270 



Plant Tissue Culture 



laboratory, 67 et seq. 

 Laibach/210, 243 

 Lamium, 20 

 Lamprecht, 28, 234 

 Landau er; Fell and L., 256 

 La Rue, 45, 47, 233, 235; L. and 

 Avery, 45, 233; Avery and L., 

 50, 219, 245 

 lateral meristems, 48 

 lead, toxicity of, 92 

 leaf-mesophyll, cultivation of, 



27, 43 

 leaf-prirnordia, cultivation of, 



219 

 Le Farm, 210, 253 

 legume nodules, 199 

 Lehmann, 211, 254 

 lens, origin of in amphibian eye, 



15 

 Leonian and Lilly, 188, 243 

 leucine, impurities in, 100 

 leucocytes, 224, 225 

 Lewis, K. H., and McCoy, 199, 



249 

 Lewis, M. R., 22, 25, 34, 90, 96, 

 238, 240; L. and Lewis, W. H., 

 22, 34, 90, 131, 149, 238 

 Lewis, W. H., 22, 24, 74, 81, 90, 

 147, 238, 258; L. and Lewis, 

 M. R., 22, 229 

 banes, 48 

 Liebig 's meat extract, use in 



nutrients, 31, 32, 100 

 Lilly; Leonian and L., 188, 243 

 limb-buds, vertebrate, 2 

 line graphs, use of, 174 

 bnear increments, as measure of 



growth, 159 

 Locke, 90, 238 

 Locke 's solution, 90 

 Loeb, 32, 79, 229, 249, 250 

 Loo, S. W.; Loo, T. L., and L., 



34, 100, 243 

 Loo, T. L., and Loo, S. W., 34, 



100, 243 

 loss of function, 4 

 Lund, 217, 245; Rosene and L., 



217, 251 

 Lupinus alb us, 234, 242, 245 



lymph, use as nutrient fluid, 10, 

 21 



M 



MacDougal, 44, 250; M. and 

 Shreve, 44, 260 



macrophage, 30 



magnesium, 92, 96, 185 



magnesium sulfate, 103, 104, 

 105 



maize roots, 98 



malignancy, origin of, 221 



maltose, 95 



Malus, 252 



Malyschev, 33, 95, 131, 144, 158, 

 231 



Maneval; Robbins and M., 32, 

 95, 144, 157, 232, 246 



manganese, 92 



manganese sulfate, 103, 104, 105 



mannose, 95 



manometer for measuring root 

 pressure, 196, 197, 198 



Marattia, 125 



Marotto, 34, 231 



Marth; Gardner and M., 211, 

 253 



Mason and Phillis, 94, 260 



Maximow, 81, 131, 258 



Maximow embryological watch 

 glass, 81 



Mayer, 33, 237 



McClary, 97, 245; Robbins, 

 White, V. B., M., and Bartley, 

 93, 237 



McCoy; Lewis, K. H., and M., 

 199, 249 



measurement, methods, 128, 154 

 et seq. 



meat extract, Liebig 's, as nutri- 

 ent, 31, 32, 100 



media, 90 et seq. 



media room, 68 et seq. 



medullary ray parenchyma, pro- 

 liferative capacity of, 43, 48 



medullary rays, 58, 125 



megaspore-mother-cell, 2 

 melanotic epithelium, of am- 

 phibia, 30 



Melchers, 212, 254 



