Citation: L., Sp. Pl. 1100 (1753).

Derivation: Latin pilula, a pill; alluding to the shape of the fruits.

Synonymy: Not Applicable

Common name: None

Description:
Rhizome long-creeping, filiform; sterile fronds scattered along the rhizome, simple and grass-like; sporocarps spherical, hard, solitary in the axils of the sterile fronds, sessile or shortly pedunculate, divided into 2 or 4 loculi containing microsporangia and megasporangia.

	habit
Image source: fig. 47b in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  6 temperate species, 1 in Australia.

Biology: No text

Author: Not yet available