INDEX. 



585 



KICOTIANA. 



Nicoti'ana glauca, sleep of leaves, 

 385, 386 



, clicumnutation of leaves, 



386 



Noblie, on the rupture of the seeii- 

 cuata in a seedling of Martynia, 

 105 



Nolanaprostrata, raoTpment of seed- 

 lings in tlie dark, 50 



, ciicumnutation of seedling, 



108 



Nyctitropic movement of leaves, 

 560 



Nj'ctitropism, or sleep of leaves, 

 281; in connection with radia- 

 tion, 286; object gained by it, 

 413 



0. 



Ohservatii n, metliorls of, 6 



(Enofliera moUiesima, sleep of leaves, 

 383 



Opuntia hasilaris, conjoint oircum- 

 nutation of hypoeotyl and coty- 

 ledon, '14 



, thickening of the hypoootyl, 



96 



, ciroum nutation of hypoeotyl 



when erect, 1 07 



, burying of, 109 



Orange, seedling, circumuutation 

 of, 510 



Orchis pyramidalis, complex move- 

 ment of pollinia, 489 



Oxalis aeetosella, circumnutation of 

 flower-stem, 224 



, eifeots of exposure to radia- 

 tion at night, 287, 288, 296 



• , circumnutation and nycti- 



tropi5 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 acetnsella, seed-capsules, only 

 occasionally buried, 518 



articulahi, nocturnal move- 

 ments of cotyledons, 307 



{Biophyluin) sensitiva, ra- 

 pidity of movement of cotyledons 

 during the day, 26 



, pulviuus of, 113 



, cotyledons vertical at night, 



116,118 



hupleurifolia, circumnutaticm 



of fbliaceous petiole, 328 



, nyctitropic movement of ter- 

 minal leaflet, 329 



carnosa, circumnutation 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 pulvini of coty- 

 ledons, 119 



, development of pnlvinus, 



122 



, effect of dull light, 124 



, experiments on leaves at night, 



288 



floribunda, pnlvinus of coty- 

 ledons, 114 



, nocturnal movement, 118, 



307, 313 



fragrant, sleep of leaves, 



324 



Ortegesii, circumnutation of 



flower stems, 224 



■ , sleep of large leaves, 327 



, diameter of plant at night, 



402 



, large leaflets affected by bright 



sunshine, 4-17 



Plvmierii, sleep of leaves, 327 



purpurea, exposure of leaflets 



at night, 293 

 rosea, circumnutation of coty- 

 ledons, 23, 24 



