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Erythrina.—The bark of the Australian species of this genus, Erythrina Broteroi, is said to contain an alkaloid, erythrinine, while the Mexican species, Erythrina coralloides DC., bears poisonous seeds in which Altamirano has found erythroidine, a powerful paralyzant of the motor system, erythroresin, an emetic, coralin and erythric acid. The extract has been suggested as a substitute for curare. (B. S. Ph. Br., 1900) Langham obtained from the seeds of E. zeyheri (which have a scarlet pesta), erythrine, 15 per cent. (C. D., 1911,134.)
Erythrina lithosperma Blume. (Hypaphorus subumbrans Hassk.)—From the seeds of this beautiful leguminous tree, largely grown for shade in the coffee gardens of Java, P. C. Plugge has obtained hypaphorine, a tetanizing alkaloid. (A.E. P. P., xxxii.)
The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.