Phellandrium aquaticum, spec. nov.

1. Phellandrium foliorum ramificationibus divaricatis.

Phellandrium. Hort. cliff. 100. Fl. suec. 238. Roy. lugdb. 108. Dod. pempt. 591.

Cicutaria palustris tenuifolia. Bauh. pin. 161.

Habitat in Europae fossis. ♂