. Plants and their uses; an introduction to botany . Fig. 191.—Snow-on-the-mountain (Euphorbia marginata. Spurge Family,Euphorhiacece). a, whole plant, J. h, seed pod. (Chesmit.)—Annualgrow-ing about 1 m. tall; upper leaves broadly margined with white;flowers greenish yellow; fruit dry. Native home. Western NorthAmerica. A peculiar danger attaches to the leaves of cherry-trees,especially of the wild black cherry. These trees frequentlygrow on the borders of pastures where cattle are kept, and itoften happens that persons having broken off branches, 204 MEDICINAL AND POISONOUS PLANTS perhaps to
. Plants and their uses; an introduction to botany . Fig. 191.—Snow-on-the-mountain (Euphorbia marginata. Spurge Family,Euphorhiacece). a, whole plant, J. h, seed pod. (Chesmit.)—Annualgrow-ing about 1 m. tall; upper leaves broadly margined with white;flowers greenish yellow; fruit dry. Native home. Western NorthAmerica. A peculiar danger attaches to the leaves of cherry-trees,especially of the wild black cherry. These trees frequentlygrow on the borders of pastures where cattle are kept, and itoften happens that persons having broken off branches, 204 MEDICINAL AND POISONOUS PLANTS perhaps to get the fruit, throw the leafy twigs into the pas-tures within reach of the cattle. As the leaves begin to wilta very powerful poison (prussic acid) is developed by fermen-tation, and manv deaths to stock have occurred from their. lig. i.«. Fig. 192.—Foxglove (Digitalis purpurea, Figwort Family, Scrophulariacee).A, plant, in flower, reduced. B, flower, %. C, same, cut , E, stamens. F, pistil. G, fruit, (v. Wettstein.)—Biennial or peren-nial 1 m. or less in height; leaves downy; flowers purplish rosy, orwhite, more or less spotted within; fruit dry. Native home, Europe. Fig. 19-3.—Lily-of-the-valley (Conmllaria Lily Family, Liliacete).Root. Leaves. Flower-clusters. Corolla and stamens. Fruit-cluster.(Britton and Brown.)—Perennial herb; leaves .smooth; flowers white,fragrant; fruit pulpy, red. Native home. Temperate Eurasia andEastern United States. PLANTS POISONOUS TO EAT 205 eating cherry leaves in this condition. A similar formationof prussic acid takes place in the kernels of cherry stones inthe presence of moisture. It is therefore dangerous to swal-low the fruit whole or to eat many of the kernels. Childrenhave died from so doing. The flowers of poisonous plants are dangerous
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
