A very vigorous, laxly caespitose, shining, yellowish, dioecious moss, remarkably uncinate in every leaf and bud; stems 3-4 inches high, suberect, regularly pinnate; branches 1 cm long spreading, hooked; leaves 2-2.5 mm long, pellucid, circinate-falcate, very concave, ovate-acuminate, usually nerveless, sometimes with short, indistinct, double nerve; margin expanded, slightly denticulate (or more so on slender adventitious growths). Cells pellucid vermicular, 100 x 5 µ; lower cells shorter and wider; alar cells few, large, roundly quadrate, pellucid or yellowish. Fruit unknown. The general appearance is much like that of Drepanocladus uncinatus, but that has a long single nerve and more alar cells.
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