. The Indiana weed book. Weeds. 158 THT5 INDIANA WEEP BOOK. 121. Eotatobium ageratoides L. White Snake-root. White Sanicle. (P. N. 3.) Erect, glabrous or nearly so, much branched, 1-4 feet high; leaves thin, opposite, broadly ovate, slender-stalked, pointed, coarsely and sharply toothed, 3-6 inches long. Heads numerous in loose clusters, 10-30 flowered; involucre bell-shaped, the bracts equal, linear, pointed, in 1 or 2 rows; flowers white. Common in dense woods and thickets and along roadsides in shaded places, usually in rich moist soil. July-Oct. Supposed by many to be the cause of trembles
. The Indiana weed book. Weeds. 158 THT5 INDIANA WEEP BOOK. 121. Eotatobium ageratoides L. White Snake-root. White Sanicle. (P. N. 3.) Erect, glabrous or nearly so, much branched, 1-4 feet high; leaves thin, opposite, broadly ovate, slender-stalked, pointed, coarsely and sharply toothed, 3-6 inches long. Heads numerous in loose clusters, 10-30 flowered; involucre bell-shaped, the bracts equal, linear, pointed, in 1 or 2 rows; flowers white. Common in dense woods and thickets and along roadsides in shaded places, usually in rich moist soil. July-Oct. Supposed by many to be the cause of trembles in sheep, cattle and horses and of milk sickness in humans. While by most physicians and botanists this poisonous character is denied, Mr. E. L. Moseley has, by numerous experiments, recently proven*, that it causes trembles and death when fed to cats, rabbits and lambs. He states that cattle and sheep will not touch the weed when other forage is plentiful, but that when turned into a closely cropped pasture or one covered with snow they eat it and are soon affected with trembles: The milk from cows which have eaten it under such conditions has been known to cause milk sickness and death. While the weed is not aggressive it should be cleared out of woods used for pasture. This can be done by drainage or by successive mow- ings. The root is used in medicines and, when properly prepared, brings 3 to 4 cents per pound. 122. Leptilon canadense T,. Horse- weed. Butterweed. Mare's Tail. (A. N. 1.) Erect, bristly-hairy, usually much branched, very leafy, 1-8 feet high; lower and basal leaves spoon-shaped, stalked, cut-lobed; upper linear, entire. Heads small, very numerous, in an open panicle; receptacle naked; invol- ucre bell-shaped, its bracts narrow in 2 or 3 overlapping rows; flowers dull white; rays numerous but shorter than the pappus and therefore inconspicuous. Achene flattened; pappus a single row of hair-like straw-colored bristles. (Pig. 117.) Very common in fields, garde
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectweeds, bookyear1912
