Since this is not a form, but a Style, I’ll simply copy from Charles Weatherford Poetrybase.
An argument between country (pastoral) lovers. The old song “Get Up and Bar the Door” might be considered in this category.
Pasted from http://www.poetrybase.info/forms/004/440.shtml
My thanks to Charles L. Weatherford for his years of work on the wonderful Poetrybase resource.