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ated upwards, brownish rust colour or dingy ochre, wrinkled
longitudinally; eolmndla hmon, globose or hemispherical;
threads of capillitinm thin, brownish-violet, branches forming
acute angles, sometimes united laterally; spores globose, brownish
purple, minutely warted, 10—13 g diam.
Rost., Mon., p. 187, figs. 159, 160; Cooke, Myx. Brit., p. 44,
figs. 159, 160; Saco., Syll., vii., p. 386.
On mosses, wood, &c. Britain (Teesdale, Yorks, side; New
Pitsligo); France; Germany; Finland; Sweden; Ceylon.
Superficially resembling Lepidoderma stellata before dehiscence,
but known at once by the warted spores, which also
separate the present species from L. fidva.
Scattered or gregarious, 2—2'5 mm. high, the base of the
stem expanding into a small, irregular hypothallus. Threads
of capillitium sometimes with slight granular swellings.
(Rostafinski’s Synonyms.)
Didymium tigrinum, Schrad., t. 6, f. 2, 3 (1797); B. and Br.,
N. H.. 383; Cke., Hdbk., n. 1121.
Fhysarum tigrinum, Pers., Syn., 174 (1801); FL, Dan., t.
1434, f. 2.
Physarum sguamulosum, Pers., Syn., 174 (1801).
Trichia tigrina, Poir,, Ency., viii., 53.
Trichia sguamulosa, Poir., Ency., viii., 53.
Gionium tigrinum, Lk., Hdbk., iii., 410 (1833).
Didymium rufipes, Er., S. M., iii., 116 (1829).
Leangium sguamdosum, Fr., Stirp. Femsj., 13 (1825).
Lepidoderma obovatum, Mass. (n. sp.) (figs. 45—47).
Broadly ohovate, stipitate; wall dirty oohraceous, thick and
firm, studded witb large, innate whitish patches of lime; stem
short, thick, dark hroion, wrinkled; mass of spores blackish witb
purple tin g e ; columella absent; capillitium springing from tbe
base of tbe sporangium, threads dingy violet, 3—4 g tliick,
equal, repeatedly branching in a diehotomous manner, furnished
with a swelling at the base of each dichotomy, the whole combined
into an irregular n e t; spores globose, dingy violet,
minutely warted, 11—13 g diameter.
On grass and twigs. Sweden.
(Type in Herb., Kew.)
Plant 1'5 mm. high, 1 mm. diameter; characterized by tbe
obovate sporangium and tbe swelling at tbe base of each
bifurcation of tbe capillitium. The minute warts on the
spores often show a tendency to become elongated.
Lepidoderma Chailletii, Rost.
Sporangia hemispherical, adnate by a broad base to a hypothallus,
blackish-violet, with numerous shining brown protuberances;
columella very small, brownish; threads of tbe
capillitium subviolaceous, with scattered swollen portions, forming
a dense net; spores subviolaceous, warted, 10—12 g diam.
Rost., Mon,, p. 189, fig. 179; Saoc., Syll., vii., p. 387; Cooke,
Myx. Brit., fig. 179.
France; Germany.
Lepidoderma Garestianum, Rost.
Plasmodiocarp broadly effused, pulvinate, flattened, wall membranaceous,
fragile, greyish brown, witb numerous rather small
white squamules of lime; threads of capillitium brownish grey,
yellowish, or almost colourless, branched, and sometimes slightly
rough witb minute granules of lime; spores globose, warted,
browu witb tinge of purple, 14—15 g diam.
Rost., Mon., p. 188; Sacc., SylL, vii., p. 387.
Picticidaria Garestiana, Rabenb., MS., and in Rab., Fung. Eur.,
n. 436.
On twigs. Italy; Belgium.
A peculiar species surrounding thin twigs like a cushion,
1 mm. thick, and extending for 1 cm. or more in length.
Section doubtful.
Lepidoderma Kurzii, Berk.
Sporangium globose, stipitate, nodding, obscure yelloiuish