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species, the question that naturally suggests itself is, has
Schroeter had the true species in view ? In Rostafinski’s
Monograph, fig. 220, the spirals of the elaters are represented
as broad and flat, no spines are shown in the figure.
G. Spores with elongated, raised, flat hands not comhined to
form a network.
§ Bands not punctate.
Trichia Balfourii, Mass.
Sporangia sessile, base broad or narrowed, crowded, hemispherical
or angular from mutual pressure, clear primrose-yellow;
mass of elaters and spores deeper and duller yellow; elaters
cylindriecd, 9—10 g thick, sometimes swollen near the apex,
which is abruptly narrowed into from 1—3 short, smooth spines,
generally more or less bent, spirals thin, not prominent, rather
distant, furnished with scattered, rudimentary spines; spores
globose, with a few broad, slightly raised, flat bands, not punctate,
nor combined in a reticulate manner; 16—18 g diameter.
Trichia Balfourii, Mass., Rev. Trich., p. 339, fig. 4.
(Type in Herb., Kew.)
On wood. Cape of Good Hope.
Closely allied to T. Jackii, but known by the absence of
punotiform markings on the raised hands of the spores. In
T. verrucosa the bands on the spores are much shorter and
more numerous, the elaters of the last-named species also differ
in the crowded spirals without spines and the simple stout
tips.
Trichia sulphurea, Mass.
Sporangia densely crowded, suhdepressed, circular, angular,
or reniform in outline, pale yellow, smooth, mass of elaters and
spores pale lemon-yellow; elaters cylindrical, simple, or frequently
branched, especially near the tips, 9— 10 g thick, spirals
crmodcd, not very prominent, tips not thickened, smooth, acute,
straight or slightly curved, 10—14 g long; spores globose, toith
numerous short, slightly raised, straight or crescent-shaped flat
bands, 10—-14 g diameter.
Trichia sulphurea, Mass., Rev. Trich., p. 339, fig. 3.
(Type in Herb. Berk., Kew, n. 10906.)
On wood. Ceylon.
A very fine, large species with sporangia up to 1 mm.
diameter, forming densely crowded patches of considerable size.
Characterized by the thick cylindrical elaters with crowded
spirals, and the numerous short flat bands on the spores, which
look like warts under a low power. Most nearly allied to
T. nitens, but the spores of the latter have true rounded warts,
and the spirals on the elaters are further apart.
§ Bands with minute depressions.
Trichia ahrupta, Cooke.
Sporangia densely gregarious, sessile on a broad base, hypothallus
firm, usually angular from mutual pressure, pale yellow;
mass of elaters and spores orange; elaters cylindriecd, 7—9 g
diameter, spirals rather distant, not prominent, with scattered,
rudimentary spinules, tips usually smooth and equal in thickness
to elater for a length of 8— 10 g, then terminating abruptly
in two or three thin, straight or curved spines 8—10 g long;
spores globose, with numerous slightly raised, straight or curved
short bands of irregular width, furnished with minute, scattered
pits, 10—16 g diameter.
Trichia ahrupta, Cooke, Ann. Lyo. Nat. Hist., N. York.,
vol. xi., No. 12, p. 404; Cooke, Myx. Brit., fig. 256; Mass.. Mon.
Trich., p. 16, f. 2; Saoc., Syll., vii., 1, n. l o l l .
(Type in Herb., Kew.)
On wood. Britain (Ken Wood, Hampstead; Kew, Carlisle);
United States.
Allied to Trichia Jackii, hut distinguished by the more
numerous and shorter hands on the spores and the different
elaters; separated also from T. intermedia hy the numerous
hands on the spores not anastomosing, and by the absence of
thin ridges parallel to the long axis of the elaters.