This image shows a vascular bundle from the midrib of a leaf. The xylem -{1} is situated above the phloem towards the upper surface. Beneath this point, cambium -{2} is present - which will have originally divided to produce xylem and phloem -{3}. The very large cells surrounding the whole structure are parenchyma cells -{4}. Note that the colours and shades in this image are not truly representational of the true colours of a 'stained' plant tissue. This is a result of reducing the number of colours in the image to reduce file size. See more here: Leaf sections and stomata in our Gallery Visit the Botany Section in the Museum
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