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.

Read more on 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 �.

Read more on 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.

Read more on 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 �.

Read more on 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.

Read more on Project Gutenberg