Helobiae, or MARSH LILIES, form one of the chief groups of Monocotyledons, and comprise the four orders Butomaceæ, Alismaceæ, Juncagineæ, and Hydrocharideæ.
Helobiae
Chambers's Encyclopaedia, Volume 5: Friday to Humanitarians, p. 636
Source scan(s): p. 0651