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.
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