Blackbird, red-winged, [253].

Bluebird, [11], [228].

Blue-curl, [35].

Bluets, [35], [251].

Blue jay, [15], [36], [249].

Brown, Dr. Robert, [139].

Buffalo, [68].

Burroughs, John, [26].

Calla, [149].

Callitriche, [57].