Summary[edit] Description: Illustration of male and female flower of Catasetum barbatum (as resp. syn. Myanthus barbatus and Monachanthus viridis ) From the third page of Charles Darwin's article on Catasetum pollination in Journal of the proceedings of the Linnean society, vol. 6 page 151 - 157 (http://www.botanicus.org/page/166355). Date: 1862. Source: Journal of the proceedings of the Linnean society, vol. 6 page 153. Author: Charles Darwin (1809-1882).