Teasle. Wild Teasle (Dipsacus sylvestris) centre. Small Teasle (D. pilosus) right. Fuller's Teasle (D. Sullonum) left, showing the hooked spines on the seed head which was used to raise nap on woollen cloth. From The Flowering Plants of Great Britain by Anne Pratt (London, c1900). Chromolithograph.

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