58-1 



INDEX. 



MEL1LOTUS. 



MeJilolus parviflora, sleep of jtttves, 



347 

 Pditpierrearia, leaves ezposed 



at night, 291, 296 



, sleep of leaves, 34? 



secundiflora, sleep of leaves, 



347 



suareolens, leaves exposed at 



night, 291 



, sleep of leaves, 347 



sulcata, sleep of leaves, 847 



Tanrica, leaves exposed at 



night, 291 



, sleep of leaves, 347, 415 



Methods of observation, 



Mimosa albida, cotyledons vertical 



at night, 116 



, not sensitive to contact, 127 



, sleep of cotyledons, 308 



, rudimentary leaflets, 3t>4 



, 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 



manjinata, nyctitropic move- 

 ments of leaflets, 381 



pudica, movement of coty- 

 ledons, 105 



, rupture of the eeed-coats, 



105 

 . , circumnutation of cotyledons, 



109 



- ,'pulviniof, 113,115 

 , cotyledons vertical at night, 



116 

 - , hardly sensitive to contact, 



127 

 , effect of exposure at night, 



293 

 . , nocturnal movement of loaves, 



297 



, sleep of cotyledons, 308 



, circumnutation and nycti- 

 tropic movement of main petiob, 



374-378 

 , of leaflets, 378 



NEPTTJNIA. 



Mimosa albida, circumnutation an<l 

 nyctitropic movement of pinuoa, 

 402 



, number of ellipses described 



in given time, 406 



, effect of bright sunshine on 



leaflets, 446 



Mirdbilis jalapa and longiflora, 

 nocturnal movements of cotyle- 

 dons, 807 



, nyctitropic movement of 



leaves, 387 



Mohl, on heliotropism in ten- 

 drils, stems, and twining plants, 

 451 



Momentum-like movement, the ac- 

 cumulated effects of apogeo- 

 tropi>m, 508 



Monocotyledons, sleep of leaves, 

 389 



Monotropa hypopiti/s, mode of 

 breaking through the ground, 8C 



Morren, on the movements of 

 stamens of Sparmaunia and 

 Cereus, 226 



Miiller, Fritz, on Cassia tora, 34 ; 

 on the circumnutation of Linum 

 usitatisximum, 203; movements 

 of the flower-stems of an Alisrna, 

 226 



Mutisia clematis, movement of 

 leaves, 246 



, leaves not heliotropic, 451 



N. 



Natural selection in connection 

 with geotropism, heliotropism, 

 &c., 570 



Nephrodium molle, circumnutation 

 of very young frond, 63 



, of older frond, 257 



, slight movement of fronrli 



509 



Neptunia oleracea, sensitiveness to 

 contact, 128 



, nyctitropic movement of leaf- 

 lets, 374 



, of pinnae, 402 



