Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules absent;

central strand weak.

branched;

axillary hyaline nodules weak;

central strand weak.

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 20 pairs, oblong to lanceolate, obtuse-apiculate to acute-apiculate, to 2 × 0.5 mm;

dorsal lamina rounded proximally, ending at insertion, not decurrent;

vaginant laminae ± 2/3 leaf length, ± equal, minor lamina ending on or near margin;

margin crenulate-serrulate, more strongly serrulate on vaginant laminae;

costa ending 1–2 cells before apex or ending in apiculus, taxifolius-type;

laminal cells irregularly 2-stratose in dorsal and ventral laminae, smooth, bulging, firm-walled, rounded-hexagonal, 7–9 µm, papillose in cell corners with 2–4 ± inconspicuous papillae in vaginant laminae.

to 5 mm.

to 10 mm.

rhizautoicous and gonioautoicous.

dioicous;

perigonia and perichaetia gemmiform, axillary, confined to proximal parts of stems.

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

peristome scariosus-type;

operculum to 0.5 mm.

theca to 1 mm, erect, ± arcuate, bilaterally symmetric, about 1 mm;

peristome taxifolius-type;

operculum 1 mm.

cucullate, smooth, to 0.6 mm.

cucullate, smooth, 0.6 mm.

9–13 µm.

14–18 µm.

1 per perichaetium.

1 per perichaetium.