Blue-weed. See [Viper's Bugloss].

Blush Roses, [466].

Bocconia. See [Plume Poppy].

Boneset, [145] et seq.

Bosquets, [387].

Botrys. See [Ambrosia].

Boulder, sun-dial mounted on, [377].

Bouncing Bet, [52], [450].

Bourbon Roses, [467].

Boursault Roses, [48], [463].