This document summarizes information about two types of orchids: Dendrobium and Cattleya. Dendrobium orchids have graceful stems that can be used for florets or stems, with small white, lavender, yellow, purple or blue flowers. They last 7-10 days and cost $1.50 per stem. Cattleya orchids have large, dramatic flowers in many colors used for corsages. They last 1-2 weeks and cost $18 per stem, which usually has 6 florets. The document also defines epiphytes as plants that grow on other plants for support without being parasitic.