Handbook of British Hepaticae : containing descriptions and figures of the indigenous species of Marchantia, Jungermannia, Riccia and Anthoceros . Tpical Jungermannia sociaas British. Jungermannia exsecta, Schmid. Stem nearly erect; leaves bifarious, spread-ing, concave, acute, margin one-toothed,emarginate ; perichastial leaves four-fid ;stipules none; perianth terminal, plicate. Jungermannia exsecta, Schmid. Ic. 244, t. 62,f. 2; Hook. Br. Jung., No. 14, Suppl. t. 1 ;Gott. and Rabh. Exs. 130, 177, 358; Pears. Exs. No. 108, Cooke Hep. f. 85. On boggy heaths. Forming small scattered pa
Handbook of British Hepaticae : containing descriptions and figures of the indigenous species of Marchantia, Jungermannia, Riccia and Anthoceros . Tpical Jungermannia sociaas British. Jungermannia exsecta, Schmid. Stem nearly erect; leaves bifarious, spread-ing, concave, acute, margin one-toothed,emarginate ; perichastial leaves four-fid ;stipules none; perianth terminal, plicate. Jungermannia exsecta, Schmid. Ic. 244, t. 62,f. 2; Hook. Br. Jung., No. 14, Suppl. t. 1 ;Gott. and Rabh. Exs. 130, 177, 358; Pears. Exs. No. 108, Cooke Hep. f. 85. On boggy heaths. Forming small scattered patches, somewhat stel-lately disposed, pale yellowish green. Stems pros-trate, j inch long, fra-gile, simple, or rarelywith a small shootat the base. Leavesimbricated in twoopposite rows,spreading or horizon-tal, gradually becom-ing smaller towardsthe base, where theyclosely surround and. 132. HANDBOOK OF BRITISH HEPATIC/E. 185 embrace the stem, ovate in figure, concave, or con-duplicate, very acute at the apex, furnished in themiddle of the upper margin with a strong sharptooth, pointing a little upwards (fig. 132). Fruit ter-minal. Calyx oblong-ovate, cut at the mouth into• four obtuse teeth. Capsule ovate. Elaters bispiral. Gemmae abundant in December and January, ofa deep orange colour. Jungermannia alpestris, Schl. Stems creeping, nearly simple ; leaves ac-cumbent, ovate, subquadrate, obliquefy two-toothed ; laciniae acute; perichaetial leavesbi- or tri-fid, erect, entire; stipules none;perianth oblong, terete; mouth obtuselyplicate. Jitngcrmannia alpestris, Schl. Exs. ii., 59;Gott. and Rabh. Exs. 190, 264, 265, 304,304^; Carr. and Pears. Exs. 109 ; CookeHep. fig. j8. Densely csespitose in Alpine regions. var, gclida, Tayl. Hook. Journ. IV., 1S45,p. 277; Carr. and Pears. Exs. No. ascending, 1 inch long, flexuous, apexinnovant; leaves approximate, erect,
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