INDEX 



425 



gravity on circumnutation, 28 ; helio- 

 tropism of climbers, 42 ; mode of 

 climbing, 36 ; origin of torsion, 41, 

 257; orthotropism, 190; plagiotropism, 

 254, 255 ; influence of twining on 

 growth, 36. 



Barbula, torsion of peristome of, 24, 27. 



Barley, production of heat by, 370 ; statical 

 moment of horizontal stem of, 237. 



Barnard, 382, 388. 



Barth, 164, 202, 240, 242, 246 ; on geo- 

 tropism of nodes, 231, 235. 



Bastit, 166. 



Batalin, 86, 91 ; on closure of leaf of 

 Dionaea, 80 ; on curvature oiDrosera, 

 85 ; growth curvatures, 137 ; path of 

 stimuli in Drosera, 90 ; sleep-move- 

 ments, 103. 



Bateson, on optimal geotropic angle, 217. 



Bauhinia, folding of leaves of, 108 ; pres- 

 sure of tendrils of, 237 ; sleep-move- 

 ments of, 105, 107, Fig. 31 ; B. tomen- 

 tosa, growth of tendril of, 46. 



Bay, 211. 



Bayliss, 418, 420, 422. 



Bazin, 237. 



Becquerel, 290, 291, 379, 394. 



Becquerel rays, non-tropic action of, 176. 



Beggiatoa, phototaxis of, 321 ; B. alba, 

 421 ; B. mirabilis, 304. 



Begonia discolor, 419 ; B. rex, 415. 



Behrens, 181, 301. 



Beit, on cause of heliotropism, 244. 



Bellis, closure of capitulum of, 103. 



Benecke, 148, 272, 325 ; on chemotaxis of 

 Diatoms, 348 ; stimulatory plasmo- 

 lysis, 75- 



Bennett, on aerotropism, 182. 



Berberis vulgaris, irritable stamens of, 8, 

 63, Fig. 22, 68 ; action of ammonia and of 

 evacuation on, 87 ; escape of waterfrom, 

 77 ; excitation of, 92 ; influence of 

 induction shocks on, 145 ; of nitrous 

 oxide and ether, 144; mechanism of, 

 8 1 ; transference of stimuli in, 91, 92. 



Berg, on rheotropism, 184, 185. 



Bergsma, 370, 372. 



Bernard, 144. 



Bernstein, 390 ; on surface-tension move- 

 ments, 278, 283. 



Bert, 93; on pulvinar movements, 71, 138, 

 140 ; influence of light on, 142 ; of 

 poison on, 144 ; temperature of pul- 

 vini, 78. 



Berthold, 23, 166, 180, 324, 330, 332 ; on 

 non-ciliary locomotion, 265 ; proto- 

 plasmic movement, 275, 276, 277, 280, 

 284, 286, 287, 291, 292, 293, 301, 304 ; 

 on tropism, 223 ; on reversal of helio- 

 tropism, 171, 174. 



Bethe, 224, 302. 



Betula, 259. 



Beyer, 24. 



Beyerinck, 317,34, 347,353, 382, 385, 386, 



387, 388. 

 Biedermann, 360, 362, 390, 391, 392, 393, 



396, 397, 398. 

 Bignonia, 42 ; disks of, 47 ; irritable stigma 



of, 82 ; influence of anaesthetics on , 



144 ; B. unguis, grappling-hooks of, 33. 

 Biophytum sensitivum, 91, 93 ; influence of 



gravity on sleep-movements of, 125 ; 



response of, to contact, 69 ; sensitive 



hairs of, 76 ; transference of stimuli in, 



96. 



Biota, 261. 

 Birukoff, 362. 

 BischofF, 386, 387. 

 Blaze currents, 395. 

 Blazek, 303. 



Blechnum volubile, twining stems of, 38. 

 Blepharoplasts, 269. 

 Blochmann, 281, 320. 

 Blondeau, 145. 

 Blumenbachia lateritia, reversal of twining 



in, 39- 



BodOy 324; B. saltans, chemotaxis of, 347, 

 351; movements of, 267; tactic re- 

 sponses of, 157. 



Bohm, 328, 333. 



Bohn, 176. 



Boirivant, 204. 



Boletus, 416 ; production of heat by, 366, 373. 



Bonnet, 191, 235, 255, 257 ; on orientation, 

 161. 



Bonnier, 76, 85, 407 ; on production of 

 heat, 369, 374. 



Bordage, 25, 104. 



Bordet, 325, 346, 358. 



Borodin, 332, 333. 



Borscow, 271, 326, 357. 



Boruttau, 201. 



Borzi, 78, 144, 324 ; on conduction of 

 stimuli, 95 ; on distribution of sensi- 

 tivity in pulvini, 76. 



Bose, 397. 



Botrydiumgranulatum,y>q, 315 ; influence 

 of light on zoospores of, 320, 322. 



Botrytis cinerea, rheotropism of, 185. 



Boudier, 46. 



Bouffard, 378. 



Boussingault, 380. 



Boussingaultia baselloides, negative helio- 

 tropism of, 42. 



Bowiea volubilis, twining of, around hori- 

 zontal supports, jo ; on a klinostat, 35. 



Boyle, 386. 



Branches, woody, curvature of, 232. 



Brand, 273. 



Brandt, 263. 



Brassica nigra, geotropic curvature of, 163, 



Fig. 35- 



Braun, 153, 285, 292, 293, 325, 355. 

 Bredig, 396. 

 Brefeld, 173, 175, 378, 383 ; on luminosity, 



385. 



