510 



Index 



Cerny, 304. 



Chamberlain, C. J., 379. 



Chemotropism, 497, 501, 506. 



Chlorine, 181. 



Chlorophyll, decomposition of, 218 ; 

 distribution, 200 ; properties, 

 202; relation to light, 217; ex- 

 traction of, 218. 



Chlorophyllous plants, 197. 



Chloroplasts, 21, 217. 



Chromoplasts, 21. 



Chromosomes, 487. 



Church, A. H., 379. 



Clapp, G. L., 114. 



Clark, J. F., 461. 



Claudel, 147. 



Clements, E. S., 114; F. E., 12, 

 135, 433. 



Conduction, 272. 



Conservation, 1. 



Copeland, E. B., 114. 



Correns, C., 379, 492. 



Coulter, J. M., 12, 379. 



Cowles, H. C., 12. 



Crochetelle, 147. 



Crocker, W., 461, 398. 



Crone's solution, 145. 



Crop, ecology, 7; growth, 118; 

 improvement, 475 ; water re- 

 quirements, 116; zones, 8. 



Cross, C. F., 279. 



Curtis, C. C., 12. 



Cuttings, 373. 



Cytoplasm, 19. 



Czapek, F., 224, 279. 



D 



Dandeno, J. B., 63. 



Darwin, Charles, 379, 492, 506; F., 



12, 115, 506, 507. 

 Davenport, C. B., 414, 462, 490, 



492; E., 490, 492. 

 Deherain, 279. 

 Deleano, N. T., 183. 

 Deleterious agents, 436. 



Denitrification, 235, 247. 



Detmer, W., 12, 13, 115, 168, 304, 



346, 380, 398, 507. 

 Dewar flask, 291. 

 Diffusion, 65 ; role of, 76. 

 Digestion, 250, 265. 

 Dixon, H. H., 115. 

 Dominant, 481. 

 Dox, A. W., 279. 

 Drinkard, A. W., 492. 

 Ducts, 28. 



Duggar, B. M., 193, 435, 462. 

 Duvel, J. W. T., 398. 



E 



East, E. M., 492. 



Eckerson, S. H., 83, 115. 



Ecology, 4 ; crop, 7. 



Effront, J., 279. 



Electrotropism, 497. 



Endodermis, 50. 



Environment, 5. 



Enzymes, 267 ; carbohydrate, 269 ; 



protein, 271. 

 Ernst, A., 168. 

 Escombe, F., 89, 224. 

 Etherization, 335, 344. 

 Evaporation, 99 ; excessive, 97. 

 Evaporimeter, 99. 

 Ewart, A. J., 34, 115, 503. 

 Ewert, R., 379. 



Factors, environmental, 5. 

 Fats and oils, 259, 276. 

 Fermentation, 296 ; acetic, 299 ; 



alcoholic, 297, 302 ; lactic, 297. 

 Fertility, 152, 162. 

 Fertilization, 354 ; cross and self, 



358. 



Fest, F., 168. 



Fibrovascular bundles, 106. 

 Fippin, E. O., 63, 135, 151, 168. 

 Fischer, A., 34; E., 279. 

 Fitting, H., 507. 



