Pterogonium. — Plant, capsule with calyptra, and two teeth of the
peristome with tliree segments, of P . gracile, Swartz.
Hypnum (Hhynchostegium). — Plant aud capsule, with operculum, of
11, demissum, Wils.
Hypnum (Thuidium).— Plant, and branch-leaf enlarged, oi II. tamariscinum,
Hedw.
Hypnum (Thamnium). — Plant of H. alopecurum, Linn.
Hypnum (llylocomium). — Plant, and capsule with operculum, of II.
squarrosum, Linn.
Hypnum, proper. — Portion of a stem of II. calUchroum, Brid.
GLOSSAKY.
Abortive; not fully developed; imperfectly
formed.
Acrocarpi ; mosses with the fruit
terminal upon tlie main stem.
Acuminate ; taper-pointed.
Acutate; slightly pointed.
Acute; sharply pointed, but more
or less abruptly.
Adnate ; joined together; congenitally
adherent.
Alar (cells); those at the basal
angles of a leaf.
Alate; winged.
Androgynous ; with male and female
flowers in the same cluster
of leaves.
Annulus ; the ring of cells between
the base of the peristome or orifice
of the capsule and the operculum.
Antheridhim, (plural) Antheridia ;
clavate oblong vesicles, analogous
to the anthers of flowering plants.
Apical ; at or belonging to the apex.
Apiculate ; with an abrupt short
acute point.
Apopbysate ; with an apophysis.
Apophysis ; an enlargement of the
pedicel at the base oJ the capsule.
Ajipendiculate (cilia); witb small,
transverse spurs attached at intervals
to the margin.
Archegonium, (pVand) Archegonia;
long-necked vesicles, analogous
to the pistils of flowering plants.
Arcuate, or arched; bent like a bow.
Areolæ ; the spaces enclosed within
tbe cells of tbe leaves.
Areolation ; arrangement and form
of the areolæ.
Arista ; a short bristly awn.
Aristate ; bearing a short awn.
Articulate; marked or joined by
cross-bars, joints, or articulations.
Attenuated ; tapering to a slender
extremity.
Auriculate ; furnished with auricles
or ear-like appendages at the
Autoecious (inflorescence); each
flower, male and female, in a
separate involucre or cluster of
leaves.
A x i l ; the point of union of the
upper side of a leaf willi Uie stem.
Ax i l lar y ; situated in an axil.
Barren (flower); containing antheridia
only.
Beak ; prolonged narrow tip of the
operculum.
Bifarious ; two-ranked.
Bifid ; two-cleft to about the
middle.
Bifurcate ; forking into two
branches.
Bigeminate ; doubly-paired, or four
together.
Bipartite ; two-parted.
Bisexual ; having antheridia and
archegonia in the same involucre.
See Synoecious.
Bistriate ; marked with two parallel
lines or striæ.
Calyptra; the hood or membranous
covering of the capsule and operculum.
Campanulate ; bell-shaped.
Cancellate; latticed; resembling
lattice-work.
Capitate; having a globose beadlike
apex.
Capitulum ; a small bead; a close,
dense cluster of leaves.
Capituliform ; having the form of
a small head.
Capsule ; the fruit, or case bearing
tlie spores.
Carinate ; keeled.
Caulescent ; liaving a stem.
Cauline ; growing ou or pertaining
to tlie stem.
Cells, or cellules ; the vesicles composing
the substance of the leaf
or the areolation.
Cernuous ; nodding, witli the summit
somewhat inclined.