Contents:? Introduction, Plant Nomenclature, Principle of Plant Taxonomy, Origin of Angiosperms, Phytography, Biosystematics, Preparation of Herbarium, Plants Identification, Ranunculaceae, Rosaceae, Papaveraceae, Cruciferae, Cucurbitaceae, Malavaceae, Leguminosae, Umbelliferae, Solanaceae, Convolvulaceae, Rubiaceae, Compositae, Labitae, Apocynaceae, Asclepiadaceae, Amaranthaceae, Orchidaceae, Liliaceae, Plamae, Gramineae.