1a

Sambucus, pith parenchyma cell

41a

Fraxinus wood, t.s.

2b

Myriophyllum aerenchyma w/druse

42a

Cornus florida wood, x.s. diffuse porous

3b

Myriophyllum druse w/polarized light

43a

Pinus wood, x.s.

4b

Ornithogalum, raphid cell, x.s.

44a

Pinus wood, r.s.

5b

Ornithogalum, raphid cell, l.s.

45a

Pinus wood, r.s.

6b

Ornithogalum raphids

46a

Pinus wood, r.s.

7b

Ornithogalum raphids w/polarized light

47a

Pinus,, cortical resin duct

8a

Solanum tuber, fresh

48a

Pinus, xylary resin duct

9b

Solanum tuber, fresh w/polarized light

49a

Cucurbita, phloem x.s.

10a

Allium, epidermis peel, fresh

50a

Cucurbita, phloem, l.s.

11a

Elodea leaf, fresh

51a

Robinia xylem, l.s. bordered pit hairs

12a

Nymphaea, astrosclereid

52a*

Cyperus papyus, stem, x.s.

13b*

Nymphaea, astrosclereid w/polarized light

53a

Zea mays stem, vascular bundle

14a

Hoya pith, sclereid

54a*

Myriophyllum stem, hydrophyte

15a

Hoya pith, sclereid+B39 w/polarized light

55a

Aristolochia stem, vine

16a

Apium petiole, collenchyma

56b

Leaf primordia, x.s.

17a

Zea root tip, l.s. autoradiography

57b

Dicot leaf, cleared

18a

Zea root tip

58b

Monocot leaf, cleared

19a

Rananculus acris, root, x.s.

59a

Dionaea muscipula leaf, glandular trichome

20a

Casparian strip

60a

Coleus trichome, FL & Darkfield

21a

Smilax herbacea, root, x.s.

61a

Citrus leaf, oil gland

22a

Zea mays, root, x.s., fluorescence (FL)

62b

Lycopersicon leaf, dicot

23a

Zea, lateral root initiation I

63b

Eleagnus leaf, dicot

24a

Zea, lateral root initiation II

64b

Zea leaf, monocot

25a

Zea, lateral root initiation III

65a*

Zea leaf, FL

26a

Ricinus, shoot tip, l.s.

66a

Zea leaf bundle

27a

Coleus, shoot apex, l.s.

67b

Nymphaea, leaf, hydrophyte

28a

Coleus, axillary bud, l.s.

68b

Ficus leaf, xerophyte

29a

Coleus, shoot apex, x.s.

69a

Ficus leaf, FL

30a

Sequoia sempervirens, shoot apex, x.s.

70b

Nerium leaf, xerophyte

31a

Medicago stem, x.s.

71b

Pinus strobus, leaf x.s.

32a

Lycopersicum stem, x.s.

72b

Pinus nigra, leaf x.s.

33a

Latuca, stem, vascular bundle

73c

Aquilegia flower, l.s. hypogynous

34a

Sambucus stem, early periderm

74c

Aquilegia, x.s.

35a

Sambucus stem, tenticil

75c

Aquilegia, x.s.

36a

Helianthus, early vascular cambium

76c

Helianthus florets, l.s. epigynous

37

Pinus, vascular cambium

77c

Helianthus, x.s., base of nectary

38a

Tilia stem, phloem, 3 yr.

78c

Helianthus, x.s., free filaments

39a

Fraxinus wood, x.s. ring porous

79c

Helianthus, x.s., fused anthers

40a

Fraxinus wood, r.s.

80c

Enlargement of Helianthus fused anthers