when dry, on a seta 2in. long; lid rounded mammillate; per. teeth inner smooth entire.
Rocks, very rare. Forfarshire. Summer.
287. T. megapolitana. Hedw. St. loosely cæspitose, brownish below; l. from a whitish sheathing base, spreading and recurved, linear-lanceolate concave opaque serrate, cirrhate when dry; per. l. internal ovate-lanceolate thinner; caps. oblong horizontal, somewhat striate when dry; lid convex, not apiculate; per. teeth internal with numerous appendiculate cilia. [Schp. Syn., 431.]
Ben Lawers, 1866 (Dr. Stirton). Summer.
47. AULACOMNION. Schw.
288. A. palustre. Schw. St. 2-4in. branched, beset with reddish radicles; l. oblong-lanceolate, denticulate at apex, flexuose undulate, crisped when dry, papillose on both sides; caps. ovate-oblong, gibbous, cernuous, curved; lid conical, with a blunt beak; barren fl. discoid: dioicous.
Turfy bogs and marshes. V. VI.
var. β. imbricatum. "l. broader imbricate, entire, not
twisted when dry.
γ. fasciculare. st. with many short innovations and fasciculate leaves; ramuli flagelliform from axils of fl. leaves.
δ. polycephalum. "st. decumbent branched; pseudopodia elongated numerous."
289. A. androgynum. Schw. St. less than 1in., nearly
simple; l. lower lanceolate, upper longer, all denticulate at
apex, not flexuose nor crisped when dry, papillose, margin
