This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
Class I. - The Digitalis group, decreasing the frequency and increasing the force of the beat of the heart:
Digitalis, Strophanthus. Convallaria, Squill, Scoparius, Erythrophloeum, and Adonidin.
Class II. - The Aconite group, decreasing the frequency and force of the beat of the heart:
Aconite, Veratrum Viride, Veratrina.
Class III. - The Cactus group, increasing the frequency and force of the beat of the heart:
Cactus Grandiflorus.
 
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