from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Botany Having a white, powdery covering or bloom.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having a very fine whitish powder on a surface.
from the GNU version of the Collaborative International Dictionary of English
- adj. Frosty; covered with fine scales, hairs, dust, bloom, or the like, so as to give the appearance of frost.
from The Century Dictionary and Cyclopedia
- Covered with a bloom or powder so as to appear as if frosted: said of some plant-surfaces dusted with a fine granular secretion.
In one specimen, some of the disks are partly or wholly pruinose, but the plant seemed nearer to this than to Bacidia suffusa.
The stem is fleshy to fibrous, the same color as the pileus, floccose scaly more or less up to the veil, smooth or white pruinose above the veil, straight or curved, somewhat striate below.
Stem 2 to 4 inches long, ¾ to ½ inch thick, swollen in the middle (ventricose), covered with a bloom (pruinose), stuffed and then hollow, tapering toward the apex, colored like the cap.
The cuticle is sometimes covered with fibres, or with a bloom upon it (pruinose).
Hoary: covered with a fine, white, silvery pubescence: pruinose q.v. Holometabolous: having a complete transformation; with egg, larval, pupal and adult stages distinctly separated.
Apothecia usually black Of dark brown, without striate and pruinose margin 4.
Thallus light colored, usually thin and smooth, rarely disappearing; apothecia minute to middle-sized, 0.2 to 1 mm. in diameter, adnate scattered or crowded, flat or slightly convex, the disk pruinose, and the exciple persistent; hypothecium lighter or darker brown; hymenium usually pale; paraphyses coherent and becoming indistinct; asci cylindrico-clavate; spores oblong-ellipsoid, 3 to 5 mic. long and 1 to
Thallus usually verrucose, areolate or subareolate, tending toward squamulose conditions, better developed than in other members of the family, scarcely ever showing granulate conditions, and never disappearing entirely; apothecia also larger than in the other genera, adnate to immersed, usually black, but rarely white-pruinose; hypothecium usually dark brown; hymenium pale to light brown; spores
Apothecia usually brown with a striate, usually pruinose margin 3.
Spring-shoots conspicuously pruinose, uninodal or not infrequently multinodal.