INDEX. 



585 



NICOTIANA. 



Nieotiana glauca, sleep of leaves. 

 385, 386 



, circumnutation of leaves, 



386 



Nobbe, on the rupture of the secrl- 

 coats in a seedling of Martynia, 

 105 



Nolana prostrata, movement of seed- 

 lings in the dark, 50 



, circumnutation of seedling, 



108 



Nyctitropic movement of leaves, 

 560 



Nyctitropism, or sleep of leaves, 

 281 ; in connection with radia- 

 tion, 286; object gained by it, 



o. 



Observation, methods of, 6 



CEnotheraniottiifsima, sleep of leaves, 

 383 



Opuntia basilaris, conjoint circum- 

 nutation of hypocotyl and coty- 

 ledon, 44 



, thickening of the hypocotyl, 



96 



, circum nutation of hypocotyl 



when erect, 1 07 



, burying of, 109 



Orange, seedling, circumnutation 

 of, 510 



Orchis pyramidalis, complex move- 

 ment of pollinia, 489 



Oxalis acetosella, circumnutation of 

 flower-stem, 224 



, effects of exposure to radia- 



tian at night, 287, 288, 296 



, circumnutation and nycti- 

 tropi-j movement in full-grown 

 leaf, 326 



, circumnutation of leaflet when 

 asleep, 327 



, rate of circumnutation of 

 leaflets, 404 



, effect of sunshine on leaflets, 



447 



, circumnutation of peduncle, 



506 



Oxalis acetosella, seed-capsules, only 

 occasionally buried, 518 



articidala, nocturnal move- 

 ments of cotyledons, 307 



(Biophytum) sensdiia, ra- 

 pidity of movement of cotylodona 

 during the day, 26 



, pulvhius of, 113 



', cotyledons vertical at night, 



116, 118 



bupleurifolta, circumnutation 



of foliaceous petiole, 328 



, nyctitropic movement of ter- 

 minal leaflet, 32!) 



carnosa, circumnutation of 



flower-stem, 223 



, epinastic movements of flower- 

 stem, 504 



, effect of exposure at night, 



288, 296 



, movements of the flower-pe- 

 duncles due to apogeotropism 

 and other forces, 503-506 



corniculata (var. cuprea}, 



movements of cotyledons, 26 



, rising of cotyledons, 116 



, fudimentary pulvini of cotv- 



ledons, 119 



, development of pulvinus. 



122 



. effect of dull light, 124 



, experiments on leaves at night, 



288 



floribunda, pulvinus of coty- 

 ledons, 1 14 



. nocturnal movement, 118, 



307, 313 



fraarans, sleep of leaves, 



324 



Ortegesii, circumnutution of 



flower stems, 224 



, sleep of large leaves. 327 



, diameter of plant ut night, 



402 

 , large leaflets affected by bright 



sunshine, 417 



Plumierii, sleep of leaves, 327 



purpurea, exposure of leaflets 



at night, 293 

 rosea, circumnutation of coty 



ledons, 23, 24 



