Dust jacket notes: "In Morphology and Evolution of Vascular Plants you will find up-to-date discussions of classification and sexuality in ferns; of the physiology of the bizarre African desert plant Welwitschia mirabilis; and of fossil flowers from the Lower and Mid-Cretaceous eras. As useful and intriguing to the introductory botany or plant morphology student as to the interested reader, the third edition of this classic text offers completely current descriptions of the mature structure, organ development, reproduction, fossil record, phylogenetic trends, and interrelationships of every major vascular plant group. In revising and updating this extremely popular textbook,