Page:Wayside and Woodland Blossoms.djvu/127

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We have already given the general characters of the Violet family on page, where the reader was referred to this page for a notice of the British species other than V. odorata. The present species, V. tricolor, differs from all the others in the fact that the two upper petals are very erect instead of leaning forward, and in the stipules being developed into large leaf-like organs. In addition, this species produces none of the cleistogamous flowers. The leaves, too, assume forms very different from those of the typical species. The flowers vary from white, through yellow to purple, or there may be a mixture of two or more of these tints. They grow in pastures and the waste corners of various fields, flowering from May to September, and are generally distributed. The other species are:—

Everybody knows a Mint when he comes upon it, by reason of its pungent odour, well represented by Spear-mint (Mentha