686 



INDEX. 



Boussingault 



on germination at low temperature, 

 271 



on loss of weight by plant in 

 respiration, 195 

 on radiation, 313 



on relation of phosphates to assi- 

 milation of nitrogen, 132 



on weight of plant in light, 253 

 Bower, on apospory, 60 1 

 Braconnot, on excretion by roots, 222 

 Brassica oleracea, analysis of ash of 



(Pierre), 62 ; galvanotropism of, 474 

 Braun 



on the oogonium of the Characese, 

 642 



on torsion, 354 

 Brefeld 



on alcoholic fermentation, 208, 213 

 on Basidiomycetes, 625 

 on destructive metabolism, 292 

 on etiolation of Fungi, 393 

 on luminosity, 318 

 Brewster, on luminous Algae, 317 

 Briosi 



on oil-drops in Musacese, 146 

 on starch-grains in sieve-tubes, 166 

 Brongniart, on transpiration, 103 

 Brooks 



on function of male and female cells, 

 656, 673 



on parthenogenesis, 674 

 on theory of Pangenesis, 655 

 on transmission of variability by 

 male cell, 656, 676 

 Broughton 



on evolution of carbon dioxide from 

 seedlings, 200 



on relation of alkaloids to nitro- 

 genous food, 224 

 Brown, on action of diastatic ferment, 



191 



Briicke, on movement of Mimosa, 560 

 Brunchorst, on localisation of geotropic 



irritability, 468 

 Buff, on electrical condition of plants, 



3i9' 3^2 

 Bunsen 



on formation of compounds of 

 nitrogen, 128 



on photochemical induction, 263 

 Burnett and Mayo, on Mimosa, 560 

 Butlerow, on formation of methylenitan, 



144 

 Burgersteln 



on the Darwinian curvature, 495 

 on transpiration, 109, 1 10 

 Bryophyllum, vegetative budding in, 599 

 Bryopsis, 9 

 Bryum annotinum, bulbils of, 599 



Buds, 599 

 Bulb, 599 

 Bulbils, 599 



Cahours, on exhalation of carbon di- 

 oxide increased by light, 260 



Calamus rotang, silica in, 21 



Calcium, as a constituent of the food, 

 134; carbonate deposited in cells, 22, 

 249; excretion of, 246; oxalate, 22, 

 231, 249; in cell-wall, 22 



Callus, formation of, on wounds, 333 ; 

 in sieve-tubes, 166 



Calyptra, 626 



Calystegia, twining of, 491, 511, 517 



Cambium layer, 347 



Cameron, on absorption of urea by roots, 

 124 



Campanula persicifolia^ heliotropism of 

 leaves of, 444 



de Candolle 



on conductivity of woods, 316 

 on excretion by roots, 222 

 on germination in low temperature, 

 269, 272 



on heliotropism, 439 

 on plants as affected by high tem- 

 perature, 279 



on spontaneous movements of varia- 

 tion, 537 



Caoutchouc, 237 



Carbohydrate; formation of, 140; de- 

 composition of, 228; as reserve mate- 

 rial, 170 



Carbon, as a constituent of the food, 

 124 



Carbon compounds absorbed by plants, 

 125 



Carpels, 604 



Carpogenous cells, 614 



Carpogonium, 614 



Carpospores, 614 



Cassytha, haustoria of, 411 



Caulerpa, 9; geotropism of, 458 



Cavendish, on sources of combined 

 nitrogen, 128 



Cell ; circulation in, 13,296, 521 ; growth 

 of, 1 6, 334; multinucleated, 27; os- 

 motic properties of, 39; plasmolytic 

 state of (Fig. 9), 43 ; reproductive, 

 597; somatic, 597; structure of (Fig. 



3), 13 



Cell -fusions, 23 



Cell-sap, 13, 28; acidity of, 55 ; colour- 

 ing matters of, 29; composition of, 

 28 



Cellulose, 14, 17; as reserve-material, 

 170 



Cell-wall (Figs. 7, 8), 12, 14; calcium 

 in, 22 ; cuticularisation of, 18 ; growth 



