4 Botanisches Centralblati. 



Waldron, L. R. 1910. Heredity in populations and in pure lines. 



:Plant World. XIII. p. 1 — 12. fig. 1-5.) 

 Walker, C. E. 1910. Hereditär}^ Characters and their Modes of 



Transmission. (London, 1910. 8-^. XII, 239 pp. 21 fig.) 

 Weiss, F. E. 1910. Colour inheritance in Anagallis arvensis L. 



',Rept. british Ass. Sheffield. 1910.) 

 Wooster, L. C. 1909. The germ-plasm hypothesis of Weismann 



untenable. (Trans. Kansas Ac. Sc. XXII. p. 338—350. fig. a — z., 



[A criticism of Weismannism, offering vitalism as a Substitute. 



Certain of the Statements might be considered open to serious 



question. — Gates.] 



VI. Physiologie. 

 Cf. II. Rosenthaler. 



Amsiel, Mej. J. van en G. van Iterson Jp. 1910. Over het tem- 



peratuur-optimum van physiologische Processen. II. (Versl. kon. 



Ak. Wet. Amsterdam. 29 Oct. 1910. p. (534) — (544.) 

 Bovie, W. T. 1910. A plant case for the control of relative humi- 



dity. (Torreya. X. p. 77—80. 1 fig.) [Description of an apparatus 



for Controlling humidit}^ as well as determining the time ofdeath 



of plants. — Moore.] 

 Coker, W. C. 1910. Vitality of pine seeds and the delayed ope- 



ning of cones. [reprint]. ('Journ. Elisha Mitchell sc. Soc. XXVI. 1. 



p. 43-47.) 

 Cpocker, W., L. I. Knight and E. Roberts. 1910. The peg of the 



Cucurbitaceae. fBot. Gaz. L. 5. p. 321—339. 6 fig.) 

 Dandeno, J. B. 1910. Plant excretion. (Rept. Michigan Ac. Sc. XII. 



p. 86—90.) 

 Dangeard, A. 1910. Les spectrogrammes en physiologie vegetale. 



;Bu11. Soc. bot. France. LVII. p. 91—93.) 

 Dangeard, A. 1910. Note sur un nouvel appareil de demonstration 



en Physiologie vegetale. (Bull. Soc. bot. France. LVII. p. 116— 121.) 

 Dangeard, A. 1910. Phototactisme, assimilation, phenomenes de 



croissance. (Bull. Soc. bot. France. LVII. p. 315—319.) 

 Demoor, J. 1909. Influence du citrate de soude sur les echanges 



cellulaires. (Bull. Soc. rov. Sc. med. et nat. Bruxelles. 1909. 4. 



p. 79-81.) 

 Gager, G. S. 1908. A simple modification of the experiments to 



show the gaseous exchange in plant respiration. (Torreya. VIII. 



p. 121 — 123.) [A partition of wire netting to divide a jar verti- 



cally, into one-half of which the plant-material is placed, leaving 



the other half for the introduction of a burning taper and lime- 



water. — Moore.] 

 Gräfe, E. und K. Linsbauer. 1910. Zur Kenntnis der Stoffwech- 



selvorgängc bei geotropischer Reizung, II. (Anz. kais. Ak. Wiss. 



Wien. 1910. 20. p. 364.) 

 Hawkins, L. A. 1910. The porous clay cup for the automatic wa- 



tering of plants. (Plant World. XIII. p. 220—227.) 

 Hertwig, O. 1910. Die Radiumstrahlung in ihrer Wirkung auf die 



Entwicklung tierischer Eier. rSitzber. Ak. Wiss. Berlin. 1910. 



p. 221-223.) 

 Linie, R. S. 1909. The significance of changes in the permeability 



of the plasma membrane of the living cell in the processes of 



Stimulation and contraction. (Proc. Soc. exp. Biol. and Med., New 



York. VI. p. 57—59.) 

 Morse, F. W. 1908. The respiration of apples and its relation to 



