Flora of North America species comparison

leaves triangular, 0.7–0.9 mm, appressed to stem;

apex apiculate;

hyaline cells efibrillose and nonseptate.

leaves triangular-lingulate, 1.2–1.6 mm, broadly apex acute to narrowly truncate and toothed, border narrow or indistinct at base (less than 0.25 the width);

hyaline cells rhomboid, mostly 0–1-septate;

convex surface with membrane pleats, concave surface with 1–3 rounded membrane gaps occupying most of cell.

moderately tapering, leaves only moderately larger at branch tips.

somewhat 5-ranked.

ovate-lanceolate, 1–1.4 mm; straight;

stiff, not undulate and slightly recurved;

margins entire;

hyaline cells efibrillose, convex surface with 1 pore per cell at cell apex, on concave surface with round wall thinnings in the cell ends and angles; chlorophyllous cells triangular in transverse section and well enclosed to just reaching concave surface.

ovate-lanceolate, 1.3–2 mm, strongly concave, apex strongly involute;

margins entire to somewhat toothed near apex, hyaline cells on convex surface with numerous ringed elliptic pores (6–10) along commissures, concave surface mostly aporose except near margins;

Sexual condition dioicous or monoicous.

unknown.

unknown.

21–23 µm; minutely papillose.

fascicles with 2 spreading and 2 pendent branches.;

branch stems green;

cortex enlarged with conspicuous retort cells.

fascicles with 2 spreading and 1–2 pendent branches.