. Diseases of cattle, sheep, goats and swine. Veterinary medicine. PLANTS POISONOUS TO STOCK. 249 POISONING BY FENNEL. This disease, seen in Algeria, and recently studied by Bremond and Bojoly, need only be mentioned. The information at present available is indefinite, and the symptoms so closely resemble those of Texas fever that there seems a possibility of confusion having arisen. The lesions are those of hemor- rhagic gastro-enteritis. Treatment consists in gi^dng tannin, opium, and emollients. Oxypolis rigidus.—The cowbane is natural in swamps throughout the eastern half of the United Sta
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. PLANTS POISONOUS TO STOCK. 249 POISONING BY FENNEL. This disease, seen in Algeria, and recently studied by Bremond and Bojoly, need only be mentioned. The information at present available is indefinite, and the symptoms so closely resemble those of Texas fever that there seems a possibility of confusion having arisen. The lesions are those of hemor- rhagic gastro-enteritis. Treatment consists in gi^dng tannin, opium, and emollients. Oxypolis rigidus.—The cowbane is natural in swamps throughout the eastern half of the United States. The leaves and roots are reputed to be poisonous to cattle. Slum cicutaefolium.—The leaves of the hemlock water parsnip, which is more or less common throughout the United States, are said to be poisonous to stock. (heath FAMILY). Andromeda p o 1 i fo 1 i a. — The wild rosemary, or moorwort, is a plant native to the northern regions of Europe, Asia, and America, en- tering the United States only in the extreme north-east. The leaves, which have been eaten by sheep with fatal effect, contain a narcotic poison known as andromedotoxin. The plant is not very dangerous in its native habitat, because it grows in bogs which are inaccessible to stock. * Azalea occidentalis.—The California azalea is very much dreaded by sheep men who "drive their flocks into the southern Sierras for pasture. Investigation has shown that the leaves contain a poisonous substance. * Kalmia angustifolia.—The narrow-leaf laurel is abundant in the north-eastern section of the United States, where it is also well known as sheep laurel and lamb-kill. The leaves contain andromedotoxin, and sheep and calves are frequently poisoned by eating them. * Kalmia latifolia.—The broad-leaf laurel is native throughout the greater part of the eastern half of the United States, and is known by. Fig. 105.—Branch ivy {Leucothoe cates- hcei). a, Flowering branch ; h, fruiting Please n
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