INDEX. 



585 



Nicotiana glauca, sleep of leaves, 

 385, 386 



, circumnutation of , leaves, 



386 



Nobbe, on the rupture of the seed- 

 coats in a seedling of Martynia, 

 105 



Nolaria prostrata, movement of seed- 

 lings in the dark, 50 



, circumuutation of seedling, 



108 



Nyctitroplo movement of leaves, 

 560 



Nyctitropisra, or sleep of leaves, 

 281 ; in connection with radia- 

 tion, 286 ; object gained by it, 

 413 



Ohservatii n, methods of, 6 



(EjioiAeramoZZissimo, sleep of leaves, 

 383 



Opuntia hasUaris, conjoint circum- 

 nutation of hypocotyl and coty- 

 ledon, 44 



■ , thickening of the hypocotyl, 



96 



, circumnutation of hypocotyl 



when eruct, 1 07 



, burying of, 109 



Orange, seedling, ciroumDutation 

 of, 510 



Orchis pyramidalis, complex move- 

 ment of pollinia, 489 



Oxalis acetosella, circumnutation of 

 flower-stem, 224 



, effects of exposure to radia- 

 tion at night, 287, 288, 296 



■ , circumnutation and nyoti- 



tropio movement in full-gi'own 

 leaf, 326 



, cii'oumnutation 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 buiied, 518 



artieulahi, nocturnal move- 

 ments of cotyledons, 307 



(Biophytum) sensitiva, rof 



pidity of movement of ootylcdona 

 during the day, 26 



, pulviuns of, 113 



, cotyledons vertical at night, 



116, 118 



bupleurifolia, circumnutation 



of foliaceous petiole, 328 



, nyetitropio movement of ter- 

 minal leaflet, 329 



carnosa, circumuutation of 



flower-stem, 223 



, epinastio 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 



, rudimentary pulviiii of coty- 

 ledons, 119 



, ■ development of pulvinus, 



122 



, effect of dull light, 124 



, experiments on leaves at night, 



288 



- — - floribunda, pulvinus of coty- 

 ledons, 114 



-, nocturnal movement, 118, 



307, 313 



fragrans, sleep of leaves, 



324 



■ Ortegesii, circumnutation of 



flower stems, 224 



, sleep of large leaves, 327 



, diameter, of plant at nighi, 



402 

 , large leaflets affected by bright 



sunshine, 417 



Plwmierii, sleep of leaves, 327 



purpurea^ exposure of leaflets 



at night, 293 

 rosea, cii cumnutation of coty 



leduns, 23, 24 



