Pottiaceae subfam. Trichostomoideae

(Schimper) Brotherus in H. G. A. Engler and K. Prantl

in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 212[I,3]: 381. 1902,.

Basionym: Undefined subfam. Trichostomaceae Schimper Syn. Musc. Eur., 141. 1860 (as Trichostomeae)
Treatment appears in FNA Volume 27. Treatment on page 485. Mentioned on page 477, 489.

Plants green to tan. Stem central strand present or absent, sclerodermis commonly poorly differentiated, hyalodermis commonly present. Leaves lanceolate to linear, apex acute, margins plane to weakly incurved or involute; distal laminal cells if 2-stratose stacked directly over one another, walls smooth or papillose, KOH yellow, occasionally orange; costa lacking a differentiated abaxial epidermis; gemmae uncommon, when present seldom clavate. Peristome present or absent.

Discussion

Genera 21 (7 in the flora).

Selected References

None.

elongate +  and quadrate +
of 1-2 rows +  and differentiated +
long-excurrent +  and short-excurrent +
Richard H. Zander +
(Schimper) Brotherus in H. G. A. Engler and K. Prantl +
reniform +  and rounded +
papillose +  and smooth +
usually slightly wider +
usually ovate;oblong +
Undefined subfam. Trichostomaceae +
obovoid +
mitrate +  and cucullate +
cleistocarpous +  and stegocarpous +
monoicous +, dioicous +  and sexual +
flat to bulging +
vesiculose +  and thick-walled +
few +  and several +
elongate-rhomboid +  and elongate +
tomentose +  and bare +
Worldwide +
differentiated +
multicellular +
yellow +  and orange-red or red +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
concave;keeled;channeled;ovoid;lanceolate or lingulate +
lanceolate +  and linear +
reduced +
dentate +  and entire +
short-conic;short-rostrate +
photosynthetic +
compound +, simple +, hollow +  and solid +
flattened +  and 2-fid +
lateral +  and terminal +
lateral +  and terminal +
red +, orange +  and yellow +
consisting of 16 mostly 2 times cleft spiculose striate or papillose lanceolate teeth , , , , +  and rudimentary +
in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. +
straight +
elongate +
2 +  and 1 +
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
rounded-triangular +  and rounded-pentagonal +
0.2 cm2 mm <br />0.002 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Pottiaceae subfam. Trichostomoideae +
Pottiaceae +
subfamily +
ovoid;cylindric +
orange +  and yellow +
stemless +  and perigoniate +
occasionally smaller than the perichaetiate +