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Arcyria aurantiaea, Raunk., Myx. Dan., p. 109, t. 3, figs. 4,
and 9—11.
On rotten wood. Denmark.
From the above description it is difficult to indicate either
the prominent features of the species intended, or its affinity
with other species.
* * Spores warted.
Arcyria siinilis, Raoib.
Sporangia shortly stipitate, cherry-coloured; threads of capillitium
thiok-walled, 4’2—5— 8 g broad, cylindrical or a little
compressed, everywhere with platc-ekvations; plcdes generally -in
the form of hcdf-rings not arranged in a regular spiral manner,
hut irregularly, or overlapping, or in spirals irregularly hrohen
u p ; spores 8.3 g diameter, almost colourless, wall thin, distinctly
verruculose.
Arcyria similis, Raoib., Myx. Crac., p. 13, f. 8 ; Saco., Syll.,
n. 1462.
Poland.
Arcyria Baciborsokii, Berlese.
Sporangia stipitate, stem filled with cells; calyculus hemispherical,
membrane thin, reddish, densely covered on the inner
surface with very short, acuminate warts; capillitium at the nodes
and often also on the intcrnodes inflated into globose vesicles,
forming a loose n e t; threads of lower portion of the capillitium
flattened, one margin with incrassated teeth, remainder of threads
smooth, the remainder and greater portion having the threads
sub-cylindrical, vnth the teeth arranged in a spiral, the remainder
of the thread with undulating ridges, in a varying number of
spirals, here and there becoming indistinct, or anastomosing to
form an irregular network on the surface of the th read; spores
verruculose, 10'5—1 1 ’6 g diameter.
Arcyria, Bacihorsckii, Berlese, Saoc., Syll., vii., 1, n. 1467.
A rc y ria . 157
Areyria decipiens, Raoib., Myx. Crac., p. 16, f. 9 (not of
Berkeley).
Poland.
Arcyria inermis, Raoib.
Sporangia stipitate, brick-red; stem filled with cells of varmus
sizes, the interspaces filled with capillitium threads; capillitium
forming a network, threads cylindrical or a little flattened,
q-2__10'8 g hroad, protuberances combined into a network, meshes
1 -6— 2 u long and almost equally broad; spores 9-9- 10'8 g
diameter, membrane firm, reddish, dwtinctly verruculose.
Arcyria inermis, Racib., Myx. Crac., p. 14, f. 7 ; Saco., Syll.,
vii., 1, n. 1465.
Poland.
Position uncertain, mving to absence of information respecting
the spores.
Arcyria bonariensis, Speg.
Sporangia minute, i - f mm. long, J - i mm. broad, in densely
crowded clusters of 5— 20 individuals, bright citrin-ycllow; stem
half as long as peridium and same colour; tubes of the
capillitium springing from the hollow of the stem, equal,
3 g thick, densely murieate, pale ycUowish-green; spores
globose, protoplasm granular or guttulate, wall rather thick,
10 g diameter.
Areyria bonariensis, Speg., Fung. Arg., Pug. 111., n. 90, aco.,
Syll, vii., 1, n. 1471.
On old worked wood. Argentine Republic.
Allied to A. nutans, but distinct. (Speg.)
Arcyria affinis, Eost.
Sporangia cylindric-ovate, 1 mm. high, stem of about equal
leno-th to sporangium, gregarious; mass of capillitmm and spores
pu™le-ferrugmoiis, dull orange-red; threads of capillitmm
forming a network, lower meshes 3'0, upper 5-4 g broad, markings
as in C. incarnata.