TY - BOOK AU - Wallis,T.E. TI - Textbook of pharmacognosy, U1 - 615/.321 PY - 1967/// CY - London PB - Churchill KW - Pharmacognosy N1 - includes index ; 1. Introduction 2. Starches 3. Powders of natural occurrence 4. Fossil organisms, shells and minerals 5. Hairs and fibers 6. Woods 7. Barks and galls 8. Leaves 9. Flowers 10. Seeds 11. Fruits 12. Entire organisms 13. Rhizomes and roots 14. Unorganized drugs 15. Gums and saccharine substances 16. Resins, gum resins, oleo resins 17. Fixed oils, fats, waxes 18. Glands and glandular secretions 19. Commerce in drugs 20. Calcium oxalate 21. Drug description and habitats 22. Powder drugs and tables ER -