Sematophyllum marylandicum

(Müller Hal.) E. Britton

Bryologist 5: 66. 1902.

Endemic
Basionym: Hypnum marylandicum Müller Hal. Syn. Musc. Frond. 2: 328. 1851
Treatment appears in FNA Volume 28. Treatment on page 574.

Plants medium-sized to large, green, yellow-green, or golden brown, glossy. Stems 3–5 cm, branches creeping. Leaves erect to erect-spreading, oblong-ovate, tapering gradually to apex, 1.5–2 mm; margins plane; apex sometimes apiculate; alar cells conspicuously enlarged, inflated, yellow to yellow-orange or unpigmented, in several rows, supra-alar cells few, rhomboid; laminal cells flexuose. Specialized asexual reproduction absent. Seta 1–2 cm. Capsule inclined to horizontal, 1–1.2 mm.


Phenology: Capsules mature spring.
Habitat: Wet rock, by streams, cliffs
Elevation: low to moderate elevations

Distribution

V28 897-distribution-map.gif

Nfld. and Labr. (Nfld.), N.S., Ala., Conn., Ga., Ky., Md., N.Y., N.C., Ohio, Pa., Tenn., Vt., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.
acute;acuminate +
Wilfred B. Schofield† +
(Müller Hal.) E. Britton +
Hypnum marylandicum +
cucullate +
inclined +  and horizontal +
short-cylindric +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
yellow +  and yellow-orange or unpigmented +
specialized +
autoicous +, dioicous +, synoicous +  and sexual +
rhomboid +  and inflated +
enlarged +
differentiated +
Nfld. and Labr. (Nfld.) +, N.S. +, Ala. +, Conn. +, Ga. +, Ky. +, Md. +, N.Y. +, N.C. +, Ohio +, Pa. +, Tenn. +, Vt. +  and W.Va. +
low to moderate elevations +
Wet rock, by streams, cliffs +
papillose +  and smooth +
falcate-secund +
erect +  and erect-spreading +
tapering;oblong-ovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
small;large +
Capsules mature spring. +
light-brown +, red +  and reddish-brown +
elongate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
falcate-secund +
widespreading +  and erect-spreading +
tapering;lanceolate;broadly ovate +
branched +  and not complanate-foliate +
redbrown +  and reddish green +
arching +, erect +, sometimes +  and reclining +
3 cm30 mm <br />0.03 m <br /> (?) +  and 5 cm50 mm <br />0.05 m <br /> (?) +
Sematophyllum marylandicum +
Sematophyllum +
species +
golden brown;yellow-green;golden brown;yellow-green;green +
medium-sized +  and large +