584 



INDEX. 



MELILOTDS. 



Meliloim parviflora, sleep of ••ves, 

 347 



Petitpierreaiia, leaves ( xposed 



at night, 291, 296 



, sleep of loaves, 317 



seaundiflora, sleep of leaves, 



347 



suaveolens, leaves ezpiiaed at 



night, 291 



, sleep of leaves, 347 



sulcata, sleep of leaves, 347 



Taurica, haves exposed at 



night, 291 



, sleep of leaves, 347, 415 



Methods of obser\ation, 6 



Mimosa albida, cotylecions vertical 



at night, 116 



, not sensitive to contaet, 127 



, sleep of cotyledons, 308 



, rudimentary leaflets, 3 ;4 



, nyctitropio moveoients of 



leaves, 379, 380 

 , cirounmutation 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 



marglnata, nyctitropio move- 

 ments of leaflets, 381 



pudica, movement of coty- 

 ledons, 105 



■ , rupture of the eecd-coats, 



105 

 , ciroumnutation of cotyledons, 



109 



, pulvini of, 113, 115 



, cotyledons vertical at night, 



lie 



, hardly sensitive to contact, 



127 



, effect of exposure at night, 



293 



, nocturnal movement of leaves, 



297 



, sleep of cotyledons, 308 



, ciroumnutation and nycti- 

 tropio movement of main petiol3, 

 374-378 



, of leaflets, 378 



Mi'mnsa albida, oireumnutation and 

 nyctitropio movement of piunte, 

 402 



, number of ellipses descrilied 



in given time, 406 



, effect of bright sunshine on 



leaflets, 446 



Mirabilis jalapa and longiflora, 

 nocturnal movements of cotyle- 

 dons, 307 



, nyctitropio movement of 



leaves, 387 



Mohl, on heliotropism in ten- 

 drils, stems, and twining plants, 

 451 



Momentum-lite movement, the ac- 

 cumulated efftots of apogeo- 

 tropi-m, 508 



Monocotyledons, sleep of leaves, 

 389 



Monoiropa hypnpitifs, mode of 

 breaking thrnugli the ground, 86 



Morren, on the movements of 

 stamens of Sparmanuia and 

 Cereus, 226 



Miiller, Fritz, on Cassia tora, 34; 

 on the ciroumnutation of liinum 

 usitatissimum, 203 ; movements 

 of the flower-stems of an Alisma, 

 226 



Mutisia clematis, movement of 

 leaves, 246 



, leaves not heliotropio, 451 



N. 



Natural selection in connection 

 with geotropism, heliotropism, 

 &o., 570 



Nephrodium moUe, circuranutation 

 of very young frond, 63 



, of older fiond, 257 



, slight movement of fronds 



509 



Neptunia oleracea, sensitiveness to 

 contact, 128 



, nyctitropio movement of leaf- 

 lets, 874 



, of pinnao, 402 



