Boot´ed, applied to the stem of a mushroom when enclosed in a sheath or volva; peronate.

Boss, a knob or short rounded protuberance; umbo.

Bossed, Bull´ate (bulla, a bubble), furnished with a boss, stud or umbo.

Branched (brancha, claw), dividing from the sides; also styled furcate and forked; ramifying, diverging.

Brick, trade-term for a mass of mushroom spawn, in dimensions the size of a brick of masonry.

Brick Red (testaceus, lateritius, rutilus), a dull brownish-red color like the color of burnt bricks.

Broad, wide or deep vertically, not narrow.

Broccoli Color, the color of a variety of cabbage.

Buff (luteus, luteolus), a light dull brownish-yellow, like the color of dressed buck-skin or chamois.

Bul´bous (bulbosus, < bulbus, bulb), said of the stem of a mushroom when it has a bulb-like swelling at the base.