Photomicrographs
Plant Tissues
BOTANY





Algae
Cladophora species
Filament in form
Several cells
BOTANY





Algae
Acetabularia
species
Many cells
BOTANY




Algae
Oedogonium
species
BOTANY




Algae
Spirogyra species
BOTANY




Spirogyra species
Filamentous algae
Conjugation
(sexual
reproduction)

Phase contrast photo
BOTANY






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




Algae
filament
BOTANY




Algae
Chara species
Many cells
BOTANY





Algae
Chlamydomonas sp.
One cell
BOTANY




Algae
Euglena gracilis
One cell with
flagella
BOTANY





Algae
Oscillatoria species
Filament in form
Series of cells
BOTANY





Algae
Ulothrix species
Many cells in
filament
BOTANY






Algae
Volvox species
Hundreds of cells
in hollow sphere
Cells have flagella

Spirogyra species
BOTANY




Green algae
Pediastrum species
Group of cells
BOTANY




Oscillatoria species
Algae
Many cells
BOTANY
ANGIOSPERMS
ROOTS
BOTANY







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

Salix root, x.s.
Low magnification
Vascular bundle
BOTANY





Ranunculus root,
x.s.
Low magnification
Vascular bundle
BOTANY
ANGIOSPERMS
STEMS
BOTANY






ANGIOSPERMS
Stem
Arrangement of
bundles
Low magnification
BOTANY






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




ANGIOSPERMS
Growth ring
(xylem)
Tilia stem
Basswood tree
BOTANY







ANGIOSPERMS
Coleus stem
Cross section of
bundle
Xylem -- inside
Phloem -- outside
BOTANY




Medicago stem,
x.s.
Vascular bundles
in ring
BOTANY



Soft
tissue




ANGIOSPERMS
Stem, composite
Cross section
Low magnification
BOTANY





ANGIOSPERMS
Cells in stem
Thickened xylem
Cross section
BOTANY



Bamboo stem
Cross section
BOTANY








ANGIOSPERMS
Xylem cells in
stem
Longitudinal
section
Annular rings (left)
Spiral rings (right)

Rings ...
BOTANY




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



Tilia stem, 3-year,
x.s.
BOTANY
ANGIOSPERMS
LEAF
BOTANY







Castalia leaf
Cross section
Floating water
plant
Air spaces
BOTANY






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






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



Mangrove leaf,
x.s.
Low magnification



Phase contrast photo


BOTANY





Mangrove leaf, x.s.
Through central vein
Phloem
Xylem

Phase contrast photo
BOTANY





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




Syringa leaf, x.s.
Low magnification
BOTANY





Zea mays leaf,
x.s.
Leaf vein
BOTANY



Oleander leaf, x.s.
Pit to reduce water
loss



Phase contrast photo


BOTANY


Elodea meristem

(rapidly dividing cell region)



Longitudinal
section, l.s.
BOTANY
ANGIOSPERMS
FLOWER
BOTANY




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

Flower petals
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Plant tissues

  1. 1. Photomicrographs Plant Tissues
  2. 2. BOTANY     Algae Cladophora species Filament in form Several cells
  3. 3. BOTANY    Algae Acetabularia species Many cells
  4. 4. BOTANY   Algae Oedogonium species
  5. 5. BOTANY   Algae Spirogyra species
  6. 6. BOTANY    Spirogyra species Filamentous algae Conjugation (sexual reproduction) Phase contrast photo
  7. 7. BOTANY      Algae Spirogyra species Filament in form Spores: union of 2 cells Bridge
  8. 8. BOTANY   Algae filament
  9. 9. BOTANY    Algae Chara species Many cells
  10. 10. BOTANY    Algae Chlamydomonas sp. One cell
  11. 11. BOTANY    Algae Euglena gracilis One cell with flagella
  12. 12. BOTANY     Algae Oscillatoria species Filament in form Series of cells
  13. 13. BOTANY    Algae Ulothrix species Many cells in filament
  14. 14. BOTANY     Algae Volvox species Hundreds of cells in hollow sphere Cells have flagella Spirogyra species
  15. 15. BOTANY    Green algae Pediastrum species Group of cells
  16. 16. BOTANY    Oscillatoria species Algae Many cells
  17. 17. BOTANY ANGIOSPERMS ROOTS
  18. 18. BOTANY       ANGIOSPERMS Dicot root Cross section Center of root Xylem form “X” Phloem at tip of xylem
  19. 19. BOTANY    Salix root, x.s. Low magnification Vascular bundle
  20. 20. BOTANY    Ranunculus root, x.s. Low magnification Vascular bundle
  21. 21. BOTANY ANGIOSPERMS STEMS
  22. 22. BOTANY     ANGIOSPERMS Stem Arrangement of bundles Low magnification
  23. 23. BOTANY      ANGIOSPERMS Bundle in stem Phloem (top) Cambium (middle) Xylem (bottom) (which is interior)
  24. 24. BOTANY     ANGIOSPERMS Growth ring (xylem) Tilia stem Basswood tree
  25. 25. BOTANY      ANGIOSPERMS Coleus stem Cross section of bundle Xylem -- inside Phloem -- outside
  26. 26. BOTANY   Medicago stem, x.s. Vascular bundles in ring
  27. 27. BOTANY   Soft tissue   ANGIOSPERMS Stem, composite Cross section Low magnification
  28. 28. BOTANY     ANGIOSPERMS Cells in stem Thickened xylem Cross section
  29. 29. BOTANY   Bamboo stem Cross section
  30. 30. BOTANY      ANGIOSPERMS Xylem cells in stem Longitudinal section Annular rings (left) Spiral rings (right) Rings reinforce the cell wall.
  31. 31. BOTANY   Tilia, 3-year stem, x.s. Bark
  32. 32. BOTANY  Tilia stem, 3-year, x.s.
  33. 33. BOTANY ANGIOSPERMS LEAF
  34. 34. BOTANY     Castalia leaf Cross section Floating water plant Air spaces
  35. 35. BOTANY     Begonia leaf Cross section Air space Guard cells (stomata)
  36. 36. BOTANY    ANGIOSPERMS Leaf Surface view Low magnification (about 50X) Notice the chloroplasts
  37. 37. BOTANY  Mangrove leaf, x.s. Low magnification  Phase contrast photo 
  38. 38. BOTANY     Mangrove leaf, x.s. Through central vein Phloem Xylem Phase contrast photo
  39. 39. BOTANY   Mangrove leaf, x.s. Section through small vein Phase contrast photo
  40. 40. BOTANY   Syringa leaf, x.s. Low magnification
  41. 41. BOTANY   Zea mays leaf, x.s. Leaf vein
  42. 42. BOTANY  Oleander leaf, x.s. Pit to reduce water loss  Phase contrast photo 
  43. 43. BOTANY  Elodea meristem (rapidly dividing cell region)  Longitudinal section, l.s.
  44. 44. BOTANY ANGIOSPERMS FLOWER
  45. 45. BOTANY    Lotus bud, l.s. Base (peduncle) Flower
  46. 46. BOTANY Flower petals
  47. 47. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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