Epidermis without pores, sometimes marked with dark gonidia
bearing cells. Inflorescence monoicous or dioicous, antical
(i.e. epigenous). Antheridia immersed in cavities scattered over
the frond, covered, solitary or few, rarely numerous. Involucre
shaped like a horn with an oblique scarious mouth. Perianth
and calyptra none. Oogonia solitary, naked, nestling in the
substance of the nerve. Emit pedunculate, siliquoid, two-valved,
traversed by a columella or dissepiment. Elaters either monospiral
or containing only a flexuo.se (not spiral) fibre.
O r d e r H E P A T I O Æ .
Suborder I. JUNGEBMANIACEM.
Tribe I. JUBULEAi.
Genus 1. FRULLANIA, Baddi.
Fndlania, Eaddi, Jung. Btr. in Act. Soo. Modena, xviii. p. 20 (1820).
Salviatus, Gray and Bennett, Nat. Arr. Br. PI. ii. p. 687 (1821).
Juhula, Dum. Comm. Bot. p. 112 (p.p.) (1822).
Plants usually large, rarely small, depresso-ciespitose and
stratified, often pendulous, somewhat firm, colour rarely green,
often reddish brown, sometimes almost black, in a few species rosy,
rarely shining. Stems firm, terete, opaque, cells small, pinnately
branched; branches exactly axillary, more contiguous to the lobe
than to the lobule ; true subfloral innovations wanting. Leaves
standing on a very small base, rarely half-embracing the stem,
almost exactly transverse complicato-bilobed ; antical lobe larger,
obliquely ovate or suhorbiculate, convex, incubous, often at the
antical base semicordate, quite entire, very rarely denticulate near
the apex; lobule cucullate, galeiform or saccate (campanulate or
digitiform), rarely evolute ovato-lanceolate, bipartite interior segment,
the one nearest the stem small or minute, triangular, subulate
or styliform. Cells usually small, in others minute, in a few
medium, almost suhequal, globose-hexagonal; walls thickened,
trigones and angles conspicuous. Stipules constantly present,
large, but smaller than the leaves, orbicular, oblong or cuneate,
base often cordate or crispato-auriculate, rarely subdecurrent, apex
bifid (in a few species entire). Rootlets where present produced