pulverous

Cool it is, and of a pulverous smell, as a sacred place should be; a blessed benching goes round the wall, and you sit down and take unlimited comfort in the frescos.

The Atlantic Monthly, Volume 20, No. 117, July, 1867. Various

Some of the farmers were already beginning to drive home, and their wheels sent up the pulverous clouds which the western sun just tinged with red; Burton got the color under the lower boughs of the maple grove of his deep door-yard.

The Coast of Bohemia William Dean Howells 1878

Many booths stood unlet, and in others the pulverous ladies and gentlemen, their proprietors, were in the enjoyment of a leisure which would have been elegant if it had not been forced.

Suburban Sketches William Dean Howells 1878

He looks very much as if he had been following fire - engines about the streets of our learned and pulverous suburb ever since he could walk, and he certainly seems to feel himself in trouble to a certain degree; but there is easily imaginable in his bearing a conviction that after all the chief care is with others, and that, though unhappy, he is not responsible.

Suburban Sketches William Dean Howells 1878

While the two talked in the same pulverous fashion, the words came very differently from the two mouths.

There & Back George MacDonald 1864