. Cyclopedia of farm crops : a popular survey of crops and crop-making methods in the United States and Canada. Agriculture -- Canada; Agriculture -- United States; Farm produce -- Canada; Farm produce -- United States. to ask to what state our agriculture wduM probably have attained at this time if it had not been for weeds. There is no danger, however, that we shall cease to be taught. Poimnoits planfi^. , -'â '». Certain plants are poisonous either when eaten or when handled. The most deadly of the poisonous plants are some of the mushrooms (which see, in Part III), and the water parsnip (
. Cyclopedia of farm crops : a popular survey of crops and crop-making methods in the United States and Canada. Agriculture -- Canada; Agriculture -- United States; Farm produce -- Canada; Farm produce -- United States. to ask to what state our agriculture wduM probably have attained at this time if it had not been for weeds. There is no danger, however, that we shall cease to be taught. Poimnoits planfi^. , -'â '». Certain plants are poisonous either when eaten or when handled. The most deadly of the poisonous plants are some of the mushrooms (which see, in Part III), and the water parsnip (Fig. 167) and poison hemlock (Fig. 168). The last two are rank-smelling, strong herbs, members of the parsnip family (UmbcUif- crcr), inhabiting wet places. V. K. Chesnut in "Thirty Poisonous Plants of the United States" (Farmers' Bulletin No. 86, United States Department of Agriculture), writes as follows: The musquash-root, or water hemlock (Cicuta maculata) "is one of the most poisonous native plants in the United States, being rapidly fatal to both man and animals. The roots are especially dan- Fig. 152. gerous, because the taste, being aro- Burdock (Lappa major). matic and to some people suggesting that of horse-radish, parsnips, artichokes, or sweet cicely, is apt to lead children to cat them when they are found forced out of the soil by washing, freezing, or other causes in early ; The poison hemlock (Conivm maculatuvi) contains "the well-known volatile alkaloid, coniiie, which is found in the seeds, and, especially at flowering time, in the leaves. The root is nearly harmless in March, April and May, but is dan- gerous afterwards, especially during the first year of its growth. The poison hemlock is the most generally known poisonous plant historically, it being, without much doubt, the plant ministered by the Greeks to Socrates and other state prisoners. Recent cases of poisoning have arisen ac- cidentally from eating the seed for tha
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