 The conservatory's orchid collection, which began as a gift from Mrs. Anna H. Clise in 1921, is also found in the Palm House.Orchids are a large and diverse flowering plant family composed of more than 20,000 species.The conservatory's collection includes representatives of the largest genera – "Bulbophyllum", "Epidendrum", and "Dendrobium" – as well as commonly cultivated genera such as "Cattleya" and "Phalaenopsis".