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PLANT ANATOMY 1: PHANEROGAMS - FLOWERING PLANTS.....continued Cells
and Cell Organelles: Raphide producing cells and meristematic cells from the
tip of Hyacinth root - Nuclear membrane of an epidermal onion cell, tetracycline
fluorescence - Mitochondria and proplastids of an epidermal onion cell, phase
contrast - Cells from a Vallisneria spiralis leaf, interference contrast -
Plastids:
Chloroplasts with grana from cells of a Tradescantia shoot - Chromoplasts
from a nasturtium (Tropaeolum majus) petal - Chromoplasts from a carrot root (Daucus
carota), dichroism - Starch containing leucoplasts (starch grains, amyloplasts)
from a potato tuber (Solanum tuberosum) - Nuclear Division and Cell Division
in Meristematic Hyacinth Root Tip Cells:
- Interphase - Early and late prophase - Metaphase - Early and late anaphase
- Early and late telophase - Vacuole and Cell Wall: Concave and convex
plasmolysis - Cell walls of medulla cells of virgin’s bower (Clematis vitalba) -
Bordered pits from pine tracheids (Pinus silvestris) - Spherosomes. Storage
in the Cell: Spherosomes in epidermal onion cells (Allium cepa) - Aleurone
grains and fatty oil in the endosperm of a Ricinus communis seed - Tannins from
a rose shoot - Oxalate crystals in onion scale cells - Meristem. Parenchyma.
Aerenchyma. Epidermis: Meristematic tissue from the tip of an onion root
(Allium cepa) - Parenchyma tissue from a crowfoot root (Ranunculus sp.) -
Aerenchyma from a shoot of Juncus effusus - Epidermal cells from an agave leaf
(Agave americana) - Trichomes and Emergences: Papillae of a pansy petal
(Viola tricolour) - Glandular trichome of butterwort (Pinguicula sp.) - The
stinging hair of the nettle (Urtica dioica) - Prickle of a rose shoot (Rosa sp.)
- Supporting Tissue: Angular collenchyma from a stinging nettle shoot (Urtica
dioica) - lamellar collenchyma from an elder shoot (Sambucus nigra) - Stone
cells from the pith of a shoot of Hoya carnosa - Sclerenchyma fibres from the
bark of an oleander twig (Nerium oleander) - Conducting Tissue: Tracheids
from pine wood (Pinus silvestris) - Vessel with partly annular, partly helical
secondary wall structure and pitted vessel from a rhubarb shoot (Rheum sp.),
acridine orange fluorescence - Vessels with tyloses from the wood of false
acacia (Robinia pseudo-acacia.) - Sieve cells from pine bast (Pinus silvestris)
- Sieve tubes and companion cells from a gourd shoot (Cucurbita pepo),
longitudinal section - Sieve plates from a bryony shoot (Bryonia sp.) c.s. -
Callose on sieve plates of grape in winter (Vitis vinifera) - Vascular
Bundles and their Arrangement in the Shoot: Closed collateral vascular
bundle from a maize shoot (Zea mays) - Arrangement of the vascular bundles in a
maize shoot - Vascular bundle from a creeping crowfoot (Ranunculus repens) c.s.
- Arrangement of the vascular bundles in a creeping crowfoot shoot -
Bicollateral, open vascular bundle from a gourd shoot (Cucurbita pepo) -
Concentric, amphivasal vascular bundle from a lily-of-the-valley rhizome
(Convallaria majalis) - Wheat shoot (Triticum sp.) c.s. - Lily-of-the-valley
rhizome c.s. - Secondary Growth of the Shoot: Aristolochia sipho shoot
c.s. (Green birthwort) - Fascicular and interfascicular cambium from shoot of
Aristolochia c.s. - Aristolochia shoot, several years old c.s. - Sunflower shoot
(Helianthus annuus) c.s. - Pine Wood and Bast: Pine wood (Pinus
silvestris) c.s. - Radial section through pine wood - Tangential section through
pine wood - Pine bast c.s. - Lime Wood and Bast: Wood and bast of the
lime tree (Tilia sp.) c.s. - Lime wood (Tilia sp.) c.s. - Bast of lime c.s. -
Secondary Growth in Monocotyledons. Periderm and Bark: Dragon-tree shoot
(Dracaena sp.) c.s. - Periderm from an elder shoot (Sambucus nigra) c.s. - Fully
developed and developing lenticel from an elder shoot c.s. - Pine bark (Pinus
silvestris) c.s. - Vegetative Shoot Apex. Structure of the Leaf:
Vegetative shoot Apex from the tip of a water-weed shoot (Elodea canadensis) -
Hellebore leaf (Helleborus niger) c.s. - Vascular bundles from a hellebore leaf
(Helleborus niger) c.s. - Lower epidermis of the tulip leaf (Tulipa sp.). Seen
from the surface - Stomata and Leaf Stalk: Stomata from a hellebore leaf
(Helleborus niger). Seen from the surface. Interference contrast - Stoma from a
hellebore leaf c.s. - Leaf stalk of the horse-chestnut (Aesculus hippocastanum)
c.s. - Abscission zone at the base of the horse-chestnut leaf stalk c.s. -
Leaf Structure and Habitat: Maize leaf (Zea mays) c.s. - Sun and shade beech
leaves (Fagus sp.) c.s. - Oleander leaf (Nerium oleander) c.s. - Pine needle
(Pinus silvestris) c.s. - The Root: Tip of a hyacinth root (Hyacinthus
sp.) - Root cap from maize (Zea mays) with statoliths l.s. - Development of
vascular bundles in a barley root (Hordeum vulgare) c.s. - Root hairs from a
maize root (Zea mays). Interference contrast - Iris root (Iris germanica) c.s. -
Central Cylinder of a Crowfoot root (Ranunculus sp.) - Formation of Lateral
roots in the Broad Bean (Vicia faba) c.s. - Areal root of Dendrobium with
Velamen Radicum c.s. - Secondary Growth of the Root. Symbiosis: Formation
of the cambium in the root of a marsh marigold (Caltha palustris) c.s. - Pine
root (Pinus silvestris) c.s. - Root of Neottia nidus-avis with endomycorrhizae
c.s. - Root nodule from a lupin (Lupinus luteus) with nodule bacteria c.s. -
The Flower: The lily flower (Lilium sp.) c.s. - Cherry flower (Prunus avium)
l.s. - Anther from a lily (Lilium sp.) c.s. - Pollen grain from a lily c.s. -
Meiotic Nuclear Division in Pollen Mother Cells of the Lily: Pollen mother
cells of the lily (Lilium sp.) c.s. - Leptonema - Zygonema - Pachynema - Early
(top left) and late diplonema (top right) - Diakinesis - Metaphase I - Anaphase
I - Telophase I - Tetrad of microspores - Division of the microspore nucleus.
Telophase - Structure of the Ovary. Structure and Development of the Embryo
Sac: Ovary and ovules of the lily (Lilium sp.) c.s. - Ripe embryo sac of the
lily l.s. - Megaspore mother cell of the lily - Anaphase II of meiotic division
of the megaspore mother Cell of the lily - Pollen Tube. Double Fertilization.
Development of Embryo and Endosperm: Pollen tube of the lily and division of
the generative nucleus - Double fertilization in lily (Lilium sp.) - Early and
late stages in the Development of embryo and endosperm in shepherd’s purse (Capsella
bursa pastoris) - Development of Seed and Fruit: Shepherd’s Purse Fruit
with Seeds (Capsella bursa pastoris). Seeds both in cross section and in
longitudinal section - Young apple fruit (Pirus malus) c.s. - Wheat caryopsis (Triticum
sp.) l.s. - Wheat embryo l.s. |