harmless. It is p...

Chapters

3. CHAPTER III

=Spindle Tree= (_Euonymus europæus_ L.). According to Cornevin the spindle tree is poisonous in all its parts, especially the fruits, which are emetic and strongly purgative. Sh...

4. CHAPTER IV

=Ivy= (_Hedera Helix_ L.). The berries of the Ivy are said to be largely eaten by certain birds (_e.g._ blackbirds, thrushes, wood-pigeons), but have poisoned children. The plan...

9. CHAPTER IX

The classification of poisonous plants according to their effects is a somewhat difficult process, since more than one prominent symptom may be produced by the same plant. Two c...

5. CHAPTER V

=Foxglove= (_Digitalis purpurea_ L.). The Foxglove has been recognized as poisonous for centuries, and one of its trivial names is Dead Men’s Bells—a name suggestive of the cons...

2. CHAPTER II

=Traveller’s Joy= (_Clematis Vitalba_ L.). The extent to which this species is poisonous is not clear, though all parts are stated to be poisonous, acrid and narcotic, while the...

6. CHAPTER VI

=Black Bryony= (_Tamus communis_ L.). The stem and foliage of Black Bryony are apparently harmless, being browsed by sheep and goats with impunity, but the scarlet fruits are de...

1. CHAPTER I

=What is a Poisonous Plant?= As will be shown later, so-called “poisonous” plants differ widely in “degree of harmfulness,” and it is highly probable that under ordinary conditi...

7. CHAPTER VII

A very large number of plants have at various times been suspected of possessing poisonous properties and causing harm to live stock. Of these it is quite probable that many are...

8. CHAPTER VIII

A number of poisonous plants have a considerable influence on the milk yield of animals which eat them, reducing it in volume or in fat content, or imparting to it an unpleasant...