Catasetid??, the most remarkable of all Orchids???The mechanism by which the pollinia of Catasetum are ejected to a distance and are transported by insects???Sensitiveness of the horns of the rostellum???Extraordinary difference in the male, female, and hermaphrodite forms of Catasetum tridentatum???Mormodes ignea, curious structure of the flowers; ejection of the pollinia???Mormodes luxata???Cycn