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Trichia Jackii, Rost,
Sporangia usually crowded, sessile on a narrow or broad base,
hypothallus well-developed, circular, angular, or elliptical in
shape, dull yellow; mass of elaters and spores yellow; elaters
cylindrical, 5—7 g thick, tips smooth, acute, straight or a little
bent, spirals not very prominent, distant, sometimes with
rudimentary spinules; spores globose, with scattered, slightly
elevated, irregular, hroad flat hands, slightly curved or sinuous,
not combined to form a netwm'k, surface of bands loith minute
pits, 12—15 g diameter.
Trichia Jackii, Rost., Mon., p. 258, f. 242; Cooke, Myx. Brit.,
f. 242; Schroeter, p. 113; Sacc., Syll., vii. 1, no. 1500; Raunk.,
Myx. Dan., p. 69, t. 4, f. 5; Mass., Mon. Trich., p. 16, f. 5.
On wood and hark. Britain (Brighton, Highgate, Castle
Howard, Yorks; Glamis, N. B .); Germany; Ita ly ; Switzerland;
Denmark.
Allied to Trichia ahrupta, but distinguished by the fewer
and longer bands on the epispore, and the undivided tips of
the elaters.
Trichia intermedia, Mass. (figs. 180—182).
Sporangia suhglobose, sessile on a broad base, crowded, often
irregular from mutual pressure, smooth, shining, bright ochre;
mass of spores and capillitium clear pale chrome-yellow; threads
simple, cylindrical, 8— 10 g thick, ending rather abruptly in a
short, smooth apiculus, spirals rather close, not prominent,
sometimes branched, with a few rudimentary scattered spinules,
and connected by thinner raised bands running more or less
parallel to the long axis of the e later; spores globose, with a
few distant raised flat flexuous bands that anastomose to form
an irregular network, often leaving free ends, surface of bands
■with minute depressions usually arranged in a single row, 9— 11 g
diameter.
Trichia intermedia, Mass., Rev. Trich., p. 341, pi. v., fig. 1 .
(Type in Herb., Kew.)
On trunks. Scarborough, Epping Forest; Finland.
The spores somewhat resemble those of Trichia Jacldi, Rost.,
hut are smaller; the raised hands are narrower and anastomose
irregularly, and the minute depressions more constantly arranged
in a single row. Agreeing with Trichia chrysosperma, Rost., in
having the spirals on the elaters connected by ridges, but at
once distinguished hy the hands on the spores being furnished
with minute depressions. I was at one time led to believe,
from examination of a specimen supposed to be authentic,
communicated by Mr. H. Wingate, of Philadelphia, who received
it from the author, that the present. species was synonymous
■with Trichia proximella, Karst., but a second, authentic specimen
of the last-named species agrees with the characters given
by Karsten, hence T. intermedia will remain as a distinct species.
Var. persimilis, elaters very much and irregularly branched,
branches usually short, and as thick as the elaters; rest as in
typical form.
Trichia persimilis, Karst., in Not. Sallsk. pro Faun, et Flor.
Fenn., Forh., 1868, ix., p. 353; Karst., Myx. Fenn., p. 139;
Saoc., Syll, n. 1506; Mass., Rev. Trich., p. 838.
On 'vvood. Finland.
An authentic specimen from the author proves the present
form to be a variety, or more probably an abnormal form, of
the present species.
D. Spores u)ith raised flat bands combined to form a network.
* Bands plain.
Trichia chrysosperma, Rost.
Sporangia crowded or scattered, sessile, base broad or narrow,
yellow or ochraceous cinnamon; mass of elaters and spores
bright primrose-yellow; elaters cylindrical, 5—7 g thick, tips
short, smooth, straight or curved, spirals not very prominent,
rather distant, sometimes with a few scattered spinules, connected
by thin ridges running parallel to the long axis of the
elater; spores globose, with deep, narrow raised bands combined
to form an irregular polygonal netivork; surface of bands not
punctate, 12—14 g diameter.