This section is from the book "The Gardener's Monthly And Horticulturist V20", by Thomas Meehan. See also: Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long.
These are strong growing plants, and probably grow among rotten leaves and moss. The flowers of all the species come up from the sides of the bulbs, and look like tulips not quite open. They come from New Grenada, and require plenty of moisture when growing.
Yellow sepals and petals; lip white.
Sepals and petals yellow with crimson spots; lip crimson.
Flowers white in all their parts.