INDKX. 



fuo 



Anoda Wri^Uii, sleep of cotyledons, 

 302,312 



, of leaves, 32-t 



, downward movement of coty- 

 ledons, 444 



Aphellotropism, or negative helio- 

 tropism, 5, 419, 432 



Apios graveolens, heliotropio move- 

 ments of hypocolyl, 4j:2-424 



tuberosa, verlical biuking of 



leaflets at night, 368 



Apium graveolens, sleep of cotyle- 

 dons, 305 



, petroselinum, sleep of cotyle- 

 dons, 304 



Apogeotropic movements effected by 

 joints or pulvini, 502 



Apogeotropiim, 5, 494 ; retarded by 

 heliotropism, 501 ; concluding re- 

 marks on, 507 



Aracliie liypogoea, eiroumnutation of 

 gynophure, 225 



— — , etfeets of rad.ation on leaves, 

 289, 29r> 



, movements of leaves, 357 



, rate of movement, 404 



, oircumnutation of vertically 



dependent young gynopliores, 519 



' , downward movement of the 



same, 519 



Arching of various organs, impor- 

 tance of, to seedling plants, 87, 

 88 ; emergence of hypocotyls or 

 epicotyls in the form of an, 553 



Asparagus oj^clnalls, circumnuta- 

 tion of plumules, 60-62. 



, effect of lateral light, 484 



Asplenium triclwmanes, movement 

 in the fruiting fronds, 257, m. 



Astragalus uUginosus, movement of 

 leaflets, 355 



Avena saliva, movement of cotyle- 

 dons, 65, 66. 



, sensitiveness of tip of radicle 



to moist air, 183 



, heliotropic movement and cir- 



camnutatiou of cotyledon, 421,422 



. , sensitiveness of cotyledon to a 



lateral light, 477 



, young sheath-like cotyledons 



strongly apogeotropic 499 



Avena saliva, movements of oldish 



cotyledons, 499, 500 

 Averrhoa bilimhi, leaf asleep, 330 

 , angular movements when 



going ti> sleep, 331-335 

 , leaflets exposed to brij^ht 



sunshine, 447 

 Azalea Indica, oircumnutation of 



stem, 208 



B, 



Bary, de, on the effect of the .ffici- 

 dium on the silver fir, 188 



Bati.lin, Prof, on the nyotitropio 

 movements of leaves, 2t<3 ; on the 

 sleep of leaves of Sida napcea, 

 322 ; on Polygonum aviculare, 

 387 ; on the effect of tunshine on 

 leaflets of Oxalis aretosella, 447 



Bauhiiiia, nyctitiopic movements, 

 373 



, moven-.entsof petioles of young 



tee.ilings, 401 



, appearance of young plants 



at night, 402 



Beta vulgaris, circumnutation of 

 h^ pocotyl of seedlings, 52 



, movements of cotyledons, 52, 



53 



, effect of light, 124 



, nocturnal moveuient of coty- 

 ledons, 307 



, heliotropic movements of, 



420 



, trani-mitted effect of light on 



hypocotyl, 482 



, apogeotiopic movement of 



hypocotyl, 496 



Bignonia capreolata, apheliotropic 

 njovement of tendrils, 432, 450 



•Bouche on Melaleuca ericcefolia 

 383 



Brassica napus, circumnutation ol 

 fluwer-stems, 226 



Brassica oleracea, circumnutatioc 

 of seedling, 10 



, of radicle, 11 



, geotropic movement of radicle, 



H 



