Dicranoweisia roellii Kindberg ex Röll 1896

Dicranoweisia roellii Kindb.; Roll, Hedwigia 35 : 59. 1896
Autoicous : male flower near the base of the perichaetium, the inner perigonial leaves broad, pale, narrowly cost ate, rather abruptly and acutely pointed, less than twice as long as the 10-12 antheridia, the latter about 0.3 mm. long with paraphyses a little longer: plants in rather compact, brownish-green tufts, with often branching stems scarcely 1 cm. high: stemleaves crispate when dry, up to about 2.5 mm. long, from a somewhat narrowly ovate base, rather gradually narrowed to a subulate, entire point, more or less rough with mamillose cells, the leafmargins somewhat incurved; costa near the base about 50 /a wide, often excurrent one fifth its length; alar cells scarcely or not differentiated; lower leaf-cells rectangular, with slightly or not thickened walls, becoming gradually shorter upward, in the narrow blade above about 6 p. by 4^8 p ; perichaetial leaves similar to the upper stem-leaves but with a little broader base more abruptly narrowed to the subula: seta erect, pale-reddish, 5-7 mm. long; capsule erect, symmetric, oval, about 1 mm. long, pale-brown, with thin walls, rugose and irregularly furrowed, especially at base, when dry; peristome-teeth projecting only 60-70 fx above the mouth, undivided, reddish-brown, papillose throughout, with 6-8 rather distinct articulations; annulus wanting; lid low, with oblique subula, about one half as long as the capsule: spores slightly rough, up to 14/x in diameter.
Typ£ locality : Mount Hood, Oregon, at 2400 meters elevation. Distribution: Known only from the type locality.