Berry. A fruit which is fleshy throughout.
Bi-pinnate. Twice pinnate.
Blade. The expanded portion of a leaf, etc.
Bloom. A powdery or waxy substance easily rubbed off.
Bract. A more or less modified leaf subtending a flower or belonging to an inflorescence.
Branch. A secondary division of a trunk.
Branchlet. A small branch.
Bud. An undeveloped stem or branch, with or without scales.
Bud-scales. Modified leaves covering a bud.
Bundle-scars. Dots on the surface of a leaf-scar, which are scars left by the fibro-vascular bundles which run through the petiole into the blade of the leaf. Page [xvi.]