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 triangular to lingulate-triangular, apex apiculate, acute and sometimes slightly obtuse, spreading or sometimes appressed;

hyaline cells nonseptate and often fibrillose at leaf apex.

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

straight to distinctly curved, leaves unranked to 5-ranked, leaves not greatly elongate at branch 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 to ovate-lanceolate, greater than 1.2 mm, often subsecund, slightly undulate and slightly recurved when dry;

margin entire;

hyaline cells on convex surface with 1 pore per cell in apical end, on concave surface with round wall thinnings in the cell ends and angles; chlorophyllous cells equilateral to isosceles-triangular, well-enclosed on the concave surface.

often monoicous.

dioicous.

20–27 µm, finely papillose on both surfaces;

proximal laesura less than 0.5 spore radius.

not seen.

fascicles with 2 spreading and 1–2 pendent branches.;

branch stems with cortex enlarged with conspicuous retort cells, sometimes reddish at proximal end.