36 Botanisches Centralblatt. 



siological characters: the development of the primordial leaves in 

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Harris, F. S. and J. C. Hogenson. 1916. Some correlations in sugar 

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Heuser, W. 1915. Die Bedeutung der Zellgrösse für die Pflanzen- 

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Ihmels, C. 1916. Die Entstehung der organischen Natur nach 

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Jacobson, H. 0. 1916. Correlative characters of the Rice plant. (Trop. 

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Lingelsheim, A. 1916. Die Fluoreszenz wässeriger Rindenauszüge von 



• Eschen in ihrer Beziehung zur Verwandtschaft der Arten. (Ber. 

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Mayer, A. 1916. Abnormitäten, Varietäten und Bastarde unserer 

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Sapehin, A. e. a. 1916. Analyse hybridologique des caracteres corre- 

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Schulz, A. 1916. Der Emmer des alten Aegyptens. (Ber. deutsch. 

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Tupper, W. W. and H. H. Bartlett. 1916. A comparison of the wood 

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VI. Physiologie. 



Cf. V. Anonymus. 



Andromescu, D. 1915. The physiology of the pollen of Zea mays 



with special regard to vitality. (Öoct. Thes. Univ. Illinois. 1915. 



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 Bakke, A. L. and B. E. Livingston. 1916. Further studies on foliar 



transpiring power in plants. (Physiol. Researches. II. p. 51 — 52 ) 

 Böse, J. C. 1916. Physiological investigations with Petiole-Pulvinus 



preparations of Mimosa pudica. (Proc. roy. Soc. London. B. LXXXIX. 



p. 213—231.) 

 Bowman, H. H. M. 1916. Physiological studies on Rhizophora. (Proc. 



nation. Ac. Sc. U. S. A. II. p. 685-688.) 

 Breazeale, J. F. 1916. Effect of sodium salts in water cultures on the 



absorption of plant food by wheat seedlings. (Journ. agr. Res. VII. 



p. 407-416.) 

 Colin, H. 1916. Le Saccharose dans la betterave, formation et dispa- 



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 Dixon, H. H. and W. R. G. Atkins. 1916. Osmotic Pressures in 



Plants. VI. On the Composition of the sap in the conducting tracts 



of trees at different levels and at different seasons of the year. 



(Sc Proc. roy. Dublin Soc. XV. p. 51-62.) 

 Dufrenoy, J. 1916. Action nocive du depot de sei marin sur les 



plantes du littoral. (C. R. Soc. Biol. Paris. LXXIX. p. 914—916.) 

 Gager, C. S. 1916. Present Status of the problem of the effect of ra- 



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 Gile, P. L. and J. 0. Carrero. 1916. Assimilation of iron by rice from 



certain nutrient solutions. (Journ. agr. Res. Washington. VIL 



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