INDEX. 



587 



PHASKOLUS. 



mttltiflorus, move-merit of 

 radicles, 29 



- - , of young radicle, 72 



i , 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 

 first uuifoliite leaves, B97 



- Koxburghii, effect of bright 

 .sunshine on first leaves, 445 



- - , vulgaris. 93 



- , bleep of leaves, 318 



, vertical sinking of leaflets at 

 night, 368 



PhyUanlhus Niruri, sleep of leaf- 

 lets, 388 



- - linoides, sleep of leaves, 



387 

 Pilocereus Hnulletii, rudimentary 



cotyledons, 97 

 Pimelia spectabilis, sleep of leaves, 



387 

 Pincers, wooden, through which 



the radicle of a bean was allowed 



to grow, 75 

 Pinus austriaca, circumnutation of 



leaves, 251, 252 



- - Nordmanniana, nyctitropic 



movement of leaves, 389 



- pinaster, circunmuUvtion of 

 hypocotyl, 56 



- , movement of two opposite 

 cotyledons, 57 



--- , circumnutation of young leaf, 

 250, 251 



- , epiuastic downward move- 

 ment of young leaf, 270 



fislia stratiotes, movement of 



b;aves, 255 

 riaum sativum, sensitiveness of 



apex of radicle, 15ft 



, tips of radicles cauterised 

 transversely, 534 



Plants, sensitiveness to light, 

 449; hygroscopic movements of, 

 489 



QTJEKCU3. 



Plants, climbing, circumnutatiou of, 

 26 i ; movements of, 559 



, mature, circumnutation of. 

 201-214 



Pliny on the sleep-movements of 

 plants, 280 



Plumbago Capensis, circumnutation 

 of stem, 208, 209 



Poineiana Gilliesii, sleep of leaves, 

 368 



Polygonum aviculare, leaves vertical 

 at night, 387 



convolvulus, sinking of the 



leaves at night, 318 



Pontederia (sp.?), circumnutation 

 of leaves, 256 



Porlieria hygrometrica, circum- 

 nutation an I nyctitropic move- 

 ments of petiole of leaf, 335, 

 336 



, effect of watering, 336-338 



, leaflets closed during the day, 



413 



Portulaca oleracea, effect of .3ci- 

 dium on, 189 



Primula Sinensis, conjoint circum- 

 nutation of hypocotyl and coty- 

 ledon, 45, 46 



Pringsheim on the injury to chloro- 

 phyll, 446 



Prosopis, nyctitropic movements of 

 leaflets, 374 



Psoralea acaulis, nocturnal move- 

 ments of leaflets, 354 



Pteris aquilina, rachis of, 86 



Pulvini, or joints; of cotyledons, 

 112-122; influence of, on the 

 movements of cotyledons, 313; 

 effect en uvetitropic movements, 

 396 



Qnerrus (Ameiican sp.), circumnu- 

 tation of young stem, f>:>, 54 



robur, movement of radicles, 



54, 55 



, sensitiveness of apex ol 



radicle, 1 74-1 70 



