Lepidoderma tigrinum

Lepidoderma tigrinum (Schrad.) Rost.; Fuckel, Jahrb. Nass
Ver. Nat. 27-28: 73. 1873.
Didymium tigrinum Schrad. Nov. Gen. PI. 22. 1797.
Physarum squamulosum Pers. Syn. Fung. 174. 1801.
Physarum tigrinum Pers. Syn. Fung. 174. 1801.
Trichia squamulosa Poir. in Lam. Encyc. 8: 53. 1808.
Trichia tigrina Poir. in Lam. Encyc, 8: 53. 1808.
Leangium squamulosum Fries, Stirp. Ferns. 83. 1826. (Nomen nudum.)
Didymium rufipes Fries, Syst. Myc. 3: 116. 1829.
Diderma citrinum Berk, in Smith, Engl. Fl. 5*: 310. 1836.
Lepidoderma fulvum Massee, Monog. 253. 1892.
Sporangia stipitate, rarely sessile, subglobose or somewhat flattened, umbilicate below gregarious or scattered, 0.8-1.5 mm. in diameter, olive or purplish-gray, the surface incompletely covered with rounded or angular crystalline plates of lime; peridium cartilaginous, opaque, dark gray or dull orange-brown; stalk 1-2 mm. tall, stout, furrowed, bright orangebrown, spongy, with orange lime-granules secreted inside; hypothallus dull yellow or orangebrown; columella large, hemispheric, orange, similar to the stalk and containing similar Hme-granules; capillitium profuse, the dark, sparingly branched, straight or flexuous threads radiating from the columella; spores black in mass, dull purplish-brown by transmitted light, minutely spinulose, 10-13 n in diameter; Plasmodium orange-yellow.
Type locality: Germany.
Habitat: Rotten coniferous wood among mosses and lichens.
Distribution: Maine to British Columbia, south to North Carolina and California, chiefly in