Flora of North America species comparison

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

apex apiculate;

hyaline cells efibrillose and nonseptate.

leaves narrowly triangular-lingulate, 1.5–2 mm, apex right-angled to apiculate, border moderately strong and greatly broadened at the base (more than 0.25 width);

hyaline cells rhombic, 0–1-septate, normally fibrillose near apex.

moderately tapering, leaves only moderately larger at branch tips.

not 5-ranked, terete, long and tapering.

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, 1.5–2.3 mm, straight, concave, apex strongly involute;

margins entire;

hyaline cells on convex surface with elliptic pores along the commissures, grading from moderate-sized pores near leaf apex to large pores at leaf base, concave surface with large round pores in proximal marginal regions of leaf.

unknown.

dioicous.

unknown.

27–32 µm, finely papillose on both surfaces;

proximal laesura less than 0.5 spore radius.

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.