62 Botanisches Centralblatt. 



XIX. Pflanzenchemie. 



Bertrand, G. 1907. La vicianine, nouveau glucoside cyanhydrique 



contenu dans les graines de vesce. (Bull. Soc. chim. France 4. I. 



p. 151-154.) 

 Bitting, K. G. 1905. Cytase in wheat grains. (Proc. Indiana Ac. 



Sc. 1905. p. 149—153. 3 pl.) 

 Bitting, K. G. 1905. Oxydase in wheat grains. (Proc. Indiana Ac. 



Sc. 1905. p. 143-149.) 

 Bougault, J. et L. Bourdier. 1908. Sur les cires des Conifferes. 



Nouveau groupe de principes immediats naturels. (C. R. Ac. Sc. 



Paris. CXLVII. p. 1311.) 

 Bourquelot, E. et M. Bridel. 1908. Analyse d'un tubercule de 



Dioscorea Macabiha Jum. et Perr., provenant de Madagascar. 



(Journ. Pharm, et Chim. 6. XXVIII. 11. p. 494—500. 2 fig.) 

 Jean, F. et C. Frabot. 1907. Action de methanal sur les tannins. 



(Bull. Soc. chim. France. 4. I. p. 745 — 748.) 

 Roger, L. et E. Vulquin. 1908. Contribution ä l'etude des matieres 



humiques de l'ouate de tourbe. (C. R. Ac. Sc. Paris CXLVII. p. 1404.) 

 Voudrasek, J. 1908. Die quantitativen Beziehungen der Thalleio- 



chin-Reaktionen. (Pharm. Post. XLI. 57. p. 605—607. 58. p. 613— 



614. 59. p. 621—623.) 



XX. Angewandte Botanik (technische, pharmaceutische, landwirt- 

 schaftliche, gärtnerische) und Forstbotanik. 



Annett, H. E. and E. J. Russell. 1908. The composition of green 



maize and of the silage produced therefrom. (Journ. agric. Sc. 



II. 4. p. 382—391.) 

 Anonymus. 1908. The forest region ofmount Kenia. (Nature. LXXIX. 



2039. p. 108-109.) 

 Aubert, L. 1908. Some fibre plants of Upper Burma. (Agric. Journ. 



India. III. 4. p. 333—337. 2 pl.) 

 Bald, C. 1908. Indian Tea, its Culture etc. 2. edit. (Calcutta 1908. 



80. with ill.) 

 Baterden, J. R. 1908. Timber. (London 1908. 8». X, 354 pp. 64 ill.) 

 Behrens, H. 1908. Anleitung zur mikrochemischen Analyse der 



wichtigsten organischen Verbindungen. 2. Heft. Die wichtigsten 



Faserstoffe. 2. Aufl. (Hamburg, L. Voss. 1908. 80. VIII, 118 pp. 



20 Fig. 3 Taf.) 

 Brownlee, G. 1908. Note on the absorption of atmosphericmoisture 



by certain nitrogenous manures. (Journ. agric. Sc. II. 4. p. 380 — 



381. 1 fig.) 

 Bunyard, G. 1908. Handbook of hardy Trees and Shrubs. Populär 



guide to the most useful park-trees etc. (London 1908. 8°. 160 pp. ill.) 

 Burtt-Davy, J. 1908. Additions and corrections to the list of native 



trees. (Transvaal Dept. Agric. Annual Rept. 1906—1907. p. 148—154.) 

 Burtt-Davy, J. 1908. New Weed Pests. (Transvaal agric. Journ. 



VII. 25. p. 70.) 

 Burit-Davy, J. 1908. Para grass (Panicum muticum). (Transvaal 



agric. Journ. VII. 25. p. 70.) 

 Burtt-Davy, J. 1908. Some ostrich food plants. (Transvaal agric. 



Journ. VII. 25. p. 49-60. pl. 6.) 

 Gastet, G. 1908. La culture des primeurs. [reproduction]. (Rev. 



hortic. Algerie. XII. 12. p. 297—330. ill.) 

 Clouston, D. 1908. The transplanting of rice in Chattisgarh. (Agric. 



Journ. India. III. 4. p. 338—356. 4 pl) 

 Combes, R. 1907. Sur un procede de preparation et de purification. 



