84 Botanisches Cenlralblatt. 



Bannert, 0. 1916. Ueber den Geotropismus einiger Infloreszenzachsen 

 und Blütenstiele. (Beitr. allg. Bot. I. p. 1. 4 F.) 



Boekhout, F. W. J. en J. J. Ott de Vries. 1916. Over hooibroei. [Ueber 

 die Selbsterhitzung des Heues]. (Versl. landb. Onderz. Rijkslandb.- 

 Proefstat. 1916. 19. p. 61—80. Niederl. u. deutsch.) 



Bolam, G. 1915. Suspension of germination in seeds of Hyocyamus 

 niger. (Lancashire and Cheshire Nat. VIII. p. 305.) 



Bosinelli, G. 1915. Die Wirkung des freien Schwefels auf das Pflan- 

 zenwachstum. (Int. agr. techn. Rundschau. VI. p. 1025 — 1026.) 



Cook, 0. F. and C. B. Doyle. 1916. Germinating coconuts. (Journ. of 

 Heredity. VII. p. 148—157. 6 f ) 



Coppin, N. G. S. 1912. The effects of Purine derivatives and other 

 organic Compounds on growth and cell division in plants. (Biochem. 

 Journ. VI. p. 416—421.) 



Davis, W. A. 1916. Studies of the formation and translocation of car- 

 bohydrates in plants. 2. The dextrose-laevulose ratio in the Man- 

 gold. (Journ. agr. Sc. VII. p. 327-351.) 



Davis, W. A., A. J. Daish and G. C. Sawyer. 1916. Studies of the for- 

 mation and translocation of carbohydrates in plants. 1. The carbo- 

 hydrates of the Mangold leaf. (Journ. agr. Sc. VII. p. 255—326.) 



Davis, W. A. and G. C. Sawyer. 1916. Studies of the formation and 

 translocation of carbohydrates in plants. 3. The carbohydrates of 

 the leaf and leafstalks of the potato. The mechanism of the de- 

 gradation of starch in the leaf. (Journ. agr. Sc. VII. p. 352 — 384.) 



Demoussy, E. 1916, Influence de l'eau oxygenee sur la germination. 

 (C. R. Ac. Sc. Paris. CLXII. p. 435—438.) 



Devaux, H. 1916. Action rapide des Solutions salines sur les plantes 

 Vivantes: deplacement reversible d'une partie des substances ba- 

 siques contenues dans la plante. (C. R. Ac. Paris. CLXII. p. 561-563.) 



Drabble, E., H. Drabble and D. G. Scott. 1907. On the size of the cells 

 of Pleurococcus and Saccharomyces in Solutions of a neutral salt. 

 (Biochem. Journ. II. p. 221—229.) 



Drabble, E. and D. G. Scott. 1907. On the effect of acids, alkalies 

 and neutral salts on the fermentative activity and the rate of mul- 

 tiplication of Yeast Cells. (Biochem. Journ. II. p. 340—349.) 



Evans, W. H. 1913. The influence of the carbonates of the rare carths 

 (Cerium, Lanthanium and Yttrium) on growth and cell division in 

 hyacinths. (Biochem. Journ. VII. p. 349—355.) 



Goebel, K. 1916. Das Rumphius-Phänomen und die primäre Bedeu- 

 tung der Blattgelenke. (Biol. Cbl. XXXVI. p. 49-116. 28 F.) 



Haberlandt, G. 1916. Das pflanzenphysiologische Institut der Univer- 

 sität Berlin. (Beitr. allg. Bot. I. p. I— XI.) 



Headden, W. P. 1915. The occurrence and origin of nitrates in Colo- 

 rado soils, some of their effects, and what they suggest. (Proc. 

 Colorado sc. Soc. X. p 99-122.) 



Hertel, A. 1915. Ueber das Zittern der Laubblätter. (Erlangen, 1915. 

 80. 58 pp.) 



Knudson, L. 1915. Toxicity of galactose for certain of the higher 

 plants. (Ann. Missouri bot. Gard. IL p. 659—666. 1 pl.) 



Kühn, 0. 1916. Das Austreiben der Holzgewächse und seine Be- 

 einflussung durch äussere Faktoren. (Jahrb. wiss. Bot. LVII. p. 

 1—16. 5 F.) 



Lee, W. A. 1916. Suspension of germination in Hyoscyamus niger. 

 (Lancashire and Cheshire Nat. VIII. p. 379.) 



Lindner, G. 1916. Ueber die Gasbewegung in dikotylen Holzgewäch- 

 sen und die chemische Zusammensetzung der durchgesogenen 



