Neue Literatur. r r c 



Kidd, F., and West, C, The Controlling influence of carbon dioxide. IV. (Ann. 



of Bot 7977. 31, 457—487.) 

 Mac Dougal, D. T., and Spoehr, H. A., Growth and imbibition. (Proc. amer. 



philos. See. 1917. 56, 289 — 352.) 

 Knight, R. C, Relative transpiration as a measure of the intrinsic transpiring power 



of the plant. (Ann. of Bot. igiy. 31, 351 — ^359-) 

 Xjehmann, E., Über die minimale Belichtungszeit, welche die Keimung der Samen 



von Lythrum Salicaria auslöst. (Ber. d. d. bot. Ges. igi8. 36, 157 — 163.) 

 IjOeb, J., The chemical basis of axial polarity in regeneration. (Science, /pj?. 



N. S. 46, 547-55 1-) 

 — , The chemical basis of regeneration and geotropism. (Ebenda. 115 — 118.) 

 Monfort, C, s. unter Ökologie. 

 Moore, W., and Willaman, J. J., Studies in greenhouse fumigation with hydro- 



cyanic acid; physiological effects on the plant. (Joum. agr. Res. Jpi^ 11, 



319—338) 



Nagai, I., On some reddish brown plant pigments. (P. N.) (Bot. Mag. Tokyo. 

 7977. 31, [259]— [271]-) 



Nakano, H., s. unter Algen. 



Potter, M. C, Note on a niethod of demonstrating the heat of respiration. (Ann. 

 of Bot. 1977. 31, 435—438.) 



Renner, O., Versuche zur Mechanik der Wasserversorgung. (Ber. d. d. bot. Ges. 

 igi8. 36, 172 — 179.) 



Shive, J. W., and Martin, W. H., The effect of surface films of Bordeaux mix- 

 ture on the foliar transpiring power in tomato plants. (Plant World. 1917' 

 20, 67—86.) 



Stiles, W., and Jörgensen, I., Studies in permeability. V. (Ann. of Bot. 1917. 

 31, 415—434.) 



Tamm, O., s. unter Angewandte Botanik. 



Tottingham, W. E., On the relation of chlorine to plant growth. (Johns Hopkins 

 Univ. Circ. 1917. 293, 217 — 221.) 



Trelease, S. P., A study of salt proportions in a nutrient Solution containing Chlo- 

 ride as related to the growth of young wheat plants. (Ebenda. 222 — 225.) 



— , The relation of the concentration of the nutrient Solution to the growth of 

 young wheat plants in w^ater-cultures. (Ebenda. 225 — 227.) 



— , and Free, E. E., The effect of renewal of culture-solutions on the growth of 

 young wheat plants in water- cultures. (Ebenda. 227 — 228.) 



Trier, F., Zur Kenntnis der Pektinstoffe. (Schweiz. Apoth.-Ztg. 7977. 55, 

 369—374.) 



Ursprung, A„ Energiekurven des vom Farbstoff grüner Blätter absorbierten Lichtes. 

 (Ber. d. d. bot. Ges. igi8. 36, 1 11 — 121.) 



— , Über das Vorhandensein einer photochemischen Extinktion beim Assimilations- 

 prozeß. (Ebenda. 122 — 135.) 



Vansteenberge, P., L'autolyse de la levure et l'influence de ses produits de Pro- 

 teolyse sur le developpement de la levure et des microbes lactiques. (Ann. 

 Inst. Pasteur. 7977. 31, 601 — 630.) 



Wibeck, E., s. unter Angewandte Botanik. 



Fortpflanzung und Vererbung. 



Baur, E., Über eine eigentümliche mit absoluter Koppelung zusammenhängende 



Dominanzstörung. (Ber. d. d. bot. Ges. 1918. 36, 107 — iii.) 

 Castle, W. E., The role of selection in evolution. (Journ. Washington Ac. Sc. 



1917. 7, 369—387-) 

 Davis, B. M., A criticism of the evidence for the mutation theory of de Vries from 



the behavior of species of Oenothera in crosses and in selfed lines. (Proc. 



nation. Ac. Sc. U. S. A. 1917. 3, 704—710.) 



