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From May to July the conspicuous yellow flowers of this Iris, guarded by their long, blade-like leaves, adorn the margins of rivers, ponds, lakes and lowly ditches. The flowers are of more than usual interest as all their parts are arranged in threes, and the larger petal-like forms are really sepals, the true petals being quite narrow and in the centre of the flower. The arched and re-curved form on the sepal is the style. |
