INDEX. 



587 



rilASEOLUS. 



Phaseolus multiflorus, movement of 



radicles, 29 



, of young radicle, 72 



, of hypocotyl, 91, 93 



, sensitiveness of apex of radicle, 



163-167 



, to moist air, 181 



, cauterisation and grease on 



the tips, 535 

 , nocturnal movement of leaves, 



368 

 , nyctitropic movement of the 



fiist unifoli,te leaves, 397 



lloxburghii, effect of bright 



(sunshine on first leaves, 415 



, vulgarin, 93 



, bleep of leaves* 31 8 



, vertical sinking of leaflets at 



night, 'MS 



Phyllanthus Niruri, sleep of leaf- 

 lets, 388 



linoides, sleep of leaves, 



387 



Pilocereus Hnulletii, rudimentary 



cotyledon?, 97 

 Pimelia spectabilis, sleep of leaves, 



387 

 Pincers, wooden, through which 



the radicle of a bean was allowed 



to grow, 75 

 Pinits austriaca. circunmutation of 



leaves, '25 1, 252 



Nordinanniana, nyctitropic 



movement of leaves, 389 



pinaster, circunmutation of 



hyp;icotyl. 5(j 



, movement of two opposite 



cotyledons, 57 

 , cii cumnutation of young leaf, 



250, 251 



, epinastic downward move- 

 ment of young leaf, 270 

 Pistia stmtiutes, movement of 



leaves, 255 

 Piaum satii'um, sensitiveness of 



apex of radicle, 158 

 , tips of radicles cauterised 



transversely, 531 

 Plants, sensitiveness to light, 



4-19; hygroscopic movements of, 



489 



QUEKCUS. 



Plants, climbing, circunmutation of, 

 261 ; movements of, 55l> 



, mature, circuumutation of, 



201-214 



Pliny on the sleep-movements of 

 plants, 28 ) 



Plumbago Capensis, circumnutation 

 of stem, 208, 209 



Poinciana Gilliesii, sleep of leaves, 

 368 



Polygonum aviculare, leaves vertical 

 at night, 387 



1 convolvulus, sinking of the 



leaves at night, 318 



Pontederia (sp. V), circunmutation 

 of leaves, 256 



Porlieria hygrometrica, circum- 

 nutation an 1 1 nyctitropic move- 

 ments of petiole of leaf, 335, 

 336 



, effect of watering, 336-338 



, leaflets closed during the cliy, 



413 



Portnlaca oleracea, effect of Mci- 

 dium on, 189 



Primula Sinensis, conjoint circum- 

 nutation of hypocotyl and coty- 

 ledon, 45, 4H 



Pringsheim on the inj ury to chloro- 

 phyll, 446 



Prosopis, nyctitropic movements of 

 leaflets, 374 



Psoralea acaulis, nocturnal move- 

 ments of leaflets, 354 



Pteris aquiUua, i-achis of, 86 



Pulvini, or joints; of cotyledons, 

 112-122; influence of, on the 

 movements of cotyledons, 313; 

 effect on nyctitropic movements, 

 396 



Qttercm (American sp.), circurnuu- 

 tation of young stem, 53, 54 



robur, movement of radicles, 



54, 55 



, sensitiveness of apex of 



radicle, 174-176 



