512 



Index 



Johnson, S. W., 13, 168. 

 Jones, L. R., 462. 

 Jordan, D. S., 468. 

 Jost, L., 13, 34, 63, 83, 135, 183, 

 225, 249, 279, 304, 346, 380, 507. 



K 



Kahlenberg, L., 83, 462. 



Karsten, 13. 



Kearney, T. H., 193. 



Kellerman, K., 447. 



Kellogg, 468. 



King, F. H., 101, 122, 135, 248. 



Klebs, G., 379. 



Klocker, A., 303. 



Kniep, H., 435. 



Knight, 478; L. I., 462. 



Kny, 72. 



Kohl, 507. 



Kolreuter, 478. 



Koopman, K., 345. 



Kostytschew, S., 303. 



Kreusler, U., 225. 



Leaf, areas, measurement of, 110; 



extension, 342 ; structure; 1 13 ; 



venation, 108. 

 Leaves, exfoliation of, 313 ; water 



absorption of, 58, 62. 

 Leguminous tubercles, 236. 

 Leucoplasts, 21. 

 Lewis, C. I., 379. 

 Lidforss, B., 379, 380, 507. 

 Life zones, 8. 

 Light, and blossoms, 434 ; artificial, 



420; energy, 212; injury, 418, 



434 ; intensity and quality, 215, 



418, 433; monochromatic, 422; 



perception, 416, 432 ; relations, 



415 ; requirements, 417. 

 Lipman, J. G., 248, 249. 

 Livingston, B. E., 83, 115. 

 Lloyd, F. E., 115. 



Lock, R. H., 49. 



Lodeman, E. G., 462. 



Loeb, J., 34, 194. 



Loew, O., 183, 194, 462. 



Lotsy, J. P., 492. 



Ludwig, F., 490. 



Lutz, L., 248. 



Lyon, T. L., 63, 135, 151, 168, 399. 



M 



MacDonald, W., 135. 



MacDougal, D. T., 13, 135, 249, 

 279, 435, 492, 507. 



Magnesium, role of, 175 ; toxic re- 

 lations, 185. 



Marchlewski, L., 225. 



Matthei, G. L. C., 224. 



May, D. W., 194. 



McCool, M. M., 188. 



McLaughlin, W. W., 135. 



Mendel, 480. 



Mendelian characters, tomato, 486. 



Meristem, 17, 24. 



Mesophyte, 131. 



Merriam, C. H., 414. 



Metabolism, products of, 250. 



Meyer, A., 279. ' 



Middle lamella, 22. 



Minder, F., 435. 



Mineral nutrients, 136 ; avail- 

 ability of, 160; forms of, 148; 

 injurious action, 184, 191 ; in 

 rock, 150 ; in soils, 157 ; removed 

 by crops, 153; roles of, 169; 

 translocation of, 141. 



Mobius, M., 380. 



Molisch, H., 435, 414. 



Moore, E., 346; G. T., 447. 



Mueller-Thurgau, 414. 



Mutation theory, 472. 



Mycorhiza, 244. 



N 



Nastic curvatures, 503. 

 Nathansohn, A., 83. 



