National Geographic : 1946 Oct
(c) iNational Ueographic Society Orchids Feed Chiefly on Moisture in the Air Though some grow on rocks or on the ground, most use tree trunks or branches for support. Into bark crevices on this willow trunk near Cartago, a fancier shook tiny seeds. Now orchid hybrids bloom. Kodachromes by Luis Marden Costa Rica's National Flower Appears at Christmastime However, most purple guaria orchids (Cattleya skinneri) blossom inFebruary and March. Six to a dozen flowers sprout from asingle stem. Inspiration of poets and composers, the flower still grows wild inforests.