Photomicrographs Plant Tissues. BOTANY Algae Cladophora species Filament in form Several cells. - презентация

1 Photomicrographs Plant Tissues

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 Euglena gracilis 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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