Flora of North America species comparison

leaves spatulate to broad-spatulate, 0.8–1.5(–2) mm, strongly lacerate across the broad apex and often part way down the margins, border scarcely to strongly broadened at base (0.25 width of base or less);

hyaline cells rhomboid, efibrillose and often 1–2-septate.

leaves broadly oblong-triangular, 1.2–1.5 mm; mostly appressed to stem;

apex obtuse;

hyaline cells narrow, usually nonseptate, efibrillose and aporose on convex surface near apex, on concave surface usually efibrillose with irregular pores along commissures in distal portion of leaf.

not 5-ranked, quite terete, long, and slender Branch fascicles with 1– 2 spreading and 1–2 pendent branches.

with loosely imbricate leaves; often 5-ranked;

leaves little to somewhat elongated at distal end.

ovate to ovate-lanceolate; 1.1–1.5(–2) mm, slightly concave, straight;

apex involute;

margins entire;

hyaline cells on convex surface with numerous pores along the commissures grading from small pores near leaf apex to large pores at base, concave surface with large round pores at leaf apex and along margins.

ovate, ovate-lanceolate to lanceolate; 2–3.5 mm;

flat and undulate at margins and recurved at apex when dry; straight;

margins entire;

hyaline cells on concave surface with very numerous, small ringed or unringed pores along the commissures, 5–12 in distal portion of leaf and 20–27 in proximal portion, convex surface with 5–15 pores per cell in distal portion of leaf and 14–21 in proximal portion, pores usually without a ring; chlorophyllous cells triangular to trapezoidal in transverse section and exposed slightly on concave surface.

often monoicous.

dioicous.

20–27 µm, finely papillose on both surfaces;

proximal laesura less than 0.5 spore radius.

ca. 30 µm;

very slightly roughened.

fascicles with 2 spreading and 2–3 pendent branches.;

branch stems green, with cortical cells in 1 layer with conspicuous necks.