Introductory Botany: Plants, People, and the Environment, Linda R. Berg, pp. 487, Cengage Learning, 2007, ISBN 978-0-534-46669-5, ... Monocot: One of the two main classes of flowering plants; monocot seeds contain a single cotyledon ... Eudicot: One of two main classes of flowering plants; eudicot seeds contain two cotyledons ...