58fi 



INDEX. 



Oi-alie rosea, pulvinua of, 113 

 , raOTement of cotyledona at 



night. 117, 118, 307 



, effect of dull light, 124 



• , non - sensitive cotyledons, 



127 



sensitiva, movement of coty- 

 ledons, 109, 127, 128 



, ciroumnutation of flower-stem, 



224 



, nocturnal movement of coty- 

 ledons, 307, 312 



, sleep of leaves, 327 



tropceoloidea, movement of co- 

 tyledons at night, 118, 120 



Valdiviana, conjoint ciicum- 



nutation of cotyledons and hypo- 

 ootyl, 25 



, cotyledons rising vertically at 



night, 114, 115, 117, 118 



, non-sensitive cotyledons, 127 



, nocturnal movement of coty- 

 ledon, 307, 312 



, sleep of leaves and not of co- 

 tyledons, 315 



, movements of leaves, 327 



Pcushira aquatica, unequal cotyle- 

 dons, 9S, n. 

 Pancratium littorale, movement of 



leaves, 255 

 Paraheliotropism, or diurnal sleep 



of leaves, 445 

 Passiflora gracilis, ciroumnutation 



and nyotitropio movement of 



kaves, 383, 384 

 , apogeotropio movement of 



tendrils, 510 



, sensitiveness uf tendrils, 550 



Pelargonium zonale, cirsumnutation 



of stem, 203 

 , and downward movement of 



young leaf, 232, 233, 269 

 Petioles, the, rising of, beneficial to 



plant at night, 402 

 Petunia violacea, downward move- 



PHABEOLTJS. 



ment and circumiiutation of very 

 yoang leaf, 248, 249, 269. 



Pfeffer, Prof., on tlie turgesccnce of 

 the cells, 2 ; on pulvini of leaves, 

 113, 117 ; sleep movements of 

 leaves, 280, 283, 284; nocturnal 

 rising of leaves of Malva, 324 ; 

 movements of leaflets in Desmo- 

 dium gyrans, 358; on Phylkm- 

 thus Niruri, 388; influence of a 

 pulvinus on leaves, 396; periodic 

 movements of sleeping leaves, 

 407, 408; movements of petals, 

 414 ; effect of bright sunshine on 

 leaflets of Eobinia, 445 ; effect of 

 light on parts provided with pul- 

 vini, 363 



Phalaris Canariensis, movements of 

 old seedlings, 62 



, ciroumnutation of cotyledons, 



63, 64, 108 



, heliotropic movement and cir- 

 oumnutation of cotyledon towards 

 a dim lateral light, 427 



, sensitiveness of cotyledon to 



light, 455 



, effect of exclusion of light 



from tips of cotyledons, 456 



, manner of bending towards 



liglit, 457 



, effects of painting with Indian 



ink, 467 



, transmitted effects of light, 



469 



, lateral illumination of tip, 



470 



, apogeotropio movement of the 



sheath-like cotyledons, 497 



, change from a straight up- 

 ward apogeotro] lio course to cir- 

 oumnutation, 499 



, apogeotropio movement of 



cotyledons, 500 



Phaseolus Mernandesii, nocturnal 

 movement of leaves and leaflets, 

 368 



caracalla, 93 



, noctrurnal movement of leaves, 



368 



, effect of bright sunshine or 



leaflets, 446 



