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A. Typical leaves in comparison
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Leaf types, composite slide of three t.s. through hydrophytic, mesophytic, and xerophytic leaves
Monocot and dicot leaf epidermis with stomata, two w.m. in one slide for comparison
Monocot and dicot leaves, two t.s. in one slide for comparison |
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B. Leaf epidermis and stomata
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Allium cepa, onion, leaf epidermis with stomata w.m.
Begonia or Sedum, leaf epidermis w.m. showing scattered stomata with many accessory cells
Calla, leaf epidermis with stomata w.m.
Dianthus, leaf epidermis w.m. showing stomata with two accessory cells
Grass, leaf epidermis w.m. or horizontal sec. showing stomata of a gramineous plant
Helleborus niger, leaf epidermis w.m. with stomata
Iris, leaf epidermis w.m. showing stomata in rows
Lilium, lily, leaf epidermis with stomata w.m.
Nerium, oleander, leaf with sunken stomata t.s., showing the typical structures of a xerophytic leaf
Nerium, oleander, xerophytic leaf with sunken stomata t.s.
Ruellia, t.s. of leaf showing raised stomata
Saccharum (blade), epidermis with stomata w.m.
Saxifraga, leaf epidermis w.m. or horizontal sec. showing stomata without accessory cells
Sedum, epidermis with stomata w.m.
Solanum tuberosum, potato, leaf t.s. showing raised stomata
Tulipa, tulip, leaf epidermis with stomata w.m., showing large stomata and guard cells for general study |
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C. Leaf hairs and emergences
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Aesculus hippocastanum, chestnut, leaf bud scales with colleteres t.s
Elaeagnus, olive tree, scale-like stellate hairs w.m.
Galium, w.m. of leaf showing climbing hairs
Nicotiana tabacum, tobacco, leaf with glandular hairs t.s.
Pelargonium, geranium, t.s. of leaf with multicellular glandular hairs
Urtica, stinging nettle, stinging hairs with poison ducts
Verbascum, leaf with branched hairs t.s.
Verbascum, mullein, branched leaf hairs w.m. |
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D. Typical monocot leaves
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Allium schoenoprasium, chive, t.s. of an unifacial folding leaf
Aloe, leaf t.s.
Canna indica, leaf t.s.
Festuca, grass, t.s. of leaf
Galanthus, snowdrop, leaf t.s.
Hyacinthus, t.s. of leaf
Iris, typical isobilateral leaf t.s.
Lilium, lily, leaf t.s. showing arm palisade cells
Musa, banana, leaf t.s.
Narcissus, daffordil, t.s. of leaf
Poa annua, meadow grass, leaf t.s.
Saccharum, sugarcane, leaf t.s.
Secale, rye, t.s. of stem enclosed in sheath leaves
Triticum, wheat, t.s. of leaf showing stomata
Tulipa, tulip, t.s. of leaf
Zea mays, corn, monocot gramineous leaf t.s. |
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Asclepias, milkweed, leaf with lactiferous vessels t.s.
Begonia, leaf t.s.
Belladonna, deadly nightshade, leaf t.s.
Beta vulgaris, beet, leaf t.s.
Brassica, cabbage, t.s. of leaf
Camellia (Thea) sinensis, tea plant, leaf t.s.
Coffea arabica, coffee, leaf t.s.
Dictamnus, t.s. of leaf showing crystals
Eucalyptus, an isobilateral foliage leaf t.s.
Fagus, beech, sun and shadow leaves t.s. on same slide for comparison of the different structures
Ficus elastica, India rubber plant, leaf with cystoliths t.s.
Gossypium, cotton, leaf t.s.
Hedera, ivy, t.s. of evergreen leaf
Helianthus, sunrose, t.s. of dorsiventral dicot leaf
elleborus, t.s. of a typical mesophytic dicot leaf for general study, showing large cellular structures
Ligustrum, paradermal (horizontal) l.s. through all leaf layers
Ligustrum, privet, t.s. of dicot leaf
Lycopersicum, tomato, leaf t.s.
Medicago sativa, alfalfa, leaf t.s.
Netted venation, portion of dicot leaf w.m. showing venation only
Populus, poplar, leaf with calcium oxalate crystals t.s.
Quercus, oak, t.s. of leaf showing stomata
Ranunculus, buttercup, t.s. of dicot leaf
Rosa , rose, leaf with several palisade layers t.s.
Sagittaria, arrowhead, leaf t.s.
Syringa, lilac, t.s. of a typical mesophytic dicot leaf for general study, showing all structures very clearly
Syringa, paradermal l.s. through all leaf layers
Vitis vinifera, grape, leaf t.s. |
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F. Adaptation to water:
hydrophytes and hygrophytes
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Calla palustris, t.s. of leaf of a typical marshy plant
Eichhornia, water hyacinth, aquatic leaf t.s.
Elodea, t.s. of leaf showing the simple structure of an aquatic leaf
Elodea, w.m. of leaf showing large chloroplasts
Impatiens, hydrophytic foliage leaf t.s.
Lemna, duckweed, t.s. of leaf
Myosotis palustris, w.m. of leaf showing hairs for water reservoir
Nymphaea, water lily, floating leaf of an aquatic plant with air chambers t.s.
Potamogeton, pondweed, leaf t.s.
Tropaeolum, nasturtum, showing hydathodes, w.m. or t.s.
Vallisneria, tape grass, leaf of an aquatic plant t.s. |
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G. Adaptation to dry habitat: xerophytes
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Agava, xerophytic leaf with thick epidermis t.s.
Ammophila, xerophytic leaf t.s.
Calluna, ling, revolute leaves t.s.
Cistus, leaf of an evergreen xerophytic shrub t.s.
Clivia nobilis, leaf t.s. showing typical xerophytic thick epidermis
Erica, xerophytic leaf t.s.
Hakea, a proteacean, leaf t.s.
Ilex, holly, leaf t.s.
Larea tridentata, creosote bush, leaf of a desert plant t.s.
Lavandula, lavender, leaf with oil sacs, t.s.
Nerium, oleander, leaf with sunken stomata t.s., showing the typical structures of a xerophytic leaf
Olea, olive tree, leaf t.s.
Sedum, stonecrop, a typical succulent leaf t.s.
Sempervivum, t.s. of leaf for succulence
Sempervivum, t.s. of succulent leaf
Stipa capillata, t.s. of revolute grass leaf |
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H. Adaptation to unusual modes of nutrition |
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Dionaea, Venus flytrap, t.s. of leaf with digestive glands
Dischidia, t.s. of pitcher leaf showing cauline root
Drosera, leaf with glandular hairs t.s.
Drosera, sundew, leaf with glandular hairs w.m.
Lathraea squamaria, t.s. of leaf without chloroplasts
Nepenthes, pitcher plant, t.s. of pitcher with digestive glands
Pinguicula, butterwort, leaf with glandular cells t.s.
Sarracenia, pitcher plant, leaf t.s.
Utricularia, bladderwort, w.m. of bladder
Utricularia, t.s. through leaves and bladders
Viscum album, mistletoe, t.s. of leaf showing chloroplasts |
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I. Leaf buds, leaf joints, leaf abscission |
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Acer platanoides, maple, t.s. of petiole
Aesculus hippocastanum, t.s. of leaf bud showing bud squama and embedded, folded leaves
Aesculus, leaf base with leaf abscission l.s.
Fagus, beech, leaf bud l.s. showing leaf development
Fagus, beech, leaf bud t.s. showing leaf development
Mimosa pudica, sensitive plant, l.s. of leaf joint
Robinia pseudacacia, black locust, leaflets with pulvini l.s. |
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