462 VEGETABLE 
Bast, 26, 57; function of, 219, 222, 
224 
Bauhinia, 384 
Begonia, 426 
Bentinckia, ¢ continuity of proto- 
plasm in, 16 
Benzol, 174 
Berberis, 392, 407 
Bertholletia, 182 
Betula lenta, 260 
Biennial plants, 217 
Bignonia, 386 
Bleeding (of stems), 88, 91 
Bloom (of fruits), 55 
Boxorny on action of chlorophyll 
apparatus, 155 
Botrychium, 191 
Boviwnac, 157 
Bromelin, 258 
Bromine, 135, 180, 186 
Brown and Morris on photosyn- 
' thesis, 159 
Bryophyllum, 426 
Buckwheat, 179, 186 
Budding, 212, 422 
Buds, position of leaves in, 320 
Bye-products, 267, 275 
Cabomba, 342 
Calcium, in ash, 135, 141, 180; 
mode of absorption of, 183 ; effect 
of, on herbage, 185 
Calcium pectate, 51 
Calcium, salts of, in cell-wall, 56, 
279 
Calyptra, 457 
Cambium, 230, 314 
Cane-sugar, 159; as reserve material, 
239 ; digestion of, 256 ; as attrac- 
tion for antherozoids, 402 
Capillarity, 86 
Carbohydrates, 45, 134; formation 
of, 156; theories of construction 
of, 156, 159; translocation of, 
219; resting and travelling forms 
of, 221; storage of, 234 
Carbon dioxide, absorption of, 120, 
145 ; exhalation of, 294; relation. 
to oxygen absorbed, 291; incap- 
able of nourishing protoplasm, 
128; temperature at which decom- 
position by chloroplast begins, 
155; optimum percentage, 162 
Carbon monoxide as a stage in 
photosynthesis, 156 
PHYSIOLOGY 
Carica Papaya, 258 
Castor oil plant, see Ricinus 
Casuarina, 152, 455 
Cell, 2, 3; various applications of 
the term, 16 , 
Cell-division, 422 
Cell-wall, of protoplast, 2; proper- 
ties of, 44; of Fungi, 45; theories 
of its composition, 48, 49; thick- 
ening of, 49; stratification of, 50; 
formation of, 269, 425 
Cellulose, 45; properties of, 45; 
varieties of, 45; as reserve 
material, 239, 240 
Centrifugal force, influence on direc- 
tion of growth, 391 
Centrospheres, 422 
Ceramium, 16 
Chara, 358, 
Chelidonium, 7 
Chemotaxis, 402 
Chitin, 45 
Chlamydomonas, 356, 359 
Chlorine, 180, 186 
Chlorophyll, 146; condition in 
chloroplasts, 152; solvents of, 
147; properties of, 148; spec- 
trum of, 148; analyses of, 149 ; 
conditions of formation of, 153; 
action of, dependent on light, 154; 
relation to iron, 183 ; secretion of, 
272 
Chlorophyll apparatus, 146; action 
of, 154; absorption of energy by, 
285, 290 
Chloroplasts, 130, 145, 146; distri- 
bution of, 150 ; structure of, 152 ; 
functions of the two components 
of, 161; effects of varying pres- 
sures of carbon dioxide on, 162 ; 
inhibition of, 163 
Chlorosis, 154 
Chlorotic plants, 273 
Chromatin, 8 
Chromosomes, 422 
Chroococcus, 9 
Cilia, 1, 2, 353 
Ciliary motion, 354 
Circulating food-stuffs, 218 
Circumnutation, 321 ; dependent on 
rhythm, 360 
Cladium, 33 
Cleistogamy, 454 
Cobalt, 181 \ 
Cobalt chloride_as test for watery 
vapour, 95 
Celebogyne, 426, 459 
