S. aloides is an interesting native water-plant with a compact vasiform tuft of leaves, from the centre of which arises in summer a spike of unattractive blossoms.
A. Caroliniana is a very small and curious water-plant, which floats on water quite free of soil, the tufts of delicate green leaves like tiny emeralds.
Cape Pond-flower (Aponogeton) - A. distachyon is a beautiful and fragrant water-plant from the Cape of Good Hope, hardy in many parts of these islands.
H. Morsus-ranae is a native water-plant, having floating leaves and pretty white flowers, and well worth introducing to ponds.
I 7.Transverse section of the stele of the stem of a water-plant (Naias);