VOL.
86
, 2001]
GLOSSARY
51
archegoniophore
(-
fi
1 f
-ema e
gametangiophore) -
Stalked archegonia-bearing receptacle on the thallus
0
many Marchantiales (Fig. 2E). · '
archegonium
(pl
a h . . . . .
t · re egoma) -
Female sex organ or gametangmm contammg an egg
(F1g.
lA).
arcua e -
Curved like a bow. '
areolation -
The cellular network
of
a leaf
aristate -
Ending in an awn (Fig. 8
B)
. ·
artbrodo~tous -
Having a peristome
of
one or two rings
of
teeth consisting essentially
of
periclinal cell-
wall pa1rs (lamellae) (Fig. l
IT
-Y).
articul~te -
Joi~te_d
; in liverworts, seta with epidermal cells
in
even tiers (Fig.
4K)
.
ascendmg - .
Pomtmg obliquely upward, away from the substrate.
athecal -
Without a sheath
of
tissue at the base; said
of
collarless branches (Fig. 3E-G).
atte_nuate
-
Slenderly tapering (Fig. 7Q).
aur~cle -
A sm~ll, ear-like lobe, often present at leaf base (Figs. 8C,
81
K).
aunculate -
W1th
auricles
(Fig. 8C).
aust~al -
Southern;
of
the Southem Hemisphere.
autoicous (= autoecious) -
With archegonia and antheridia on separate branches
of
the same plant. The
suffix
-o~cio~s
applies to diploid sexuality and
is
therefore less applicable to bryophytes (Fig. 1 B).
awn -
Ha1r-pomt, usually formed by an excurrent costa (Fig. l 77E).
axil -
Angle
between
stem and leaf.
axillary -
In
the
leaf
axils.
axillary hair -
Uniseriate hair found in the leaf axils, generally inconspicuous and well concealed
by
the
leaf
bases.
axis -
The
main
stem.
basal -
At
the base
or
proximal end.
basal membrane -
A short tube or cylinder supporting the endostome or the teeth
of
the haplolepidous
peristome (Fig.
11
U).
basiphytic -
Growing on basic substrates, such as limestone, dolomite, sandstone, or chalk.
basiscopic -
Directed toward the base, away from the apex (ant.
acroscopic).
beak (= rostrum) -
Elongated apex
of
an operculum, calyptra, or perianth (Fig. 5A).
bicostate -
Having two midribs (Fig.
9B).
bifid -
Divided into two parts.
bipinnate -
Twice pinnately branched (Fig. 7T).
bisbifid -
Twice bifid with the subsequent parts more shallowly bifid (Fig. 57C,D).
biseriate -
Made
up
of
two rows
of
cells; e.g., a biseriate antheridial stalk.
bistratose -
Composed
of
two cell layers; e.g., leaves that are two layers
of
cells thick.
bog _
Wet, spongy ground consisting chiefly
of
decaying moss and other vegetable
1
matter.
bordered _
Having margins differentiated from the rest
of
the structure in shape, size, color, or thickness.
boreal_
Northem,
especially
of
the coniferous forests that occur
in
the Northern Hemisphere between the
treeless tundra and the deciduous forest belt.
bracteole
-A
modified underleaf associated with a gametangium (in liverworts).
bracts _
Specialized leaves surrounding reproductive organs (Figs. 2A, 5A).
brood body (= propagule)
-A
vegetative _re~roductive structure.
bulbil -
Bulb-like axillary propagule or
rh1z01dal
gemrna.
--
-
c-shaped papilla -
Papilla (or mamrnilla) appearing crescent-shaped (occasionally circular) when viewed
from above (Fig. 188D).
caducous
(=
deciduous) -
D~tachin~, falling off.
caespitose -
Tufted, growing m cu~h10ns or s?ds.
. h t'
(=
basiphytic) _
Growmg
on
baste substrates.
calcip Y ic ·
d ·
th d 1 · h
d ·
d 1
_ A
membrane
of
haplo1 ttssue over e eve
opmg
sporop yte,
enve
argely from the
calypthra .
1
venter
In
mosses, the venter generally ruptures near the base and the calyptra is carried
are
egoma
· · h · ·
d b t
he
elongating seta. In hverworts, t. e venter ruptures near the apex and
1s
not
camed
up-
upwar
Y )
ward
by
the
seta (Figs.
lA,
5A,
11
O .
