1. INTRODUCTION AND SALIENT FEATURES, 2. CLASSIFICATION OF ALGAE, 3. RANGE OF VEGETATIVE
STRUCTURE, 4. REPRODUCTION AND LIFE CYCLES, 5. ECOLOGY OF ALGAE, 6. ECONOMIC
IMPORTANCE OF ALGAE, 7. NOSTOC, 8. CHLAMYDOMONAS, 9. VOLVOX, 10. OEDOGONIUM, 11. CHARA,
12. VAUCHERIA, 13. SARGSSUM, 14. POLYSIPHANIA, 15. DIATOMS: BRIEF ACCOUNT