L' .
LU'!
/'iI
,iM'r
it.
upper ones retuse; amphigastria broadly
subulate; involucre compressed, obovate
urceolate ; capsule oval. ’
Jungermannia scalaris, Schrad. Crypt . II.
p. 4. Jungermannia lanceolata, Eng. Bot!
t. 605. Nardia scalaris, Carr. Br Hep
p. 23 ; Carr, and Pears. Exs. No. 6, 7 84-
A h cu la n a scalaris, Co o ke Hep. f. 27, 28.
Common on shady banks, rocks, and wet places.
(Fr. Spring and Autumn.) ^
Colour from dark brown to purjile. Stolons
mostly subterranean, viticulose, fleshy. Stems
1 length, or longer, stout, simple, rarely
forked, innovation s from axils o f apical amphigastria.
Barren shoots of nearly
equal diameter, terete or
l a t e r a l l y compre s sed ,
curved at the summit;
rootletsnumerous. Leaves
smaller and more distant
at the base, distichous,
scalately imbricate, erect,
obliquely clasping, concave,
orbiculate (fig. 1541^
submarginate, terminal
le a v e s em a r g in a t e .
154. 155, A m p h i g a s t r i a o v a t e
Dioicous triangular - subulate.
double the size of the ordinary leaves ™tire S
emarg.„ate, vaginate. Involncie obovite She”
roundish-ovate or cordate, sharply emarginate.
Perianth immersed and adnate, apex cleft in five
broad equal segments. Calyptra obovate. Capsule
ovH, chocolate brown, valves thick, annulate,
striate. ^ Spores dark brown, obscurely triangular,
15/X diam. Andraecium terminal on distinct
shoots.
var. o major. S tems incrassated, naked,
for the most part erect ; leaves more distant,
less convex, patent, and often recurved at the
ap e x ; involucral leaves emarg inate; amphigas
tr ia distinct, t r iangula r ly subulate, entire.
Deep green, somet imes red, or purplish.
Jungermannia scalaris. Hook. Jung. t. 6 1 ;
Brit. FI. V., I, p. 116.
var. a major. Gott. and Rabh. Exs. No. 106,
362.
Alicu laria scalaris, Corda Sturm. FI. X IX .
p. 32, t. 8; Co o ke Hep. f. 27, 28.
a* distans. Stems e lo n g a t e d ; leaves distant,
more convex, erect, spreading, ventricose,
din g y green, shrinking when dry.
var. /3 rigidula. Sho o ts rigid, creeping,
s u b t e r e t e ; leaves roundish-ovate, c losely
imbricate, semi -ver t ica l; male stems terete,
subspicate; amphigastria frequent, subula te;
involucre half-immersed, olive green, brown,
or purple.
A licu lar ia scalaris, «** rigidula, Gott. and
Rabh. Exs . No. 223.
. I,