Sweet almonds 289 CHAPTER X ARRANGEMENT OF VASCULAR BUNDLES Types of fibro-vascular bundles 292 Radial vascular bundles 292 Concentric vascular bundles 295 Collateral vascular bundles 295 Bi-collateral vascular bundles 298 Open collateral vascular bundles 298 INDEX TABLE OF ILLUSTRATIONS PAGE FIG. 1. Tripod Magnifier 4 FIG. 2. Watchmaker’s Loupe 4 FIG. 3. Folding Magnifier 4 FIG. 4. Reading Glass 4 FIG. 5. Steinheil Aplanatic Lens 5 FIG. 6. Dissecting Microscope 5 FIG. 7. Compound Microscope of Robert Hooke 8 FIG. 8. Compound Microscope 10 FIG. 9. Abbé Condenser 11 FIG. 10. 11 FIG. 11. 11 FIG. 12. Objectives 11 FIG. 13. 12 FIG. 14. 12 FIG. 15. Eye-Pieces. 12 FIG. 16. Pharmacognostic Microscope 12 FIG. 17. Research Microscope 14 FIG. 18. Special Research Microscope 14 FIG. 19. Greenough Binocular Microscope 15 FIG. 20. Polarization Microscope 16 FIG. 21. Ocular Micrometer 19 FIG. 22. Stage Micrometer 19 FIG. 23. Micrometer Eye-Piece 20 FIG. 24. Micrometer Eye-Piece 21 FIG. 25. Mechanical Stage 22 FIG. 26. Camera Lucida 22 FIG. 27. Camera Lucida 22 FIG. 28. Drawing Apparatus 23 FIG. 29. Microphotographic Apparatus 24 FIG. 30. Micro Lamp 27 FIG. 31. Paraffin-embedding Oven 30 FIG. 32.