Flora of New Zealand Series

Protocorm tuberous, annually reproduced, with apical tuft of terete lvs. Roots scanty, arising just below lvs. Peduncle from apex of tuber, short, rarely branched, with terminal fertile region. Bracts imbricate, ovate, cuspidate. Sporangia 1-celled, reniform, solitary in axils of bracts. Spores small, ∞, trisulcate. The single known sp. occurs in N.Z., Tasmania, Victoria, W. Australia.