Erysimum — Chambers's Encyclopaedia

Erysimum, a genus of Cruciferae allied to Hedge-mustard (Sisymbrium) and Dame's Violet

A detailed botanical illustration of Sea-holly (Eryngium maritimum). The drawing shows a cluster of large, deeply lobed leaves with prominent, sharp spines along the margins. At the top, there is a single, large, sessile flower head (umbel) with many small, tubular florets. The leaves are shown in a natural, overlapping arrangement, and the overall appearance is reminiscent of a holly leaf but with a more spiny texture. — Sea-holly (*Eryngium maritimum*).

(Hesperis). The seeds of E. cheiranthoides were formerly employed as an anthelmintic, hence the name of Worm-seed. It is also called Treacle Mustard, because an ingredient in the famous Venice Treacle. The seeds of E. perfoliatum are used as a source of oil in Japan.