[Read before the Wellington Philosophical Society, 21st February, 1880.]

Tufts irregular, entangled, green; filaments capillary 1/2″ to 3/4″ long, flexuous, sparingly branched, branches spreading, with wide axils, dichotomous or alternate; articulations four to six times as long as broad, cylindrical, dissepiments slightly constricted.

Hab.—South Island: Okarito. Forming woolly-looking tufts on the rhizomes of Trichomanes colensoi—A. Hamilton.