Encalypta mutica

I. Hagen

Tromsø Mus. Aarsh. 21: 91. 1899,.

Treatment appears in FNA Volume 27. Treatment on page 175. Mentioned on page 173.

Stems 5–8 mm, central strand weakly differentiated, small. Leaves elliptic to ligulate or lingulate, 1–2 mm; apices muticous, obtuse; margins plane to weakly recurved along one margin; costa subpercurrent, narrow, papillose distally; laminal cells 10–15 µm; basal-cells rectangular, 25–75 µm, smooth; basal marginal cells not differentiated. Specialized asexual reproduction absent. Seta 4–8 mm, brownish red to black. Capsule short-cylindric, 1–2.5 mm, smooth to weakly striate, yellowish-brown, exothecial cells rectangular, walls weakly thickened; peristome absent; operculum 0.5 mm. Calyptra 2–4 mm, smooth, lacerate at base. Spores 22–28 µm, papillose, dark-brown.


Habitat: Disturbed, exposed soil or soil over rocks

Distribution

V27 224-distribution-map.gif

Alta., B.C., N.W.T., Yukon, Alaska, nw Europe

Discussion

Encalypta mutica is a tiny species found on soil in naturally disturbed areas. It might be confused with E. flowersiana as both taxa are absent leaf awn and peristome, but E. mutica has much shorter leaves, smaller spores with granulate ornamentation, and an almost smooth capsule.

Selected References

None.

Lower Taxa

None.
... more about "Encalypta mutica"
Obtuse (?) +  and Muticous (?) +
Robert E. Magill +
I. Hagen +
rectangular +
fringed +  and lacerate +
thin-walled +
small +
papillose +  and smooth +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
furrowed +  and smooth +
yellowish-brown +
erect +  and inclined +
long-exserted +
short-cylindric +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
long-excurrent +
subpercurrent +
papillose +
autoicous +  and sexual +
Alta. +, B.C. +, N.W.T. +, Yukon +, Alaska +  and nw Europe +
distinct +
Disturbed, exposed soil or soil over rocks +
rhombic;quadrate +
lingulate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
conic-rostrate +
0.5 cm5 mm <br />0.005 m <br /> (?) +
c--shaped +
reduced to small +  and papillose +
frequently reduced;small +
Tromsø Mus. Aarsh. +
brownish red;black +
elongate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
rounded +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
phaneroporous +
Encalypta mutica +
Encalypta +
species +
papillose +
incrassate +
plant +  and gregarious +
small +  and medium-sized +