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This species, the smallest of the genus, is distinct in its small size, the
obscure areolation in the upper part of the leaves, the cells hyaline and
hexagonal at the base, the well-marked neck of the capsule extending one-
third°of its length, and the teeth united in pairs, entire or agglutinate their
whole length.
5 2 . GLYPHOMITRIUM, Brid.
Plants very small, simple or sparingly branched, tufted.
Leaves ovate and lanceolate, opaque; perichætium long, the
inner leaves sheathing nearly to the apex. Flowers monoecious,
axillary. Calyptra large, descending to below the base of the
capsule, many times split and plicate. Capsule globose, solid,
erect, on a somewhat long pedicel. Lid conical-acuminate.
Teeth of the peristome 16, lanceolate, very entire, approximate
in pairs, with hyaline borders. Annulus none. Spores large.
1. G. C an ad en se , Mitten. Leaves lanceolate, tapering to
an acute or blunt point, the borders recurved from the base to
the middle ; cells oblong near the base, narrower at the angles,
gradually becoming round above ; perichætial leaves very
broadly ovate, convolute, short-apiculate; calyptra rugose at
the apex : capsule oval, on a short pedicel 5 or 6 m.m. long. —
Journ. Linn. Soc. viii. 21.
Hab. British America (Drummond).
Resembles the European G. Daviesii, but differs in the oval capsule,
the short pedicel, and the shorter stems.
53. AMPHORIDIUM, Schimp. (PI. 2, as Zygodon.)
Plants soft, yellowish or dirty green above, black or brown
below. Leaves soft, carinate, crispate when dry. Flowers
monoecious or dioecious ; perichætium sheathing. Calyptra
cucullate, small, fugacious. Capsule short-pedicellate, without
peristome, contracted under the orifice, urceolate when dry and
empty.
1. A. Lap p o n icum , Schimp. Monoecious: stems brittle,
2 to 4 c.m. long : leaves lanceolate, acute, the upjrer longer,
spreading or curved hack when moist, crispate when dry,
bright green when young ; costa vanishing below the apex :
male flowers in axillary sometimes aggregate buds : capsule
emergent, brown, reddish-striate, oval, with an inflated neck
nearly as long as the sporangium ; pedicel short, pale. — Syn.
247. Gymnostomum Lapponicum, Hedw. Muso. Frond, iii.
10, t. 5. Zygodon Lapponicus, Bruch & Schimp. Bryol. Eur.
t. 206 ; Sulliv. Mosses of U. States, 32.
Ha b . Fissures of rocks ; most abundant in the mountains. J une.
2. A. Mougeotii, Schimp. Differs from the last in its
larger more pulvinate tufts, the plants slightly curling, yellowish
green above, ferruginous below, with few radicles : the leaves
longer and narrower, with borders recurved toward the base,
the”perichætial enlarged, not tubulose, sheathing near the base
only, narrower ; the capsule on a pedicel twice as long and distinctly
emergent, the beak of the lid longer acicular ; and the
flowers dioecious. — Syn. 248. Zygodon Mougeotii, Bruch &
Schimp. Bryol. Eur. t. 206 ; Sulliv. 1. c.
Hab. White Mountains; Wissahickon, near Philadelphia (James),
sterile.
3. A. Oalifornicum. Dioecious: plants soft and loosely
pulvinate, yellowish green above, ferruginous and radiculose
below: leaves very crispate and twisted when dry, spreading
and flexuous when moist, narrowly lanceolate, acuminate,
deeply canaliculate-carinate ; costa excurrent ; borders revolute
below, flat and remotely sharply denticulate above ; upper areolation
minute, quadrate, not inflated perichætial leaves nar-
rower and more acute, not sheathing, slightly suhrevolute on the
borders : capsule small, oval, urceolate, suhexserted on a shoit
somewhat arcuate pedicel : male plants stouter. Zygodon
Californicus, Hampe ; Muell. Bot. Zeit. xx. 361 ; Lesq. Trans.
Amer. Phil. Soc. xiii. 6 ; Sulliv. Icon. Muse. Suppl. 47, t. 32.
Hab. On shaded rocks ; San Jose Valley, California (Bauer) ; Dardanelles
Caflon, etc. (Bolander); near the British boundary (Lyall).
The fertile plants had not been discovered by Hampe, -who considered
the inflorescence as probably dioecious.
4. A. S u lliv an tii. Plants long, slender, flexuous, in loose
intricate yellowish brown tufts, beset with a few bundles of
radicles sometimes attached to the apex of the leaves : leaves
remote, recurved-spreading, lanceolate from the slightly decurrent
base, concave, entire, with borders reflexed up to the
middle, complicate, distantly serrate upward; costa percurrent
: flowers and fruit unknown. — Zygodon Sidlivantii,
Muell. Syn. i. 679; Sulliv. Mosses of U. States, 32, and Icon.