Handbook of British Hepaticae : containing descriptions and figures of the indigenous species of Marchantia, Jungermannia, Riccia and Anthoceros . ur pale yel-lowish green. Perichrctial leaves large, with fouror five very unequal, incurved segments. Calyxoblong-ovate, greenish, diaphanous above and pli-cate, mouth somewhat contracted, and unequallytoothed. Capsule ovate, dark brown, bispiral, attenuated in both directions.—{Plate 4, fig. 54.) Jungermannia ventricosa, Dicks. Stem ascending, rather branched; leavesaccumbent, subquadrate, obtusely emarginate,concave; perichaet
Handbook of British Hepaticae : containing descriptions and figures of the indigenous species of Marchantia, Jungermannia, Riccia and Anthoceros . ur pale yel-lowish green. Perichrctial leaves large, with fouror five very unequal, incurved segments. Calyxoblong-ovate, greenish, diaphanous above and pli-cate, mouth somewhat contracted, and unequallytoothed. Capsule ovate, dark brown, bispiral, attenuated in both directions.—{Plate 4, fig. 54.) Jungermannia ventricosa, Dicks. Stem ascending, rather branched; leavesaccumbent, subquadrate, obtusely emarginate,concave; perichaetial leaves adpressed, 3-4-fid ; stipules none; perianth ventricose. Jnngermannin ventricosa,Dicks. Crypt. II., p. 14. Jung., t. 28; Gott. andRab. Exs. 184, 185.,;and Pears. Exs. Hep. f. Jj. In woods. (Fr. Spring.) Sometimes growing inpatches,at othersscattercd amongstSphagnum. Stems \ to f inchlong, procumbent, rarely simple,more frequently once or twicebranched, the branches bearing in-novations. Leaves rather close,but scarcely imbricate, in two op- !35- posite rows, spreading, with the lateral margin Carr. 171 ; dense. HANDBOOK OF BRITISH HEPATICvE. 189 more or less incurved, subquaclrate, widely andobtusely notched at the apex, with the pointsacute, and sometimes involute (fig. 135); the lowerones cleft into three, or more rarely four, teeth,which are frequently unequal. Perichaetial leavesclosely embracing the calyx, cut at their apex intothree, four, or five acute, unequal teeth. Fruitterminal. Calyx at first spherical, and afterwardsoblong-ovate, plicate towards the apex, mouthcontracted and minutely toothed. Capsule deepbrown, furrowed ; elaters bispiral. Dr. Gottsche says that this species may alwaysbe distinguished from its allies by the violet colourof the cortical laver of the stem. Jung-ermannia porphyroleuca, Nees. Stem creeping, rather rigid; leaves ovate,bifid; lobes unequal, rather obtuse; peri-chaetial leaves multifid, attenuated at the bas
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