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Photomicrographs

Photomicrographs. Plant Tissues. This Powerpoint is hosted on www.worldofteaching.com Please visit for 1000+ free powerpoints. BOTANY. Algae Cladophora species Filament in form Several cells. BOTANY. Algae Acetabularia species Many cells. BOTANY. Algae Oedogonium species.

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Photomicrographs

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  1. Photomicrographs Plant Tissues This Powerpoint is hosted on www.worldofteaching.com Please visit for 1000+ free powerpoints

  2. BOTANY • Algae • Cladophora species • Filament in form • Several cells

  3. BOTANY • Algae • Acetabularia species • Many cells

  4. BOTANY • Algae • Oedogonium species

  5. BOTANY • Algae • Spirogyra species

  6. BOTANY • Spirogyra species • Filamentous algae • Conjugation (sexual reproduction) Phase contrast photo

  7. BOTANY • Algae • Spirogyra species • Filament in form • Spores: union of 2 cells • Bridge

  8. BOTANY • Algae • filament

  9. BOTANY • Algae • Chara species • Many cells

  10. BOTANY • Algae • Chlamydomonas sp. • One cell

  11. BOTANY • Algae • Euglenagracilis • One cell with flagella

  12. BOTANY • Algae • Oscillatoria species • Filament in form • Series of cells

  13. BOTANY • Algae • Ulothrix species • Many cells in filament

  14. BOTANY • Algae • Volvox species • Hundreds of cells in hollow sphere • Cells have flagella Spirogyra species

  15. BOTANY • Green algae • Pediastrum species • Group of cells

  16. BOTANY • Oscillatoria species • Algae • Many cells

  17. BOTANY ANGIOSPERMS ROOTS

  18. BOTANY • ANGIOSPERMS • Dicot root • Cross section • Center of root • Xylem form “X” • Phloem at tip of xylem

  19. BOTANY • Salix root, x.s. • Low magnification • Vascular bundle

  20. BOTANY • Ranunculus root, x.s. • Low magnification • Vascular bundle

  21. BOTANY ANGIOSPERMS STEMS

  22. BOTANY • ANGIOSPERMS • Stem • Arrangement of bundles • Low magnification

  23. BOTANY • ANGIOSPERMS • Bundle in stem • Phloem (top) • Cambium (middle) • Xylem (bottom) (which is interior)

  24. BOTANY • ANGIOSPERMS • Growth ring (xylem) • Tilia stem • Basswood tree

  25. BOTANY • ANGIOSPERMS • Coleus stem • Cross section of bundle • Xylem -- inside • Phloem -- outside

  26. BOTANY • Medicago stem, x.s. • Vascular bundles in ring

  27. BOTANY • ANGIOSPERMS • Stem, composite • Cross section • Low magnification Soft tissue

  28. BOTANY • ANGIOSPERMS • Cells in stem • Thickened xylem • Cross section

  29. BOTANY • Bamboo stem • Cross section

  30. BOTANY • ANGIOSPERMS • Xylem cells in stem • Longitudinal section • Annular rings (left) • Spiral rings (right) Rings reinforce the cell wall.

  31. BOTANY • Tilia, 3-year stem, x.s. • Bark

  32. BOTANY • Tilia stem, 3-year, x.s.

  33. BOTANY ANGIOSPERMS LEAF

  34. BOTANY • Castalia leaf • Cross section • Floating water plant • Air spaces

  35. BOTANY • Begonia leaf • Cross section • Air space • Guard cells (stomata)

  36. BOTANY ANGIOSPERMS Leaf • Surface view • Low magnification (about 50X) • Notice the chloroplasts

  37. BOTANY • Mangrove leaf, x.s. • Low magnification • Phase contrast photo

  38. BOTANY • Mangrove leaf, x.s. • Through central vein • Phloem • Xylem Phase contrast photo

  39. BOTANY • Mangrove leaf, x.s. • Section through small vein Phase contrast photo

  40. BOTANY • Syringa leaf, x.s. • Low magnification

  41. BOTANY • Zea mays leaf, x.s. • Leaf vein

  42. BOTANY • Oleander leaf, x.s. • Pit to reduce water loss • Phase contrast photo

  43. BOTANY • Elodea meristem (rapidly dividing cell region) • Longitudinal section, l.s.

  44. BOTANY ANGIOSPERMS FLOWER

  45. BOTANY • Lotus bud, l.s. • Base (peduncle) • Flower

  46. BOTANY Flower petals

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