Neue Litteratur. 15 



Jordan, W. H, 1917. Director's report for 1917. (Bull. New York agr. 



Exp. Stat. Geneva, N. Y. 1917. 445. p. 821-844.) 

 Junge, G. 1917. Die Hirse, ihre für Deutschland in Betracht kom- 

 menden Arten, deren Anbau Verwendung und Verarbeitung. 



'Reichenbach, 1917. S^ 65 pp. 15 F.) 

 Kenaikan, A. A. St. 1918. Ladang sawahbouw, met naschrift door 



K. van der Veer. (Teysmannia. XXIX. p. 225 -237.) 

 Mae Ca'Jghey, V. 19 1 8. The olona, Hawaii's unexcelled fiberpiant. 



(Science. N. S. XLVIII. p. 236 -238.) 

 Mirasol y Jison, T. 19 ',8.- Fert lizer experiments with sugar cane. 



(Philippine juurn. Sc. XIII. See. A. p. 135-143.) 

 Orton, W. Ä. 1918 Breeding for disease resistance in plants (Amer, 



Journ. Bot. V. p. 279-283.) 

 PaJmer, T. G. 1918. Sugar Beet seed, History and Development. (New 



York. 1918. 80. ill.) 

 Plummer, J. K. 1918. Availability of potash in some common soil- 



forming minerals and elTect of lime upon potash absorption by 



different crops. (Journ. agr. Res. XIV. p. 297 315. 1 pl.) 

 ßutgers, A. A. L. 1918. Tap en tapproeven op Sumatra's Oostkust. 



[Tapping and tapping experiments on the eastcoast of Sumatra]. 



(Arch. Rubbercult. II. p. 196 201. Dutch and engl.) 

 Schwappach. 1918. Mitteilungen aus der Waldsamenprüfungsanstalt 



Eberswalde. (Zschr. ForstT- u. Jagdw. L. p. 487—490.) 

 Schwede, R. 1918. Nochmals über die Lupinenfaser. (Jahrber. Ver. 



angew. Bot. XVI p. 14-18.) 

 Schwede, R. 1917. lieber die Lupinenfaser. (Jahrber. Ver. angew. Bot. 



XV. p. 80—89.) 

 Schwede, R. 1918. Zur Kenntnis der Hopfenfaser. (Jahrber. Ver. 



angew. Bot. XVL p. 8-13) 

 Shear. C. L. a. o. ;9i8. Spoilage of cranberries after harvest. (Bull. 



U. 's. Dep. Agr. 1918. 714. 20 pp.) 

 Truog, E. 1918, Soil acidily, I. Its relation to the growth of plants. 



(Soil Sc. V. p. 169—195.) 

 Veer, K. van der 1918. Vogelkoren. (Teysmannia XXIX. p. 424—425). 



[Handelt über: Penisetum typhoideum (Penicillaria spicata).] 

 Veer, K. van der 1918. ZuidBali en zijn rijstbouw. (Teysmannia. XXIX. 



p. 3h7-388. ill.; 

 Veis'ag (1918) van het Departement van den Landbouw in Suriname 



over het jaar 1917. (Paramaribo, J. N. Oliviera. Z. j [1918]. 8". 120 pp.) 

 Weber, H. 19t8. Ueber die Wald Verhältnisse Litauens. (Allg. Forst u. 



Jajrdztg. XCIV. p. 1-17. 25 -28. 4 T.) 

 Wester, P. J. 1918 The coconut, its culture and uses. (Philippine agr. 



Rev XL p. 5—57 ill ) 

 White, 0. E. 1918. Breeding new castor beans. (Journ. Heredity. IX. 



p. 195 200. 5 f.) 

 White, 0. E. 1918. Our common garden vegetables, their history and 



their origin. (Leaflets Brooklyn bot. Gard VI. p. 1—19. 5 f.i 

 Wolf, J. 1918. Der Tabak. 2. Aufl. (Leipzig und Berlin, B. G. Teub- 



ner. 1918. 8«. 119 pp. 17 A.) 

 Young. A. J. 1918. Scientific potato Culture. (Huntington Beach, Cal. 



1918 8^ ill.) 

 Zaecharewicz, E. 1918. The culture of the true lavender. (Journ. Dep. 



Agr. Victoria. XVI. p. 489-496. 5 f.) 



XXI. Biographie, Necrolo^ie. 



A. D. C. 1918. Worthington G. Smith. (Kew Bull. 1918. p. 31— 32.; 



