|Standard Cyclopedia of Horticulture|
Cowslip. The true English cowslip is Primula officinalis. The plant wrongly called cowslip in America is the marsh marigold, Caltha palustris. The "American cowslip" is a popular name for Dodecatheon Meadia. The name "Virginian cowslip" is sometimes used for Mertensia virginica.
Cowslip may refer to either of two plants: