INDEX 



277 



Bary, de, 6, 13, 34, 44, S3, 84, 92, "3, "4, 

 121, 130, 215, 227, 229, 255 ; on rest- 

 ing period of spores, 208. 



Barymorphosis, 2. 



Basidiobolus ranarum, influence of food on 

 reproduction of, 116, 198. 



Bast fibres, elasticity of, 55. 



Batalin, 88, 99, 210. 



Bateson, 66. 



Batrachospermum, influence of light on, 90. 



Bauhinia, changes of shape in attached 

 tendril of, 127. 



Bauke, 151. 



Bay, 239. 



Beauverie, 123. 



Beck and Schultz, 105, 248. 



Becquerel rays, action of, on plants, 1 06. - 



Beech, leaf-fall in, 217; rate of growth of, 

 1 6 ; resting period of, 206. 



Beer, 140. 



Beet-root, contraction of radicle of, 14; 

 freezing of, 242 ; influence of grafting 

 on flowering of, 176. 



Begonia, early flowering of, 152 ; B. mani- 

 cata, signs of death in, 235. 



Behrens, 83, 140, 153, 157. 



Behring, 193. 



Beissner, 152. 



Be His perennis, resistance of, to cold, 232. 



Benecke, 18, 113. 



Bennet, 9. 



Bernard, 173, 252; on physiology of de- 

 velopment, 3. 



Bert, 114 ; on action of green rays, 103. 



Berthold, 5, 34, 41, 42, 85, 90, 91, 94, 126, 

 154, 209; on contractile rhizoids, 14; 

 on surface-tension theory of cell-divi- 

 sion, 41. 



Beta vulgaris, size of etiolated leaves of, 

 86. 



Bex, organisms in hot springs of, 77. 



Beyerinck, 81, 116, 152, 160, 167, 172, 173, 

 174, 175, 192, 193; on cardinal points 

 for growth, 76 ; on conversion of root- 

 primordia into shoots, 140; on re- 

 generation, 169. 



Bialoblocki, 81, 230. 



Biophores, 187. 



Biota orientalis, induction of dorsiventrality 

 in, 151. 



Bismarck brown, union of, with cytoplasm, 

 269. 



Bitter, 15, 46, 130. 



Blue rays, action of, 248. 



Boirivant, 162. 



Bokorny, 259, 260, 261. 



Bolley, 223. 



Bonnet, 88. 



Bonnier, 88, 98, 100, 101, 118, 122, 252. 



Borge, 130. 



Borodin, 92, 102. 



Botrydium, influence of concentration on, 



121. 



Botrytis, apical growth of hypha of, 5 ; 

 influence of cold on, 238 ; B. cinerea, 

 action of CuSO 4 on, 260; formation 

 of attaching organs of, 130 ; growth- 

 coefficient of, 1 6 ; influence of coloured 

 light on spore-formation of, 102 ; B. 

 vulgaris, germination of, on water, 113. 



Bouche, 211. 



Boussingault, 237. 



Boveri,on cell-division in absence of nucleus, 

 43- 



Branches, shearing stresses in, 50. 



Brand, 10, 120. 



Brassica Rapa, periodicity in, 203. 



Braun, 42, 168, 210, 254. 



Brefeld, 15, 79, 8 1, 90, 92, 97, 101, 102, 104, 

 169, 178, 228, 261 ; on conditions for 

 formation of sporophore of Coprinus, 

 79; on growth of fungi, 17; on 

 resistance of spores to heat, 227. 



Brenner, 100. 



Bretfeld, 217. 



Brewer, on thermophile algae, 77. 



Brown and Escombe, 252 ; on influence of 

 low temperature, 237. 



Bruhns, % Jig. 



Bryonia dioica, influence of darkness on, 

 87. 



Bryophyta, influence of light on, 90 ; 

 germination of spores of, 92. 



Bryopsis, bursting of, in fresh water, 119; 

 B. muscosa, inversion of, 156, Fig. 27. 



Bryum caespiticium, resistance of, to desic- 

 cation, 250 ; to heat, 226, 229. 



Buchner, 15, 116, 131. 



Buchtien, 42, 157, 255. 



Buds, abscission of, 217; causes of non- 

 development of, 1 66 ; influence of 

 gravity on formation of, 109; re- 

 moval of, 161 ; resistance of, to cold, 

 236 ; to heat, 228. 



Biisgen, 7, 93, 109, 128, 130, 152, 215, 217, 

 232. 



Biitschli, 25, 35, 36, 37. 



Bulbs, regulation of depth of, 14. 



Bureau, 254. 



Burgerstein, 254. 



Busch, 166. 



Busse, 162, 206. 



Cactaceae, influence of darkness on forma- 

 tion of roots by, 92. 



Cactus, change of phyllotaxis in, 145. 



Calanthe, signs of death of, 235. 



Calcium chloride, action of, on pollen, 262. 



Calendula officinalis, action of light on, 248. 



Calla, production of air-spaces in, 45. 



Callithamnion, formation of branches in, 5 ; 

 size of apical cells of, 38. 



Calluna vulgaris, early flowering of, 211. 



Callus, conditions for formation of, 132 ; 

 development of, 133. 



Cambium, general characters of, 146. 



