Kerner on the bending down of peduncles, 414
Klinostat, the, an instrument devised by Sachs to eliminate geotropism, 93
Kraus, Dr. Carl, on the underground shoots of Triticum repens, 189; on Cannabis sativa, 250, 307, 312; on the movements of leaves, 318 L.
Lactuca scariola, sleep of cotyledons, 305
Lagenaria vulgaris, circumnutation of seedlings, 42 --, of cotyledons, 43 --, cotyledons vertical at night, 304
Lathraea squamaria, mode of breaking through the ground, 85 --, quantity of water secreted, 85, 86, n.
Lathyrus nissolia, circumnutation of stem of young seedling, 33 --, ellipses described by, 107, 108
Leaves, circumnutation of, 226-262; dicotyledons, 226-252; monocotyledons, 252-257; nyctitropism of, 280; their temperature affected by their position at night, 294; nyctitropic or sleep movements, 315, 394; periodicity of their movements inherited, 407; embryology of, 414; so-called diurnal sleep, 445
Leguminosae, sleep of cotyledons, 308; sleeping species, 340
Le Maout and Decaisne, 67
Lepidium sativum, sleep of cotyledons, 302
Light, movements excited by 418, 563; influence on most vegetable tissues, 486; acts on plant as on the nervous system of animals, 487
Lilium auratum, circumnutation of stem, 212 --, apogeotropic movement of stem, 498, 499
Linnaeus, 'Somnus Plantarum', 280; on plants sleeping, 320; on the leaves of Sida abutilon, 324; on Oenothera mollissima, 383
Linum Berendieri, nocturnal movement of cotyledons, 298 -- usitatissimum, circumnutation of stem, 203
Lolium perenne, joints affected by apogeotropism, 502
Lonicera brachypoda, hooking of the tip, 272 --, sensitiveness to light, 453
Loomis, Mr., on the movements in the fruiting fronds of Asplenium trichomanes, 257
Lotus aristata, effect of radiation on leaves, 292 -- Creticus, leaves awake and asleep, 354 -- Gebelii, nocturnal movement of cotyledons, 308 --, leaflets provided with pulvini, 353 -- Jacobaeus, movements of cotyledons, 35, 109 --, pulvini of, 115 [page 583]
LOTUS--MELILOTUS
Lotus Jacobaeus, movements at night, 116, 121, 124 --, development of pulvini, 122 --, sleep of cotyledons, 308, 313 --, nyctitropic movement of leaves, 353 -- major, sleep of leaves, 353 -- perigrinus, movement of leaflets, 353
Lunularia vulgaris, circumnutation of fronds, 258
Lupinus, 340 -- albifrons, sleep of leaves, 344 -- Hartwegii, sleep of leaves, 341 -- luteus, circumnutation of cotyledons, 38, 110 --, effect of darkness, 124
Lupinus, position of leaves when asleep, 341 --, different positions of leaves at night, 343 --, varied movements of leaves and leaflets, 395 -- Menziesii, sleep of leaves, 343 -- mutabilis, sleep of leaves, 343 -- nanus, sleep of leaves, 343 -- pilosus, sleep of leaves, 340, 341 -- polyphyllus, sleep of leaves, 343 -- pubescens, sleep of leaves by day and night, 342 --, position of petioles at night, 343 --, movements of petioles, 401 -- speciosus, circumnutation of leaves, 236
Lynch, Mr. R., on Pachira aquatica, 95, n.; sleep movements of Averrhoa, 330
M.
Maranta arundinacea, nyctitropic movement of leaves, 389-391 --, after much agitation do not sleep, 319
Marsilia quadrifoliata, effect of radiation at night, 292 --, circumnutation and nyctitropic movement of leaflets, 392-394 --, rate of movement, 404
Martins, on radiation at night, 284, n.
Masters, Dr. Maxwell, on the leading shoots of the Coniferae, 211
Maurandia semperflorens, circumnutation of peduncle, 225 Medicago maculata, nocturnal position of leaves, 345 -- marina, leaves awake and asleep, 344
Meehan, Mr., on the effect of an Aecidium on Portulaca oleracea, 189
Megarrhiza Californica, mode of breaking through the ground, 81 --, germination described by Asa Gray, 82 --, singular manner of germination, 83, 556
Melaleuca ericaefolia, sleep of leaves, 383
Melilotus, sleep of leaves, 345 -- alba, sleep of leaves, 347 -- coerulea, sleep of leaves, 347 -- dentata, effect of radiation at night, 295 -- elegans, sleep of leaves, 347 -- gracilis, sleep of leaves, 347 -- infesta, sleep of leaves, 347 -- Italica, leaves exposed at night, 291 --, sleep of leaves, 347 -- macrorrhiza, leaves exposed at night, 292 --, sleep of leaves, 347 -- messanensis, sleep of leaves on full-grown and young plants, 348, 416 -- officinalis, effect of exposure of leaves at night, 290, 296 --, nocturnal movement of leaves, 346, 347 --, circumnutation of leaves, 348 --, movement of petioles, 401 [page 584]
MELILOTUS--NEPTUNIA
Melilotus parviflora, sleep of leaves, 347 -- Petitpierreana, leaves exposed at night, 291, 296 --, sleep of leaves, 347 -- secundiflora, sleep of leaves, 347 -- suaveolens, leaves exposed at night, 291 --, sleep of leaves, 347 -- sulcata, sleep of leaves, 347 -- Taurica, leaves exposed at night, 291 --, sleep of leaves, 347, 415
Methods of observation, 6
Mimosa albida, cotyledons vertical at night, 116 --, not sensitive to contact, 127 --, sleep of cotyledons, 308 --, rudimentary leaflets, 364 --, nyctitropic movements of leaves, 379, 380 --, circumnutation of the main petiole of young leaf, 381 --, torsion, or rotation of leaves and leaflets, 400 --, first true leaf, 416 --, effect of bright sunshine on basal leaflets, 445 -- marginata, nyctitropic movements of leaflets, 381 -- pudica, movement of cotyledons, 105 --, rupture of the seed-coats, 105 --, circumnutation of cotyledons, 109 --, pulvini of, 113, 115 --, cotyledons vertical at night, 116 --, hardly sensitive to contact, 127 --, effect of exposure at night, 293 --, nocturnal movement of leaves, 297 --, sleep of cotyledons, 308 --, circumnutation and nyctitropic movement of main petiole, 374-378 --, of leaflets, 378
Mimosa albida, circumnutation and nyctitropic movement of pinnae, 402 --, number of ellipses described in given time, 406 --, effect of bright sunshine on leaflets, 446
Mirabilis jalapa and longiflora, nocturnal movements of cotyledons, 307 --, nyctitropic movement of leaves, 387
Mohl, on heliotropism in tendrils, stems, and twining plants, 451
Momentum-like movement, the accumulated effects of apogeotropism, 508
Monocotyledons, sleep of leaves, 389
Monotropa hypopitys, mode of breaking through the ground, 86
Morren, on the movements of stamens of Sparmannia and Cereus, 226
Müller, Fritz, on Cassia tora, 34; on the circumnutation of Linum usitatissimum, 203; movements of the flower-stems of an Alisma, 226
Mutisia clematis, movement of leaves, 246 --, leaves not heliotropic, 451
N.