b r l S or proliferous. Stolons long,
blanched, bearing white hair-like rootlets. Innoufsl
Ha the axils of the amphigastria,
or rarely from involucral bracts. Leaves
laT-er^^■mV crowded and
laiger, imbricating regularly (fig. 156), erect, adpressed,
_ plane or slightly concave,
orbiculate to reniform, entire
submarginate, at right angles or’
oblique, dorsal margin decurrent,
ventral rounded at the base (fig’
157); p a le g r e en b e low, or
yellowish - brown, purplish' or
maroon in upper portion. Amphigastria
ovate, subulate. Dioicous.
Fertile stems thickened above
Involucral leaves terminal, two or
three pairs, larger and more reni-
form, terminal pair compressed,
1 1 1 , fiwolucral amphigastria ovate, irregularly
lobed. Perianth immersed, at first entire
at length quadripartite. Capsule dark brown, on
short pedicel._ Spores reddish-brown. Male shoots
slender. Perigonial leaves terminal, enclosing two
to three olive antheridia.
Nardia hyalina, Lyeli, Dum.
Stem creeping, almost s imple; leaves erect
spreading, imbricate, rounded, somewhat
undulate, entire ; st ipules none ; perianth terminal,
ovate ; apex angular, mouth quadrifid
Jungermannia hyalina, Lye l l, Hook Br
Jung. No. 63; Gott. and Rab. Exs. No. 189,
234, 4 6 9; Carr, and Pears. Exs. No. 100;
Co o ke Hep. f. 61. A p lo z ia hyalina, Dum.
Hep. Eur. p. 58. Nardia hyalina. Spruce
Hep. Amaz. p. 519.
On moist argillaceous rocks. (F'r. Early Sum.)
Forming more or less dense, depressed tufts, on
wet slaty rocks, or mixed with bog moss. Shoots
4 to I inch long,
p r o c u m b e n t ,
densely rooting,
simple or innovant.
Branches
springing from
axils of the involucral
leaves,
or from the ventral
side of the
stem. Rootlets
pale claret colour.
Leaves semi-vertical, roundish, broad,and obliquely
decurrent at the base, plane and nearly horizontal
(fig. 158), except on upper part of the stem. Margin
entire, a little inflexed. Texture thin, pale glaucous
green. Inflorescence autoicous or dioicous. Fructification
terminal. Involucral leaves larger than the
rest, sometimes emarginate, closely investing the
perianth. One or two amphigastria adnate with the
bases of the involucral leaves, absent elsewhere ;
capsule globose, dark brown, shining. Spores
round, yellowish-brown, i i - i SjR. Elaters bispiral.
Andræcium on distinct shoots, or on special
branches on the ventral surface of fertile shoots.
Perigonial leaves smaller. Antheridia two or three
together, axillary, deep green.