This section is from the book "A Manual of Materia Medica and Pharmacology", by David M. R. Culbreth. Also available from Amazon: Manual of Materia Medica and Pharmacology.
Kam-pan-u-la'se-e. L. Campanul-a + aceae, dim. of campana, a bell - i. e., from the resemblance of the corolla. Herbs, shrubs. Distinguished by alternate exstipulate leaves; acrid and usually milky juice; solitary perfect flowers, calyx 5-lobed, corolla gamopetalous, campanulate or rotate, limb 5-lobed, stamens separate or syngenesious; ovary 2-5-celled, inferior; fruit capsule or berry; temperate climates; emetic, diaphoretic, narcotic.
 
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