Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules absent;

central strand weak.

branched;

axillary hyaline nodules absent;

central strand present.

as many as 12 pairs, oblong to lanceolate, acute to obtuse-apiculate, most ending in a clear, sharp cell, to 1.8 × 0.4 mm;

dorsal lamina narrowed or rounded proximally, ending at or before insertion, not decurrent;

vaginant laminae 1/2–2/3 leaf length, unequal, minor lamina ending near margin;

margin serrulate, limbate and entire to remotely denticulate on proximal 2/3 or less of vaginant laminae of most leaves of perichaetial stems, often absent from leaves of infertile stems, limbidium intralaminal in part or completely, limbidial cells 1-stratose;

costa ending 2–4 cells before apex or percurrent, ending in apiculus, infrequently short-excurrent, bryoides-type;

lamina cells 1-stratose, pluripapillose, obscure, firm-walled, rounded-hexagonal, 5–8 µm, twice as deep as wide.

as many as 28 pairs, sometimes ± undulate, oblong, obtuse-apiculate to acute, to 2.4 × 0.3–0.4 mm;

dorsal lamina narrowed proximally, ending before or at insertion;

vaginant laminae 1/2–2/3 leaf length, acute, ± unequal, minor lamina ending near margin;

margin evenly crenulate-serrulate but irregularly serrate distally;

costa ending 6–16 cells before apex, covered and obscured above by chlorophyllose cells, taxifolius-type;

lamina cells irregularly 2-stratose, smooth, bulging, firm-walled, irregularly rounded-hexagonal, 7.5–10 µm. Sexual condition gonioautoicous and cladautoicous;

perigonia gemmiform, axillary, and on short branches;

perichaetia on short axillary branches near proximal ends of stem.

to 5 mm.

1.5–5.5 mm.

rhizautoicous and gonioautoicous.

theca exserted, erect, radially symmetric, to 0.8 mm;

peristome scariosus-type;

operculum to 0.5 mm.

theca 0.8–2.1 mm, erect, radially symmetric or nearly so;

peristome taxifolius-type;

operculum long rostrate, 0.6–0.9 mm.

cucullate, smooth, to 0.6 mm.

cucullate, smooth, 1.5 mm.

9–13 µm.

13–18 µm.

1 per perichaetium.

1 per perichaetium.