Book excerpt: University Botany-Iii Is A Comprehensive Text Book For Students Of 3Rd Year B.Sc Botany. The Book Is Written Strictly In Accordance With Revised Common Core Syllabus Adopted By All The Universities In Andhra Pradesh. Every Care Has Been Taken To Present The Subject In A Simple Language And In A Profusely Illustrated Manner For Better Understanding. The Book Is Divided Into Three Parts.Part A Deals With The Morphology, Taxonomy And Economic Importance Of Different Families. It Also Deals With Basic Rules Of Nomenclature And Systems Of Classifications Of Angiosperm Plants. A Brief Account Of Modern Trends In Taxonomy And Basics Of Ethanobotany Are Also Given.Part B Deals With The Reproduction And Development Of Angiosperm Plants. Microsporogenesis And Megasporogenesis And Fertilization Are Discussed In Different Chapters. Brief Description Of Development Of Endosperm And Embryo Formed Sixth Seventh Chapters Respectively. An Introduction To Palynology With Special Reference To A Few Families Is Also Given.Part C Deals With The Plant Water Relations, Mineral Nutrition, Plant Metabolism With Respect To Photosynthesis, Respiration And Nitrogen Metabolism Are Given. Growth And Development Of Angiosperm Plant With Reference To Growth Substances And Light Are Discussed. Fruit Ripening, Seed Dormacy And Germination Also Formed This Part. Plant Life In Relation To Environmental Stress Is Given In Last Part Of This Section.