Synopsis The present book is attempt to provide a balanced, up-to-date and simplified study of Gymnosperm to the students of botany at the undergraduate and postgraduate level of several Indian Univesities. The publication covers Introduction; Classification of Gymnosperms; Cycadopsida (Cycadophyta); Bennettitales (Cycadeoideales); Pentoxylales; ginkgoales; Coniferophyta and Coniferales; Cordaitales; Gnetopsida (gnetophyta); Embryogeny; Origin and Hetrospory;Gymnosperms of India and their Distribution; and the Gymnosperms of Past Time. Attempts has been made to include the recent work conducted by scientists in the field, but owing to limited space much detail have not been mentioned.