B.

Bary, de, on the effect of the Aecidium on the silver fir, 188

Batalin, Prof., on the nyctitropic movements of leaves, 283; on the sleep of leaves of Sida napoea, 322; on Polygonum aviculare, 387; on the effect of sunshine on leaflets of Oxalis acetosella, 447

Bauhinia, nyctitropic movements, 373 —­, movements of petioles of young seedlings, 401 —­, appearance of young plants at night, 402

Beta vulgaris, circumnutation of hypocotyl of seedlings, 52 —­, movements of cotyledons, 52, 53 —­, effect of light, 124 —­, nocturnal movement of cotyledons, 307 —­, heliotropic movements of, 420 —­, transmitted effect of light on hypocotyl, 482 —­, apogeotropic movement of hypocotyl, 496

Bignonia capreolata, apheliotropic movement of tendrils, 432, 450

Bouché on Melaleuca ericaefolia, 383

Brassica napus, circumnutation of flower-stems, 226

Brassica oleracea, circumnutation of seedling, 10 —­, of radicle, 11 —­, geotropic movement of radicle, 11 [page 576]

Brassica oleracea, movement of buried and arched hypocotyl, 13, 14, 15 —­, conjoint circumnutation of hypocotyl and cotyledons, 16, 17, 18 —­, of hypocotyl in darkness, 19 —­, of a cotyledon with hypocotyl secured to a stick, 19, 20 —­, rate of movement, 20 —­, ellipses described by hypocotyls when erect, 105 —­, movements of cotyledons, 115 —­, —­ of stem, 202 —­, —­ of leaves at night, 229, 230 —­, sleep of cotyledons, 301 —­, circumnutation of hypocotyl of seedling plant, 425 —­, heliotropic movement and circumnutation of hypocotyls, 426 —­, effect of lateral light on hypocotyls, 479-482 —­, apogeotropic movement of hypocotyls, 500, 501

Brassica rapa, movements of leaves, 230

Brongniart, A., on the sleep of Strephium floribundum, 391

Bruce, Dr., on the sleep of leaves in Averrhoa, 330

Bryophyllum (vel Calanchoe) calycinum, movement of leaves, 237

C.

Camellia Japonica, circumnutation of leaf, 231, 232

Candolle, A. de, on Trapa natans, 95; on sensitiveness of cotyledons, 127

Canna Warscewiczii, circumnutation of plumules, 58, 59
—­, of leaf, 252

Cannabis sativa, movements of leaves, 250
—­, nocturnal movements of cotyledons, 307
Cannabis sativa, sinking of the young leaves at night, 444

Cassia, nyctitropic movement of leaves, 369

Cassia Barclayana, nocturnal movement of leaves, 372 —­, slight movement of leaflets, 401 —­ calliantha, uninjured by exposure at night, 289, n. —­, nyctitropic movement of leaves, 371 —­ circumnutating movement of leaves, 372 —­ corymbosa, cotyledons sensitive to contact, 126 —­, nyctitropic movement of leaves, 369 —­ floribunda, use of sleep movements, 289 —­, effect of radiation on the leaves at night, 294 —­, circumnutating and nyctitropic movement of a terminal leaflet, 372, 373 —­,