Neue Litteratur. 7 



Cook, M. T. 1917. Diseases of tomatoes. (Circ. New Jersey agr. 



Exp. Stat. 1917. 71.) 

 Cook, M. T. and C. A. Schwarze. 1917. Apple scab on the twigs. 



(Phytopathology. VII. p. 221-222.) 

 Eckstein, K. 1917. Die Schädlinge im Tier- und Pflanzenreich und 



ihre Bekämpfung. 3. Aufl. (Leipzig und Berlin, B. G. Teubner. 



1917. 8°. 114 pp. 36 F. Preis M. 1,50.) 

 Elkan, K. 1917. Ueber eine Mikrosporie-Epidemie in München. 



(München 1917. 8°. 13 pp.) 

 Eriksson, J. 1917. Developpement primaire du mildiou (Phytophtora 



infestans) au cours de la Vegetation de la pomme de terre. [suite]. 



(Rev. gen. Bot. XXIX. p. 305-320, 333-349, 376—380. ill. A suivre.) 

 Groom, P. 1916. Dry Rot. (Journ. Board Agr. XXIII. p. 465-474.) 

 Hall, C. J. J. van 1917. De bruine wortelschimmel (Hymenochaete 



noxia). (Teysmannia. XXVIII. p. 289—295.) 

 Jensen, Hj. 1917. Lasioderma en tabaksmot. (Med. Proefstat. vorsten- 



landsche Tabak. 1917. 30. 29 pp.) 

 Maire, R. 1917. Maladies des vegetaux ligneux de l'Afrique du Nord. 



3. (Bull. Stat. Rech. for. N. Afrique. I. p. 183—186. 1 f.) 

 Me Murran, S. M. 1917. Walnut blight in the eastern United States. 



(Bull. U. S. Dep. Agr. 1917. 611. 7 pp. 2 pl.) 

 Meinecke, E. P. 1917. The white-pine blister rust and the chest- 



nut bark disease. (Monthly Bull. State Com. Hort. Calif. VI. p. 



268—279. ill.) 

 Melchers, L. E. 1917. Puccinia triticina Erikss. Leaf-rust of winter 



wheat causes damage in Kansas. (Phytopathology. VII. p. 224.) 

 Mercer, W. B. 1916. Smut diseases of wheat. (Journ. Board Agr. 



XXIII. p. 633-643.) 

 Muncie, J. H. 1917. A girdling of bean stems caused by Bact. pha- 



seoli. (Science. 2. XL VI. p. 88—89.) 

 Newell, W. 1917. Citrus canker. (Monthly Bull. State Com. Hort. Calif. 



VI. p. 282—286. 3 f.) 

 Nowell, W. 1917. Internal disease of cotton bolls in the West-Indies. 



(W. Indian Bull. XVI. p. 203-235.) 

 Nowell, W. 1917. The fungi of internal boll disease. (W. Indian Bull. 



XVI. p. 152-159.) 

 O'Gara, P. J. 1917. A new leaf-spot disease of Polygonum persicaria. 



(Mycologia. IX. p. 248. 1 pl.) 

 O'Gara, P. J. 1917. Notes on the distribution of the bacterial disease 



of western wheat-grass. (Phytopathology. VII. p. 225 — 226.) 

 O'Gara, P. J. 1917. The occurrence of Colletotrichum solanicolum 



O'Gara on egg plant. (Phytopathology. VII. p. 226-227. 1 f.) 

 Orton, W. A. 1917. Watermelon diseases. (Farmers' Bull. U. S. Dep. 



Agr. 1917. 821. p. 1-18. 11 f.) 

 Pierce, R. G. 1917. Early discovery of white pine blister rust in the 



United States. (Phytopathology. VII. p. 224-225.) 

 Pipal, E. J. 1916. A list of plant diseases of economic importance 



in Indiana with bibliography. (Proc. Indiana Ac. Sc. 1915 [1916]. 



p. 379—413.) 

 Vasters, J. 1916. Ascochyta sp. als Ursache einer Krankheit der 



Kohlblätter in Deutschland. (Deutsch, landw. Presse. XLIII. 



p. 308-309.) 



XIV. Bacteriologie. 

 Cf. XIII. Muncie, O'Gara. 



Bloch, M. 1917. Beitrag zur Untersuchung über die Zoogloea rami- 



