alutaceous

[ al-yuh-tey-shuhs ]

adjective

1. Zoology. covered with minute cracks or wrinkles and having a pale, leathery-brown color.
2. having the color of soft brown leather.

Word History and Origins

Origin of alutaceous¹

1870–75; < Late Latin alūtācius, equivalent to Latin alūt ( a ) leather softened with alum + -ācius -acious (altered to -aceous ); Latin alūta appears to be a past participle ( alū- + -ta, feminine of -tus ) akin to alū- in alūmen alum ¹

Example Sentences

Pileus fleshy, soft, at first sub-globose, then expanded, or depressed, white, the brownish or alutaceous cuticle breaking up into scales except on the disk; lamell� close, lanceolate, remote, white, then green; stem firm, equal, or tapering upwards, sub-bulbous, smooth, webby-stuffed, whitish, tinged with brown, annulus rather large, movable; flesh both of the pileus and stem white, changing to reddish, and then to yellowish hue when cut or bruised; spores ovate, sub-elliptical, mostly uninucleate, .0004 to .0005 inches long, .0003 to .00032 broad, sordid green.

From Project Gutenberg

Sporangia gregarious, generally rounded, not much depressed, flat, sometimes, especially toward the margin of a colony, elongate, venulose or somewhat plasmodiocarpous, dull white, the inner peridium ashen or bluish, remote from the calcareous crust, which is extremely fragile, easily shelling off; columella indistinguishable from the base of the sporangium, thin, alutaceous; capillitium of short, generally colorless, delicate, sparingly branching or anastomosing threads perpendicular to the columella; spores black in mass, by transmitted light violet-tinted, smooth, 6–8 �.

From Project Gutenberg

In the species last named the columella or sporangial base is alutaceous, not white; in Fries' species, while the columella if present may be white, the peridial walls are different, difficult to distinguish.

From Project Gutenberg

Sporangia gregarious, sessile, depressed-spherical or sometimes elongate, small, 1 mm. or less, rose-white, smooth, the outer peridium crustaceous, rather thick and persistent, polished, slightly raised above the inner, which is dull ashen and more or less wrinkled; hypothallus none; columella prominent, hemispherical in the typical rounded forms, slightly rough, reddish or reddish alutaceous; capillitium usually abundant, of slender, delicate pale or colorless threads, little branched, and smooth; spores violaceous-brown, minutely roughened, 8–9 �.

From Project Gutenberg

The plasmodium of our species is white; as it approaches maturity a rosy metallic tinge supervenes, quickly changing to dull yellow or alutaceous.

From Project Gutenberg